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ISO213
International Airport Industrial Park Mailing Address: PO Box 11400 Tucson, AZ 85734 Street Address: 6730 S. Tucson Blvd. Tucson, AZ 85706
Tel: (520) 746-1111 Twx: 910-952-1111 Cable: BBRCORP Telex: 066-6491 FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132
PPDS-1281A
Two-Port Isolated, Low Profile
ISOLATED INSTRUMENTATION AMPLIFIER
FEATURES
G
G
±
10V INPUT SIGNAL RANGE
G
INSTRUMENTATION AMPLIFIER INPUTS
G
±
40V INPUT OVER VOLTAGE
PROTECTION
G
12-BIT ACCURACY
G
LOW PROFILE (Less Than 0.5" High)
G
SMALL FOOTPRINT
G
EXTERNAL POWER CAPABILITY
(
±
14V at 3mA)
G
SYNCHRONIZATION CAPABILITY
G
SINGLE 12V TO 15V SUPPLY OPERATION
G
LOW POWER (45mW)
APPLICATIONS
G
INDUSTRIAL PROCESS CONTROL:
Transducer Channel Isolator for
Thermocouples, RTDs, Pressure
Bridges, Flow Meters
G
4mA TO 20mA LOOP ISOLATION
G
MOTOR AND SCR CONTROL
G
GROUND LOOP ELIMINATION
G
ANALYTICAL MEASUREMENTS
G
POWER PLANT MONITORING
G
DATA ACQUISITION/TEST EQUIPMENT
ISOLATION
G
MULTIPLEXED SYSTEMS WITH
CHANNEL TO CHANNEL ISOLATION
ISO213
DESCRIPTION
ISO213 signal isolation amplifier is a member of a
series of low-cost isolation products from Burr-Brown.
The low-profile ZIP plastic package allows PCB spac-
ings of 0.5" to be achieved, and the small footprint
results in efficient use of board space.
To provide isolation, the design uses high-efficiency,
miniature toroidal transformers in both the signal and
power paths. An uncommitted instrumentation ampli-
fier on the input and an isolated external bipolar supply
ensure the majority of input interfacing or conditioning
needs can be met.
Gain
Set
8
7
–V
IN
3
+V
IN
1
F
B
4
6
Com 1
2
5
38
37
ACom 2
Isolation Barrier
+V
SS
Out
Com 2
+V
V
OUT
CC
Clock Out
Clock In
DC/DC
Converter
–V
SS
Out
31
32
34
35
1995 Burr-Brown Corporation
Printed in U.S.A. April, 1995