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(R)
OPA 234 OPA 2234
OPA 423 4
OPA
234
OPA23 4
OPA
2234
OPA
423
4
OPA234 OPA2234 OPA4234
For most current data sheet and other product information, visit www.burr-brown.com
Low Power, Precision SINGLE-SUPPLY OPERATIONAL AMPLIFIERS
FEATURES
q WIDE SUPPLY RANGE: Single Supply: VS = +2.7V to +36V Dual Supply: VS = 1.35V to 18V q GUARANTEED PERFORMANCE: +2.7V, +5V, and 15V q LOW QUIESCENT CURRENT: 250A/amp q LOW INPUT BIAS CURRENT: 25nA max q LOW OFFSET VOLTAGE: 100V max q HIGH CMRR, PSRR, and AOL q SINGLE, DUAL, and QUAD VERSIONS
Offset Trim -In +In V- 1 2 3 4 OPA234 8 7 6 5 NC V+ Output Offset Trim
8-Pin DIP, SO-8, MSOP-8
DESCRIPTION
The OPA234 series low cost op amps are ideal for single supply, low voltage, low power applications. The series provides lower quiescent current than older "1013"-type products and comes in current industrystandard packages and pinouts. The combination of low offset voltage, high common-mode rejection, high power supply rejection, and a wide supply range provides excellent accuracy and versatility. Single, dual, and quad versions have identical specifications for maximum design flexibility. These general purpose op amps are ideal for portable and battery powered applications. OPA234 series op amps operate from either single or dual supplies. In single supply operation, the input common-mode range extends below ground and the output can swing to within 50mV of ground. Excellent phase margin makes the OPA234 series ideal for demanding applications, including high load capacitance. Dual and quad designs feature completely independent circuitry for lowest crosstalk and freedom from interaction. Single version packages are DIP-8, SO-8 surface-mount, and a space-saving MSOP-8 surface-mount. Dual packages are DIP-8 and SO-8 surface-mount. Quad packages are DIP-14 and SO-14 surface-mount. All are specified for -40C to +85C operation.
Out A -In A +In A V- 1 2 3 4
OPA2234 8 A B 7 6 5 8-Pin DIP, SO-8 V+ Out B -In B +In B
OPA4234 Out A -In A +In A V+ +In B -In B Out B 1 2 A 3 4 5 B 6 7 14-Pin DIP SO-14 C 9 8 -In C Out C D 12 11 10 +In D V- +In C 14 13 Out D -In D
International Airport Industrial Park * Mailing Address: PO Box 11400, Tucson, AZ 85734 * Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 * Tel: (520) 746-1111 Twx: 910-952-1111 * Internet: http://www.burr-brown.com/ * Cable: BBRCORP * Telex: 066-6491 * FAX: (520) 889-1510 * Immediate Product Info: (800) 548-6132
(R)
(c) 1996 Burr-Brown Corporation
1 PDS-1318B
Printed in U.S.A., OPA234, 2234, 4234 May, 2000
SBOS055
SPECIFICATIONS: VS = +5V
At TA = 25C, VS = +5V, RL = 10k connected to VS /2 and VOUT = VS /2, unless otherwise noted. OPA234PA, UA, EA OPA2234PA, UA OPA4234PA, UA, U MAX 100 150 3 10 MIN TYP T T T T T T T T T T (V+) -1 106 107 || 5 1010 || 6 108 86 120 96 0.35 0.2 15 25 16 (V+) -1 0.25 (V+) -1 0.1 (V+) -0.65 0.05 (V+) -0.65 0.05 11 1000 +5 +2.7 IQ IO = 0 -40 -40 -55 250 +36 300 +85 +125 +125 100 150 220 80 110 T T T T T T T T T T T T T T 100 86 T 86 T T T T T T T T T T T T T T T T T T T T T T T MAX 250 350 T 20 UNITS V V V/C V/V V/mo V/V nA nA nV/Hz fA/Hz V dB || pF || pF dB dB MHz V/s s s s V V V V mA pF V V A C C C C/W C/W C/W C/W C/W OPA234P, U, E OPA2234P, U PARAMETER OFFSET VOLTAGE Input Offset Voltage OPA234E, EA vs Temperature(1) vs Power Supply vs Time Channel Separation (Dual, Quad) INPUT BIAS CURRENT Input Bias Current(2) Input Offset Current NOISE Input Voltage Noise Density Current Noise Density INPUT VOLTAGE RANGE Common-Mode Voltage Range Common-Mode Rejection INPUT IMPEDANCE Differential Common-Mode OPEN-LOOP GAIN Open-Loop Voltage Gain FREQUENCY RESPONSE Gain-Bandwidth Product Slew Rate Settling Time: 0.1% 0.01% Overload Recovery Time AOL VOS dVOS/dT PSRR CONDITION VCM = 2.5V Operating Temperature Range VS = +2.7V to +30V, VCM = 1.7V MIN TYP 40 100 0.5 3 0.2 0.3 -15 1 25 80 -0.1 91
