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FSA1156 * FSA1157 Low RON Low Voltage SPST Analog Switch
November 2003 Revised January 2005
FSA1156 * FSA1157 Low RON Low Voltage SPST Analog Switch
General Description
The FSA1156 and FSA1157 are high performance Single Pole/Single Throw (SPST) analog switches. The devices feature ultra low RON of 0.75 (typical) and will operate over the wide VCC range of 1.65V to 5.5V. The devices are fabricated with sub-micron CMOS technology to achieve fast switching speeds. The select input is TTL level compatible. The FSA1156 has Normally Open operation and the FSA1157 has Normally Closed operation.
Features
s Maximum 0.9 On Resistance (RON) for 4.5V supply at 25C s 0.3 maximum RON flatness for 4.5V supply s Broad VCC operating range: 1.65V to 5.5V s Fast turn-on and turn-off time s Over-voltage tolerant TTL compatible control input s Available in SC70 and MicroPak space saving surface mount packages s Available in Lead (Pb) Free MicroPak packaging
Ordering Code:
Product Order Number FSA1156P6 FSA1156P6X FSA1156P6X_NL FSA1156L6X FSA1157P6 FSA1157P6X FSA1157L6X Code Top Mark 156 156 156 EH 157 157 EJ Package Number MAA06A MAA06A MAA06A MAC06A MAA06A MAA06A MAC06A 6-Lead SC70, EIAJ SC88, 1.25mm Wide 6-Lead SC70, EIAJ SC88, 1.25mm Wide Pb-Free 6-Lead MicroPak, 1.0mm Wide 6-Lead SC70, EIAJ SC88, 1.25mm Wide 6-Lead SC70, EIAJ SC88, 1.25mm Wide Pb-Free 6-Lead MicroPak, 1.0mm Wide 250 Units on Tape and Reel 3k Units on Tape and Reel 5k Units on Tape and Reel 250 Units on Tape and Reel 3k Units on Tape and Reel 5k Units on Tape and Reel Package Description Supplied As
Pb-Free 6-Lead SC70, EIAJ SC88, 1.25mm Wide 3k Units on Tape and Reel
Pb-Free package per JEDEC J-STD-020B.
MicroPak is a trademark of Fairchild Semiconductor Corporation.
(c) 2005 Fairchild Semiconductor Corporation
DS500842
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FSA1156 * FSA1157
Analog Symbols
Pin Assignments for SC70 Package Pin Assignments for MicroPak
(Top View) FSA1156 (Normally Open)
(Top Through View) FSA1156 (Normally Open)
Pin Assignments for SC70 Package
Pin Assignment for MicroPak
(Top View) FSA1157 (Normally Closed)
(Top Through View) FSA1157 (Normally Closed)
Truth Table
Control Input (S) L H
H = HIGH Logic Level L = LOW Logic Level
Pin Descriptions
Function of FSA1156 OFF ON Function of FSA1157 ON OFF Pin Name A, B S NC Description Data Ports Control Input No Connect
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FSA1156 * FSA1157
Absolute Maximum Ratings(Note 1)
Supply Voltage (VCC) Switch Voltage (Note 2) Input Voltage (VIN) (Note 2) Input Diode Current Switch Current Peak Switch Current (Pulsed at 1mS duration,
-0.5V to +6.0V -0.5V to VCC +0.5V -0.5V to +6.0V -50 mA
200 mA
Recommended Operating Conditions (Note 3)
Supply Voltage (VCC) Control Input Voltage (Note 3) Switch Input Voltage Operating Temperature Thermal Resistance JA in Still Air SC70 package 350C/W 1.65V to 5.5V 0V to VCC 0V to VCC
-40C to 85C
<10% Duty Cycle)
Power Dissipation at 85C SC70 package Storage Temperature Range (TSTG) Maximum Junction Temperature (TJ) Lead Temperature (TL) (Soldering, 10 seconds) ESD (Human Body Model)
400 mA 180 mW
Note 1: The "Absolute Maximum Ratings" are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum rating. The "Recommended Operating Conditions" table will define the conditions for actual device operation. Note 2: The input and output negative ratings may be exceeded if the input and output diode current ratings are observed. Note 3: Control input must be held HIGH or LOW and it must not float.
-60C to +150C +150C +260C
8000V
DC Electrical Characteristics (all typical values are at 25C unless otherwise specified)
Symbol VIH VIL IIN INO(OFF), INC(OFF) IA(ON) RON Parameter Input Voltage HIGH Input Voltage LOW Control Input Leakage OFF Leakage Current ON Leakage Current Switch On Resistance (Note 4) RFLAT(ON) On Resistance Flatness (Note 5) ICC Quiescent Supply Current VCC (V) 2.7 to 3.6 4.5 to 5.5 2.7 to 3.6 4.5 to 5.5 2.7 to 3.6 4.5 to 5.5 5.5 5.5 2.7 4.5 2.7 4.5 3.6 5.5 -2.0 -4.0 1.4 0.75 0.6 0.1 0.1 0.1 0.2 0.5 0.5 0.3 1.0 1.0 2.0 4.0 2.1 0.9 -1.0 -1.0 -20.0 -40.0 Min TA = +25 C Typ Max TA = -40C to +85C Min 2.0 2.4 0.6 0.8 1.0 1.0 20.0 40.0 2.5 1.0 Max Units V V A nA nA A VIN = 0V to VCC A = 1V, 4.5V B = 4.5V, 1V A = 1V, 4.5V B = 1V, 4.5V or Floating IOUT = 100mA, B = 1.5V IOUT = 100mA, B = 3.5V IOUT = 100mA, B0 = 0V, 0.75V,1.5V IOUT = 100mA, B0 = 0V, 1V, 2V VIN = 0V or VCC, IOUT = 0V Conditions
Note 4: On Resistance is determined by the voltage drop between A and B pins at the indicated current through the switch. Note 5: Flatness is defined as the difference between the maximum and minimum value of On Resistance over the specified range of conditions.
