HomedatasheetDG409

DG409 Datasheet

Single 8-Channel/Differential 4-Channel, CMOS Analog Multiplexers
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Description

Features, Applications

The DG408 Single 8-Channel, and DG409 Differential 4-Channel monolithic CMOS analog multiplexers are drop-in replacements for the popular DG508A and DG509A series devices. They each include an array of eight analog switches, a TTL/CMOS compatible digital decode circuit for channel selection, a voltage reference for logic thresholds and an ENABLE input for device selection when several multiplexers are present. The DG408 and DG409 feature lower signal ON resistance (<100) and faster switch transition time (tTRANS < 250ns) compared to the or DG509A. Charge injection has been reduced, simplifying sample and hold applications. The improvements in the DG408 series are made possible by using a high-voltage silicon-gate process. An epitaxial layer prevents the latch-up associated with older CMOS technologies. Power supplies may be single-ended from +34V, or split from to �20V. The analog switches are bilateral, equally matched for AC or bidirectional signals. The ON resistance variation with analog signals is quite low over a �5V analog input range.

Features

ON Resistance (Max, 25oC). 100 Low Power Consumption (PD). <11mW Fast Switching Action - tTRANS. <250ns - tON/OFF(EN). <150ns Low Charge Injection Upgrade from DG508A/DG509A TTL, CMOS Compatible Single or Split Supply Operation

Applications

Data Acquisition Systems Audio Switching Systems Automatic Testers Hi-Rel Systems Sample and Hold Circuits Communication Systems Analog Selector Switch

PART NUMBER DG409DJ DG409DY TEMP. RANGE (oC) to 85 PACKAGE 16 Ld PDIP 16 Ld SOIC 16 Ld PDIP 16 Ld SOIC PKG. NO. E16.3 M16.15

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 321-724-7143 | Copyright � Intersil Corporation 2000


PIN SYMBOL S5 V+ GND A2 A1 DESCRIPTION Logic Decode Input (Bit 0, LSB) Enable Input Negative Power Supply Terminal Source (Input) for Channel 1 Source (Input) for Channel 2 Source (Input) for Channel 3 Source (Input) for Channel 4 Drain (Output) Source (Input) for Channel 8 Source (Input) for Channel 7 Source (Input) for Channel 6 Source (Input) for Channel 5 Positive Power Supply Terminal (Substrate) Ground Terminal (Logic Common) Logic Decode Input (Bit 2, MSB) Logic Decode Input (Bit 1)

PIN SYMBOL S1B V+ GND A1 DESCRIPTION Logic Decode Input (Bit 0, LSB) Enable Input Negative Power Supply Terminal Source (Input) for Channel 1a Source (Input) for Channel 2a Source (Input) for Channel 3a Source (Input) for Channel 4a Drain a (Output a) Drain b (Output b) Source (Input) for Channel 4b Source (Input) for Channel 3b Source (Input) for Channel 2b Source (Input) for Channel 1b Positive Power Supply Terminal Ground Terminal (Logic Common) Logic Decode Input (Bit 1, MSB)


Features

Parameters


Manufacturer information

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