IB IOS vn in
VCM = 2.5V VCM = 2.5V f = 1kHz
-30 5
-50 T
CMRR
VCM = -0.1V to 4V
VCM = 2.5V VO = 0.25V to 4V RL = 10k RL = 2k CL = 100pF G = 1, 3V Step, CL = 100pF G = 1, 3V Step, CL = 100pF (VIN) (Gain) = VS RL = 10k to VS /2 RL = 10k to VS /2 RL = 10k to Ground RL = 10k to Ground G = +1
GBW SR
OUTPUT Voltage Output: Positive Negative Positive Negative Short-Circuit Current ISC Capacitive Load Drive (Stable Operation)(3) POWER SUPPLY Specified Operating Voltage Operating Voltage Range Quiescent Current (per amplifier) TEMPERATURE RANGE Specified Range Operating Range Storage Thermal Resistance 8-Pin DIP SO-8 Surface-Mount MSOP-8 Surface-Mount 14-Pin DIP SO-14 Surface-Mount T Specifications same as OPA234P,U,E.
JA
NOTES: (1) Guaranteed by wafer-level test to 95% confidence level. (2) Positive conventional current flows into the input terminals. (3) See "Small-Signal Overshoot vs Load Capacitance" typical curve.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes no responsibility for the use of this information, and all use of such information shall be entirely at the user's own risk. Prices and specifications are subject to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant any BURR-BROWN product for use in life support devices and/or systems.
(R)
OPA234, 2234, 4234
2
SPECIFICATIONS: VS = +2.7V
At TA = 25C, VS = +2.7V, RL = 10k connected to VS /2 and VOUT = VS /2, unless otherwise noted. OPA234PA, UA, EA OPA2234PA, UA OPA4234PA, UA, U MAX 100 150 3 10 MIN TYP T T T T T T T T T T (V+) -1 106 107 || 5 1010 || 6 108 86 125 96 0.35 0.2 6 16 8 (V+) -1 0.25 (V+) -1 0.1 (V+) -0.6 0.05 (V+) -0.65 0.05 8 1000 +2.7 +2.7 IQ IO = 0 -40 -40 -55 250 +36 300 +85 +125 +125 100 150 220 80 110 T T T T T T T T T T T T T T 100 86 T 86 T T T T T T T T T T T T T T T T T T T T T T T MAX 250 350 T 20 UNITS V V V/C V/V V/mo V/V nA n nV/Hz fA/Hz V dB || pF || pF dB dB MHz V/s s s s V V V V mA pF V V A C C C C/W C/W C/W C/W C/W OPA234P, U, E OPA2234P, U PARAMETER OFFSET VOLTAGE Input Offset Voltage OPA234E, EA vs Temperature(1) vs Power Supply vs Time Channel Separation (Dual, Quad) INPUT BIAS CURRENT Input Bias Current(2) Input Offset Current NOISE Input Voltage Noise Density Current Noise Density INPUT VOLTAGE RANGE Common-Mode Voltage Range Common-Mode Rejection INPUT IMPEDANCE Differential Common-Mode OPEN-LOOP GAIN Open-Loop Voltage Gain FREQUENCY RESPONSE Gain-Bandwidth Product Slew Rate Settling Time: 0.1% 0.01% Overload Recovery Time AOL VOS dVOS/dT PSRR CONDITION VCM = 1.35V Operating Temperature Range VS = +2.7V to +30V, VCM = 1.7V MIN TYP 40 100 0.5 3 0.2 0.3 -15 1 25 80 -0.1 91
IB IOS vn in
VCM = 1.35V VCM = 1.35V f = 1kHz
-30 5
-50 T
CMRR
VCM = -0.1V to 1.7V
VCM = 1.35V VO = 0.25V to 1.7V RL = 10k RL = 2k CL = 100pF G = 1, 1V Step, CL = 100pF G = 1, 1V Step, CL = 100pF (VIN) (Gain) = VS RL = 10k to VS /2 RL = 10k to VS /2 RL = 10k to Ground RL = 10k to Ground G = +1
GBW SR
OUTPUT Voltage Output: Positive Negative Positive Negative Short-Circuit Current ISC Capacitive Load Drive (Stable Operation)(3) POWER SUPPLY Specified Operating Voltage Operating Voltage Range Quiescent Current (per amplifier) TEMPERATURE RANGE Specified Range Operating Range Storage Thermal Resistance 8-Pin DIP SO-8 Surface-Mount MSOP-8 Surface-Mount 14-Pin DIP SO-14 Surface-Mount T Specifications same as OPA234P,U,E.