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FSA1156 * FSA1157
AC Electrical Characteristics (all typical value are at 25C unless otherwise specified)
Symbol tON tOFF Q OIRR BW THD Parameter Turn ON Time Turn OFF Time Charge Injection OFF- Isolation -3db Bandwidth Total Harmonic Distortion VCC (V) 2.7 to 3.6 4.5 to 5.5 2.7 to 3.6 4.5 to 5.5 2.7 to 3.6 4.5 to 5.5 2.7 to 3.6 4.5 to 5.5 2.7 to 3.6 4.5 to 5.5 2.7 to 3.6 4.5 to 5.5 Min TA = +25 C Typ 30.0 15.0 25.0 22.0 10.0 20.0 -65.0 -65.0 300 300 0.001 0.001 Max 40.0 20.0 35.0 30.0 TA = -40C to +85C Min Max 45.0 25.0 45.0 40.0 Units ns ns pC dB MHz % Conditions B = 1.5V, RL = 50, CL = 35 pF B = 3.0V, RL = 50, CL = 35 pF B = 1.5V, RL = 50, CL = 35 pF B = 3.0V, RL = 50, CL = 35 pF CL = 1.0nF, VGE = 0V, RGEN = 0 f = 1MHz, RL = 50 RL = 50 RL = 600, VIN = 0.5V PP, f = 20Hz to 20kHz Figure Number Figure 1 Figure 1 Figure 2 Figure 3 Figure 4 Figure 5
Capacitance
Symbol CIN COFF CON Parameter Control Pin Input Capacitance A/B Port OFF Capacitance A/B Port ON Capacitance VCC (V) 0 4.5 4.5 Min TA = +25C Typ 3.0 20.0 65.0 Max Units pF pF pF f = 1MHz f = 1MHz f = 1MHz Conditions Figure Number Figure 6 Figure 6 Figure 6
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FSA1156 * FSA1157
Typical Operating Characteristics
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FSA1156 * FSA1157
AC Loading and Waveforms
CL Includes Fixture and Stray Capacitance
Logic Input Waveforms Inverted for Switches that have the Opposite Logic Sense
FIGURE 1. Turn ON/OFF Timing
FIGURE 2. Charge Injection
FIGURE 3. OFF Isolation
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FSA1156 * FSA1157
AC Loading and Waveforms
(Continued)
FIGURE 4. Bandwidth
FIGURE 5. Harmonic Distortion
FIGURE 6. ON/OFF Capacitance
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FSA1156 * FSA1157
Tape and Reel Specification
TAPE FORMAT for SC70 Package Designator P6X Tape Section Leader (Start End) Carrier Trailer (Hub End) TAPE DIMENSIONS inches (millimeters) Number Cavities 125 (typ) 3000 75 (typ) Cavity Status Empty Filled Empty Cover Tape Status Sealed Sealed Sealed
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FSA1156 * FSA1157
Tape and Reel Specification
TAPE FORMAT for MircoPak Package Designator L6X Tape Section Leader (Start End) Carrier Trailer (Hub End) TAPE DIMENSIONS inches (millimeters)
(Continued) Number Cavities 125 (typ) 5000 75 (typ) Cavity Status Empty Filled Empty Cover Tape Status Sealed Sealed Sealed
REEL DIMENSIONS inches (millimeters)
Tape Size 8 mm
A 7.0 (177.8)
B 0.059 (1.50)
C 0.512 (13.00)
D 0.795 (20.20)
N 2.165 (55.00)
W1 0.331 + 0.059/-0.000 (8.40 + 1.50/-0.00)
W2 0.567 (14.40)
W3 W1 + 0.078/-0.039 (W1 + 2.00/-1.00)
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FSA1156 * FSA1157
Physical Dimensions inches (millimeters) unless otherwise noted
6-Lead SC70, EIAJ SC88, 1.25mm Wide Package Number MAA06A
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FSA1156 * FSA1157 Low RON Low Voltage SPST Analog Switch
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
Pb-Free 6-Lead MicroPak, 1.0mm Wide Package Number MAC06A
Technology Description
The Fairchild Switch family derives from and embodies Fairchild's proven switch technology used for several years in its 74LVX3L384 (FST3384) bus switch product.
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. 11 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com
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