|Category||Logic => Encoders/Multiplexers|
|Description||Low-voltage, Single And Dual Supply, 8 to 1 Multiplexer And Differential 4 to 1 Multiplexer|
|Datasheet||Download ISL43741 datasheet
Low-Voltage, Single and Dual Supply, to 1 Multiplexer and Differential to 1 Multiplexer
The Intersil ISL43681 and ISL43741 devices are precision, bidirectional, analog switches configured an 8 channel and a differential 4 channel multiplexer/demultiplexer. They are designed to operate from a single to +12V supply or from to ±6V supplies. The devices have an inhibit and inhibit bar pin to simultaneously open all signal paths. The devices also have a latch bar pin to lock in the last switch address. ON resistance of 39 with a ±5V supply and 125 with a +3.3V supply. Each switch can handle rail to rail analog signals. The off-leakage current is only at +85oC. All digital inputs have to 2.4V logic thresholds, ensuring TTL/CMOS logic compatibility when using a single or +5V supply or dual ±5V supplies. The is a single to 1 multiplexer device and the is a diff to 1 multiplexer device. Table 1 summarizes the performance of these parts.
TABLE 1. FEATURES AT A GLANCE CONFIGURATION ±5V RON ±5V tON/tOFF 12V RON 12V tON/tOFF 5V RON 5V tON/tOFF 3.3V RON 3.3V tON/tOFF Package SINGLE 8:1 MUX, DIFF 4:1 MUX Ld 4x4 QFNFeatures
Fully Specified 5V, ±5V, and 12V Supplies for 10% Tolerances ON Resistance (RON) Max, 50 ON Resistance (RON) Max, +3V. 155 RON Matching Between Channels, ±5V. <2 Low Charge Injection, ±5V. 1pC (Max) Single Supply Operation. to +12V Dual Supply Operation. to ±6V Fast Switching Action (VS +5V) - tON. 38ns - tOFF. 19ns Guaranteed Max Off-leakage. 2.5nA Guaranteed Break-Before-Make TTL, CMOS CompatibleApplications
Battery Powered, Handheld, and Portable Equipment Communications Systems - Radios - Telecom Infrastructure - ADSL, VDSL Modems Test Equipment - Medical Ultrasound - Magnetic Resonance Image - CT and PET Scanners (MRI) - ATE - Electrocardiograph Audio and Video Signal Routing Various Circuits - +3V/+5V DACs and ADCs - Sample and Hold Circuits - Operational Amplifier Gain Switching Networks - High Frequency Analog Switching - High Speed Multiplexing - Integrator Reset Circuits
Technical Brief TB363 "Guidelines for Handling and Processing Moisture Sensitive Surface Mount Devices (SMDs)" Application Note AN557 "Recommended Test Procedures for Analog Switches" Application Note AN520 "CMOS Analog Multiplexers and Switches; Specifications and Application Considerations." Application Note AN1034 "Analog Switch and Multiplexer Applications"
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2003. All Rights Reserved.NO2A 14 COMA 12 NO3A LOGIC -V 7 GND 8 N.C. LE 10 ADDA 11 ADDB N.C. +V 17
PART NO. (BRAND) ISL43741IR (43741IR) TEMP. RANGE (oC) to 85 PACKAGE 20 Ld QFN 20 Ld QFN PKG. DWG. # L20.4x4
PIN V+ VGND EN LE COM NO FUNCTION Positive Power Supply Input Negative Power Supply Input. Connect to GND for Single Supply Configurations. Ground Connection Digital Control Input. Connect to GND for Normal Operation. Connect V+ to turn all switches off. Digital Control Input. Connect to V+ for Normal Operation. Connect to GND to turn all switches off. Digital Control Input. Connect to +V for Normal Operation. Connect to GND to latch the last switch state. Analog Switch Common Pin Analog Switch Normally Open Pin Address Input Pin No Internal ConnectionNOTE: Logic "0" 0.8V. Logic "1" 2.4V, with V+ between 2.7V and X = Don't Care.
0 X ADDB ADDA SWITCH ON Last Switch Selected NONE NO3A, NO3B
NOTE: Logic "0" 0.8V. Logic "1" 2.4V, with V+ between 2.7V and X = Don't Care.
V+ to V-. V+ to GND. V- to GND. to 0.3V Input Voltages LE, EN, EN , NO, NC, ADD (Note -0.3 to ((V+) + 0.3V) Output Voltages COM (Note -0.3 to ((V+) + 0.3V) Continuous Current (Any Terminal). ±30mA Peak Current NO, NC, or COM (Pulsed 1ms, 10% Duty Cycle, Max). ±100mA ESD Rating HBM ( Per Mil-STD-883, Method 3015.7). >2.5kV
Thermal Resistance (Typical, Note 2) JA (oC/W) Ld 4x4 QFN Package. 45 Maximum Junction Temperature (Plastic Package). 150oC Maximum Storage Temperature Range. to 150oC Maximum Lead Temperature (Soldering 10s). 300oC (Lead Tips Only)
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES: 1. Signals on NC, NO, COM, ADD, EN, or LE exceeding or V- are clamped by internal diodes. Limit forward diode current to maximum current ratings. JA is measured with the component mounted on a high effective thermal conductivity test board with direct die attach. See Tech Brief TB379 for details.
Test Conditions: VSUPPLY to ±5.5V, GND = 0V, VINH = 2.4V, VINL = 0.8V (Note 3), Unless Otherwise Specified TEST CONDITIONS TEMP (oC) (NOTE 4) MIN TYP (NOTE 4) MAX UNITSPARAMETER ANALOG SWITCH CHARACTERISTICS Analog Signal Range, VANALOG ON Resistance, RON
Full = ±4.5V, ICOM = 2mA, VNO or VNC = 3V (See Figure = ±4.5V, ICOM = 2mA, VNO or VNC = 3V (Note 5) 25 Full 25 Full = ±4.5V, ICOM = 2mA, VNO or VNC ±3V, 0V (Note = ±5.5V, VCOM = ±4.5V, VNO or VNC = +4.5V (Note = ±5.5V, VCOM = ±4.5V, VNO or VNC = +4.5V (Note = ±5.5V, VCOM = VNO or VNC = ±4.5V (Note 7) 25 Full 25 Full 25 Full 25 Full
or NC OFF Leakage Current, INO(OFF) or INC(OFF) COM OFF Leakage Current, ICOM(OFF) COM ON Leakage Current, ICOM(ON)
DIGITAL INPUT CHARACTERISTICS Input Voltage High, VINH, VADDH Input Voltage Low, VINL, VADDL Input Current, IADDH, IADDL, IENH, IENL Input Current, IENH, ILEH Input Current, IENL, ILEL = ±5.5V, VINH, VADD = ±5.5V, VINH, VADD = ±5.5V, VINH, VADD or V+ Full V µA
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