JA
NOTES: (1) Guaranteed by wafer-level test to 95% confidence level. (2) Positive conventional current flows into the input terminals. (3) See "Small-Signal Overshoot vs Load Capacitance" typical curve.
(R)
3
OPA234, 2234, 4234
SPECIFICATIONS: VS = 15V
At TA = 25C, VS = 15V, RL = 10k connected to ground, unless otherwise noted. OPA234PA, UA, EA OPA2234PA, UA OPA4234PA, UA, U MAX 250 5 10 MIN TYP T 70 T T T T T T T T (V+) -1 106 107 || 5 1010 || 6 110 120 0.35 0.2 41 47 22 (V+) -1 (V+) -0.7 (V-) +0.5 (V-) +0.15 22 1000 15 275 T T 100 T 86 T T T T T T T T T T T T T T T 18 350 +85 +125 +125 100 150 220 80 110 T T T T T T T T T T T T T T T MAX 500 250 T 20 UNITS V V V/C V/V V/mo V/V nA nA nV/Hz fA/Hz V dB || pF || pF dB MHz V/s s s s V V mA pF V V A C C C C/W C/W C/W C/W C/W OPA234P, U, E OPA2234P, U PARAMETER OFFSET VOLTAGE Input Offset Voltage OPA4234U Model vs Temperature(1) vs Power Supply vs Time Channel Separation (Dual, Quad) INPUT BIAS CURRENT Input Bias Current(2) Input Offset Current NOISE Input Voltage Noise Density Current Noise Density INPUT VOLTAGE RANGE Common-Mode Voltage Range Common-Mode Rejection INPUT IMPEDANCE Differential Common-Mode OPEN-LOOP GAIN Open-Loop Voltage Gain FREQUENCY RESPONSE Gain-Bandwidth Product Slew Rate Settling Time: 0.1% 0.01% Overload Recovery Time AOL GBW SR VOS dVOS/dT PSRR CONDITION VCM = 0V Operating Temperature Range VS = 1.35V to 18V, VCM = 0V MIN TYP 70 0.5 3 0.2 0.3 -12 1 25 80 (V-) 91
IB IOS vn in
VCM = 0V VCM = 0V f = 1kHz
-25 5
-50 T
CMRR
VCM = -15V to 14V
VCM = 0V VO = -14.5V to 14V CL = 100pF G = 1, 10V Step, CL = 100pF G = 1, 10V Step, CL = 100pF (VIN) (Gain) = VS
OUTPUT Voltage Output: Positive Negative Short-Circuit Current ISC Capacitive Load Drive (Stable Operation)(3) POWER SUPPLY Specified Operating Voltage Operating Voltage Range Quiescent Current (per amplifier) TEMPERATURE RANGE Specified Range Operating Range Storage Thermal Resistance 8-Pin DIP SO-8 Surface-Mount MSOP-8 Surface-Mount 14-Pin DIP SO-14 Surface-Mount T Specifications same as OPA234P,U,E.
