Details, datasheet, quote on part number: ISL43841IR
PartISL43841IR
CategoryCommunication => DSL (Digital Subscriber Line) => DSL Analog Front Ends
DescriptionLow-voltage, Single And Dual Supply, Dual 4 to 1 Multiplexer Analog Switch With Latch
CompanyIntersil Corporation
DatasheetDownload ISL43841IR datasheet
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Features, Applications

Low-Voltage, Single and Dual Supply, Dual to 1 Multiplexer Analog Switch with Latch

The Intersil ISL43841 device is a precision, bidirectional, analog switches configured as a dual 4 channel multiplexer/ demultiplexer designed to operate from a single to +12V supply or from to 6V supply. The device has 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 dual to 1 multiplexer device. Table 1 summarizes the performance of this part.

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 Ld 4x4 QFN DUAL 4:1 MUX

Features

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 Compatible

Applications

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

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"

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

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

PART NO. (BRAND) ISL43841IR (43841IR) TEMP. RANGE (oC) to 85 PACKAGE 20 Ld QFN PKG. NO. L20.4x4

NOTE: Applies to either or B switch. Logic "0" 0.8V. Logic "1" 2.4V, with V+ between 2.7V and X = Don't Care.

PIN V+ VGND LATCH COM NO NC ADD N.C. FUNCTION Positive Power Supply Input Negative Power Supply Input. Connect to GND for Single Supply Configurations. Ground Connection 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 Analog Switch Normally Closed Pin Address Input Pin No Internal Connection

V+ to V-. V+ to GND. V- to GND. to 0.3V Input Voltages LATCH, NO, 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

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 NO, COM, ADD, or LATCH 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 low effective thermal conductivity test board in free air. 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 UNITS

PARAMETER ANALOG SWITCH CHARACTERISTICS Analog Signal Range, VANALOG ON Resistance, RON

Full = 4.5V, ICOM = 2mA, VNO = 3V, (See Figure = 4.5V, ICOM = 2mA, VNO = 3V, (Note 5) 25 Full 25 Full = 4.5V, ICOM = 2mA, VNO 3V, 0V, (Note = 5.5V, VCOM = 4.5V, VNO = +4.5V, (Note 7) 25 Full 25 Full = 5.5V, VCOM = 4.5V, VNO = +4.5V, (Note 7) 25 Full = 5.5V, VCOM = VNO = 4.5V, (Note 7) 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, VLATCHH, VADDH Input Voltage Low, VLATCHL, VADDL Input Current, LATCHH, LATCHL, IADDH, IADDL DYNAMIC CHARACTERISTICS Address Transition Time, tTRANS = 4.5V, VNO = 35pF, VIN to 3, (See Figure = 5.5V, VNO = 35pF, VIN to 3V, (See Figure 3) 25 Full = 5.5V, VLATCHH, VADD or V+ Full V A


 

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