概要

The ADG608 and ADG609 are monolithic CMOS analog multiplexers comprising eight single channels and four differential channels respectively, fully specified for ±5 V, +5 V and +3 V power supplies. The ADG608 switches one of eight inputs to a common output as determined by the 3-bit binary address lines A0, A1 and A2. An EN input on both devices is used to enable or disable the device. When disabled, all channels are switched OFF. All the address and enable inputs are TTL compatible over the full specified operating temperature range, making the parts suitable for bus-controlled systems such as data acquisition systems, process controls, avionics and ATEs since the TTL compatible address inputs simplify the digital interface design and reduce the board space requirements.

The ADG608/ADG609 are designed on an enhanced LC2 MOS process that provides low power dissipation yet gives high switching speed and low on resistance. Each channel conducts equally well in both directions when ON and has an input signal range which extends to the supplies. In the OFF condition, signal levels up to the supplies are blocked. All channels exhibit break-before-make switching action preventing momentary shorting when switching channels. Inherent in the design is low charge injection for minimum transients when switching the digital inputs.

The ability to operate from single +3 V, +5 V or ±5 V bipolar supplies makes the ADG608 and ADG609 perfect for use in battery operated instruments and with the new generation of DACs and ADCs from Analog Devices. The use of 5 V supplies and reduced operating currents gives much lower power dissipation than devices operating from ±15 V supplies.

 

特徴

+3 V, +5 V, 65 V Power Supplies

VSS to VDD Analog Signal Range

Low On Resistance (30 V max)

Fast Switching Times

tON 75 ns max

tOFF 45 ns max

Low Power Dissipation (1.5 mW max)

Break-Before-Make Construction

ESD > 5000 V as per Military Standard 3015.7

TTL and CMOS Compatible Inputs

 

アプリケーション

自動試験装置

Data Acquisition Systems

Communication Systems

Avionics and Military Systems

Microprocessor Controlled Analog Systems

Medical Instrumentation

Battery Powered Instruments

Remote Powered Equipment

Compatible with 65 V DACs and ADCs such asAD7840/8, AD7870/1/2/4/5/6/8

 

製品ハイライト

Extended Signal Range

The ADG608/ADG609 are fabricated on an enhanced LC2

MOS process giving an increased signal range which extends to the supplies.

Low Power Dissipation

Low RON

Fast Switching Times

Break-Before-Make Switching

Switches are guaranteed break-before-make so that input signals are protected against momentary shorting.

Single/Dual Supply Operation

Temperature ranges are as follows: B Version: –40°C to +85°C; T Version: –55°C to +125°C. 2 Guaranteed by design, not subject to production test.Specifications subject to change without notice.

Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those listed in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.Only one absolute maximum rating may be applied at any one time.

Overvoltages at A, S, D or EN will be clamped by internal diodes. Current should be limited to the maximum ratings given.

 

TERMINOLOGY

VDD Most positive power supply potential.

VSS Most negative power supply potential in dual supplies. In single supply applications, it may

be connected to ground.

GND Ground (0 V) reference.

RON Ohmic resistance between D and S.

∆RON RON variation due to a change in the analog input voltage with a constant load current.

RON Match Difference between the RON of any two channels.