G = +1
1.35 IQ IO = 0 -40 -40 -55
JA
NOTES: (1) Guaranteed by wafer-level test to 95% confidence level. (2) Positive conventional current flows into the input terminals. (3) See "Small-Signal Overshoot vs Load Capacitance" typical curve.
(R)
OPA234, 2234, 4234
4
ELECTROSTATIC DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Burr-Brown recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. PACKAGE/ORDERING INFORMATION
PACKAGE DRAWING NUMBER 337
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, V+ to V- .................................................................... 36V Input Voltage ..................................................... (V-) -0.7V to (V+) +0.7V Output Short-Circuit(1) .............................................................. Continuous Operating Temperature .................................................. -40C to +125C Storage Temperature ..................................................... -55C to +125C Junction Temperature ...................................................................... 150C Lead Temperature (soldering, 10s) ................................................. 300C NOTE: (1) Short-circuit to ground, one amplifier per package.
PRODUCT Single OPA234EA
PACKAGE MSOP-8 Surface-Mount
SPECIFIED TEMPERATURE RANGE -40C to +85C
PACKAGE MARKING A34(2)
ORDERING NUMBER(1) OPA234EA/250 OPA234EA/2K5 OPA234E/250 OPA234E/2K5 OPA234PA OPA234P OPA234UA OPA234U
TRANSPORT MEDIA Tape and Reel Tape and Reel Tape and Reel Tape and Reel Rails Rails Rails Rails
"
OPA234E
"
MSOP-8 Surface-Mount
"
337
"
-40C to +85C
"
A34(2)
"
OPA234PA OPA234P OPA234UA OPA234U Dual OPA2234PA OPA2234P OPA2234UA OPA2234U Quad OPA4234PA OPA4234P OPA4234UA OPA4234U
"
Plastic DIP-8
"
006
"
-40C to +85C
"
OPA234PA OPA234P OPA234UA OPA234U
"
SO-8 Surface-Mount
"
182
"
-40C to +85C
"
Plastic DIP-8
"
006
"
-40C to +85C
"
SO-8 Surface-Mount
"
182
"
-40C to +85C
"
Plastic DIP-8
"
006
"
-40C to +85C
OPA2234PA OPA2234P OPA2234UA OPA2234U
OPA2234PA OPA2234P OPA2234UA OPA2234U
Rails Rails Rails Rails
"
SO-8 Surface-Mount
"
182
"
-40C to +85C
"
"
"
OPA4234PA OPA4234P OPA4234UA OPA4234U
OPA4234PA OPA4234P OPA4234UA OPA4234U
Rails Rails Rails Rails
NOTE: (1) Models with a slash (/) are available only in Tape and Reel in the quantities indicated (e.g., /2K5 indicates 2500 devices per reel). Ordering 2500 pieces of "OPA234E//2K5" will get a single 2500-piece Tape and Reel. (2) The grade will be marked on the Reel.
(R)
5
OPA234, 2234, 4234
TYPICAL PERFORMANCE CURVES
At TA = +25C and RL = 10k unless otherwise noted.
OPEN-LOOP GAIN/PHASE vs FREQUENCY 140 VS = +2.7V 120 100
Voltage Gain (dB) 120 110 100 90
POWER SUPPLY AND COMMON-MODE REJECTION vs FREQUENCY
0 CL = 100pF -30
PSR, CMR (dB)
Phase ()
+PSR
VS = +5V 15V
80 60 40 20 0 -20 0.1 1 10 100 1k 10k 100k 1M Frequency (Hz) VO = 0.25V V VO = S 2 G
-60 -90 -120 -150 -180
80 70 60 50 40 30 20 10 0 10
CMR
VS = +2.7V, +5V or 15V VS = +2.7V or +5V VS = 15V 100 1k
-PSR 10k 100k 1M
Frequency (Hz)
INPUT NOISE AND CURRENT NOISE SPECTRAL DENSITY vs FREQUENCY 1k
160
CHANNEL SEPARATION vs FREQUENCY RL = 10k
Channel Separation (dB)
Voltage Noise (nV/Hz) Current Noise (fA/Hz)
140
Current Noise 100
120 Dual and quad devices. G = 1, all channels. Quad measured channel A to D or B to C--other combinations yield improved rejection. 10 100 1k Frequency (Hz) 10k 100k
100
Voltage Noise 10 1 10 100 1k 10k 100k Frequency (Hz)
80
INPUT BIAS AND INPUT OFFSET CURRENT vs TEMPERATURE -20
INPUT BIAS CURRENT vs INPUT COMMON-MODE VOLTAGE -17 -16
Input Bias Current (nA)
Input Bias, Input Offset Current (nA)
VS = +2.7V, +5V -15 VS = 15V -10 IB
VS = +5V
-15 -14 -13 -12 -11 -10 VS = 15V VS = +2.7V
-5 IOS 0
+5 -75 -50 -25 0 25 50 75 100 125 Ambient Temperature (C)
-15
-10
-5 0 5 Common-Mode Voltage (V)
10
15
(R)
OPA234, 2234, 4234
6
TYPICAL PERFORMANCE CURVES (Cont.)
