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19-0618; Rev 1; 9/06
Low-Voltage Reference
General Description
The MAX8069 is a 1.2V temperature-compensated voltage reference. It uses the bandgap principle to achieve excellent stability and low noise at reverse currents down to 60A. The MAX8069 also features excellent stability, freedom from oscillation. The MAX8069 is a functional alternative to Maxim's ICL8069 with an identical pinout. Temperature Coefficient Guaranteed to 25ppm/C (max) Low Bias Current: 60A (min) Low Dynamic Impedance Low Reverse Voltage Low Cost
Features
MAX8069
Applications
Analog-to-Digital Converters Digital-to-Analog Converters Threshold Detectors Voltage Regulators Portable Instruments
PART MAX8069ESA+ MAX8069CCZQ
Ordering Information
TEMP RANGE -40C to +85C 0C to +70C PINPACKAGE 8 SO TO-92 PKG CODE S8-2 C92-2
+Denotes lead-free package.
Typical Operating Circuit
+5V 6.8k
Selector Guide
PART MAX8069ESA+ MAX8069CCZQ TEMP RANGE -40C to +85C 0C to +70C PINPACKAGE 8 SO TO-92 MAX TEMPCO (ppm/C) 25 50
MAX8069 4.7F
10k VOUT
*SEE NOTE 2 (a) Simple Reference (1.2V or Less)
Pin Configurations
+5V
TOP VIEW +
N.C. 1 N.C. 2 8 N.C. N.C. ANODE N.C.
2.2k V+ 10k MAX8069 1k
ICL7107
MAX8069
7 6 5
CATHODE
3
REF HI COMMON REF LO
N.C. 4
SO
(b) Double-Regulated 100mV Reference for ICL7107 One-Chip DPM Circuit
Pin Configurations continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com.
Low-Voltage Reference MAX8069
ABSOLUTE MAXIMUM RATINGS
Reverse Voltage ..............................................................(Note 1) Forward Current ..................................................................10mA Reverse Current ..................................................................10mA Power Dissipation.......Limited by Max Forward/Reverse Current Storage Temperature Range .............................-65C to +150C Operating Temperature Range MAX8069CCZQ ...................................................0C to +70C MAX8069ESA ...................................................-40C to +85C Lead Temperature (soldering, 10s) .................................+300C
Note 1: In normal use, the reverse voltage cannot exceed the reference voltage. However, when plugging units into a powered-up test fixture, an instantaneous voltage equal to the compliance of the test circuit will be seen. This should not exceed 20V.
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(TA = +25C, unless otherwise noted.) (Note 2)
PARAMETER Output Voltage Output Voltage Temperature Coefficient Output Voltage Change Reverse Dynamic Impedance Forward Voltage Drop RMS Noise Voltage Reverse Current Range IR = 500A IR = 500A, TA = TMIN to TMAX 60A IR 5mA IR = 60A IR = 500A IR = 500A 10Hz f 10kHz, IR = 500A 0.06 MAX8069ESA MAX8069CCZQ 15 1 0.6 0.6 20 5.0 CONDITIONS MIN 1.20 TYP 1.22 MAX 1.25 25 50 20 2 2 1 UNITS V ppm/C mV V V mA
Note 2: If circuit strays in excess of 200pF are anticipated, a 4.7F shunt capacitor will ensure stability under all operating conditions.
2
_______________________________________________________________________________________
Low-Voltage Reference MAX8069
Typical Operating Characteristics
(TA = +25C, unless otherwise noted.)
REVERSE VOLTAGE vs. REVERSE CURRENT
MAX8069 toc01
REVERSE VOLTAGE vs. REVERSE CURRENT
MAX8069 toc02
REVERSE VOLTAGE vs. TEMPERATURE
MAX8069 toc03
1.224 1.223 REVERSE VOLTAGE (V) 1.222 TA = +25C 1.221 1.220 TA = +85C 1.219 1.218 10 100 1000 TA = -40C
1.4 1.3 REVERSE VOLTAGE (V) 1.2 1.1 1.0 TA = +85C 0.9 0.8 TA = +25C TA = -40C
1.224 1.223 REVERSE VOLTAGE (V) 1.222 1.221 1.220 1.219 1.218
10,000
10
100
1000
10,000
-40
-15
10
35
60
85
REVERSE CURRENT (A)
REVERSE CURRENT (A)
TEMPERATURE (C)
Pin Configurations (continued)
BOTTOM VIEW
ANODE
2
CATHODE
1 TO-92 PLASTIC
_______________________________________________________________________________________
3
Low-Voltage Reference MAX8069
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.)
SOICN .EPS
INCHES DIM A A1 B C e E H L MAX MIN 0.069 0.053 0.010 0.004 0.014 0.019 0.007 0.010 0.050 BSC 0.150 0.157 0.228 0.244 0.016 0.050
MILLIMETERS MAX MIN 1.35 1.75 0.10 0.25 0.35 0.49 0.19 0.25 1.27 BSC 3.80 4.00 5.80 6.20 0.40 1.27
N
E
H
VARIATIONS:
1
INCHES
MILLIMETERS MIN 4.80 8.55 9.80 MAX 5.00 8.75 10.00 N MS012 8 AA 14 AB 16 AC
TOP VIEW
DIM D D D
MIN 0.189 0.337 0.386
MAX 0.197 0.344 0.394
D A e B A1 L C
0-8
FRONT VIEW
SIDE VIEW
PROPRIETARY INFORMATION TITLE:
PACKAGE OUTLINE, .150" SOIC
APPROVAL DOCUMENT CONTROL NO. REV.
21-0041
B
1 1
Revision History
Pages changed at Rev 1: 1, 2, 4.
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
4 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 (c) 2006 Maxim Integrated Products is a registered trademark of Maxim Integrated Products, Inc.

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