3 V/5 V, 4/8 Channel High
Performance Analog Multiplexers
a
ADG608/ADG609
FUNCTIO NAL BLO CK D IAGRAMS
FEATURES
+3 V, +5 V, ؎5 V Pow er Supplies
VSS to VDD Analog Signal Range
Low On Resistance (30 ⍀ m ax)
Fast Sw itching Tim es
tON 75 ns m ax
tOFF 45 ns m ax
Low Pow er Dissipation (1.5 W m ax)
Break-Before-Make Construction
ESD > 5000 V as per Military Standard 3015.7
TTL and CMOS Com patible Inputs
ADG608
ADG609
S1
S1A
S4A
DA
DB
D
S1B
S4B
S8
1 OF 4
DECODER
1 OF 8
DECODER
APPLICATIONS
Autom atic Test Equipm ent
Data Acquisition System s
A0 A1 A2 EN
A0
A1
EN
Com m unication System s
Avionics and Military System s
Microprocessor Controlled Analog System s
Medical Instrum entation
Battery Pow ered Instrum ents
Rem ote Pow ered Equipm ent
Com patible w ith ؎5 V DACs and ADCs such as
AD7840/ 8, AD7870/ 1/ 2/ 4/ 5/ 6/ 8
T he 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. T he use of 5 V sup-
plies and reduced operating currents gives much lower power
dissipation than devices operating from ±15 V supplies.
GENERAL D ESCRIP TIO N
T he ADG608 and ADG609 are monolithic CMOS analog mul-
tiplexers comprising eight single channels and four differential
channels respectively, fully specified for ±5 V, +5 V and +3 V
power supplies. T he ADG608 switches one of eight inputs to a
common output as determined by the 3-bit binary address lines
A0, A1 and A2. T he ADG609 switches one of four differential
inputs to a common differential output as determined by the
2-bit binary address lines A0 and A1. An EN input on both de-
vices is used to enable or disable the device. When disabled, all
channels are switched OFF. All the address and enable inputs
are T T L compatible over the full specified operating tempera-
ture 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.
P RO D UCT H IGH LIGH TS
1. Extended Signal Range
T he ADG608/ADG609 are fabricated on an enhanced
LC2MOS process giving an increased signal range which
extends to the supplies.
2. Low Power Dissipation
3. Low RON
4. Fast Switching T imes
5. Break-Before-Make Switching
Switches are guaranteed break-before-make so that input
signals are protected against momentary shorting.
6. Single/Dual Supply Operation
T he ADG608/ADG609 are designed on an enhanced LC2MOS
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, sig-
nal 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.
O RD ERING GUID E
Model
Tem perature Range P ackage O ption*
ADG608BN
ADG608BR
ADG608BRU
ADG608T RU
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–55°C to +125°C
N-16
R-16A
RU-16
RU-16
ADG609BN
ADG609BR
ADG609BRU
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
N-16
R-16A
RU-16
*N = Plastic DIP; RU = T hin Shrink Small Outline Package (T SSOP);
R = 0.15" Small Outline IC (SOIC).
REV. A
Inform ation furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assum ed by Analog Devices for its
use, nor for any infringem ents of patents or other rights of third parties
which m ay result from its use. No license is granted by im plication or
otherwise under any patent or patent rights of Analog Devices.
© Analog Devices, Inc., 1995
One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.
Tel: 617/ 329-4700 Fax: 617/ 326-8703
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