At TA = +25C and RL = 10k unless otherwise noted.
OFFSET VOLTAGE PRODUCTION DISTRIBUTION 25 Typical production distribution of packaged units. Single, dual, and quad units included. VS = +2.7V, +5V 25 30
OFFSET VOLTAGE PRODUCTION DISTRIBUTION Typical production distribution of packaged units. Single, dual, and quad units included. VS = 15V
Percent of Amplifiers (%)
Percent of Amplifiers (%)
20
20 15 10 0.7% 0.3% 5 0 0.1% 0.5% 0.2%
15
10
5
0.1%
0.3%
0.1%
0
-500
-400
-300
-200
-100
100
200
300
400
4.5 100
200
175
150
125
100
100
125
150
Offset Voltage (V) Offset Voltage (V)
175
200
OFFSET VOLTAGE DRIFT PRODUCTION DISTRIBUTION 35 VS = +2.7V 30 Typical production distribution of packaged units. Single, dual, and quad units included.
OFFSET VOLTAGE DRIFT PRODUCTION DISTRIBUTION 35 VS = +5V 30
Percent of Amplifiers (%)
Percent of Amplifiers (%)
25 20 15 10 0.3% 5 0
25 20 15 10 5 0
0.5 1.5 2.5
Typical production distribution of packaged units. Single, dual, and quad units included.
0.3% 0.5% 0.2% 0.1%
0.1%
0.2% 0.1%
0.1%
0.1%
3.5
1
2
3
4
0.5
1.5
2.5
3.5
4.5
1
2
3
4
5
Offset Voltage Drift (V/C)
Offset Voltage Drift (V/C)
OFFSET VOLTAGE DRIFT PRODUCTION DISTRIBUTION 30 25
Percent of Amplifiers (%)
AOL, CMR, PSR vs TEMPERATURE 140 130 AOL PSR CMR VS = +2.7V VS = +5V VS = 15V
VS = 15V
20 15 10 0.4% 0.3% 5 0
0.5 1.5 2.5 3.5 4.5 5.5 6.5 7.5 1 2 3 4 5 6 7 8
AOL, CMR, PSR (dB)
Typical production distribution of packaged units. Single, dual, and quad units included.
120 110 100 90 80 70 60 -75
0.2% 0.1% 0.1%
0.1% 0.1%
VCM = (V-) -0.02V to (V+) -1V -50 -25 0 25 50 75 125
Offset Voltage Drift (V/C)
Ambient Temperature (C)
5
500
75 50
25
25
50
75
0
0
(R)
7
OPA234, 2234, 4234
TYPICAL PERFORMANCE CURVES (Cont.)
At TA = +25C and RL = 10k unless otherwise noted.
SMALL-SIGNAL STEP RESPONSE G = 1, CL = 100pF, VS = +5V
SMALL-SIGNAL STEP RESPONSE G = 1, CL = 10,000pF, VS = +5V
20mV/div
20mV/div
2s/div
20s/div
LARGE-SIGNAL STEP RESPONSE G = 1, CL = 100pF, VS = +5V
SETTLING TIME vs CLOSED-LOOP GAIN 1000 CL = 100pF VS = 15V, 10V Step 100
Settling Time (s)
1V/div
10 VS = +2.7V, 1V Step 1 VS = +5V, 3V Step 10 Gain (V/V) 0.1% 0.01% 100
10s/div
1
OUTPUT VOLTAGE SWING vs OUTPUT CURRENT V+ (V+) -0.5 (V+) -1 (V+) -1.5 (V+) -2 (V+) -2.5 (V+) -3 (V-) +3 (V-) +2.5 (V-) +2 (V-) +1.5 (V-) +1 (V-) +0.5 V- 0
70
SMALL-SIGNAL OVERSHOOT vs LOAD CAPACITANCE
25C
60
Overshoot (%)
Output Voltage Swing (V)
125C 85C
-55C -40C
VO = 100mVp-p 50 40 30 20 10 G = -1, G = +2 G = +1, VS = 15V G = +1, VS = +2.7, +5V G = -2
85C 25C 125C
-40C -55C
High output current may not be available at low supply voltages due to output swing limitations.
G = 10
5
10
15
0 10pF
100pF
1nF Load Capacitance
10nF
100nF
Output Current (mA)
(R)
OPA234, 2234, 4234
8
TYPICAL PERFORMANCE CURVES (Cont.)
At TA = +25C and RL = 10k unless otherwise noted.
MAXIMUM OUTPUT VOLTAGE vs FREQUENCY 30 25
QUIESCENT CURRENT AND SHORT-CIRCUIT CURRENT vs TEMPERATURE 525 450 VS = +2.7V VS = +5V VS = +2.7V or +5V VS = 15V IQ 70 60 50 40 30 ISC 20 10 0 -75 -50 -25 0 25 50 75 100 125 Temperature (C)
Output Voltage (Vp-p)
VS = 15V 20 15 10 5 0 1k 10k Frequency (Hz) 100k VS = +5V VS = 2.7V Maximum output voltage without slew-rate induced distortion
375 300 225 150 75 0
APPLICATIONS INFORMATION
OPA234 series op amps are unity-gain stable and suitable for a wide range of general-purpose applications. Power supply pins should be bypassed with 10nF ceramic capacitors. OPERATING VOLTAGE OPA234 series op amps operate from single (+2.7V to +36V) or dual (1.35V to 18V) supplies with excellent performance. Specifications are production tested with +2.7V, +5V, and 15V supplies. Most behavior remains unchanged throughout the full operating voltage range. Parameters which vary significantly with operating voltage are shown in typical performance curves. OFFSET VOLTAGE TRIM Offset voltage of OPA234 series amplifiers is laser trimmed and usually requires no user adjustment. The OPA234 (single op amp version) provides offset voltage trim connections on pins 1 and 5. Offset voltage can be adjusted by connecting a potentiometer as shown in Figure 1. This adjustment should be used only to null the offset of the op amp, not to adjust system offset or offset produced by the signal source. Nulling offset could degrade the offset drift behavior of the op amp. While it is not possible to predict the exact change in drift, the effect is usually small.
10nF 2 3
V+ OPA234 single op amp only. Use offset adjust pins only to null offset voltage of op amp--see text. 6 OPA234 5 1 10nF 4 100k Trim Range: 4mV typ (V-) = 0V for single supply operation. V-
7
FIGURE 1. OPA234 Offset Voltage Trim Circuit.
Short-Circuit Current (mA)
(R)
9
Quiescent Current (A)
OPA234, 2234, 4234
IMPORTANT NOTICE Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment, including those pertaining to warranty, patent infringement, and limitation of liability. TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in accordance with TI's standard warranty. Testing and other quality control techniques are utilized to the extent TI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarily performed, except those mandated by government requirements. Customers are responsible for their applications using TI components. In order to minimize risks associated with the customer's applications, adequate design and operating safeguards must be provided by the customer to minimize inherent or procedural hazards. TI assumes no liability for applications assistance or customer product design. TI does not warrant or represent that any license, either express or implied, is granted under any patent right, copyright, mask work right, or other intellectual property right of TI covering or relating to any combination, machine, or process in which such semiconductor products or services might be or are used. TI's publication of information regarding any third party's products or services does not constitute TI's approval, warranty or endorsement thereof.
Copyright (c) 2000, Texas Instruments Incorporated

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