
49%
FPO
ISO130
FEATURES
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HIGH ISOLATION-MODE REJECTION:
10kV/
μ
s (min)
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LARGE SIGNAL BANDWIDTH: 85kHz (typ)
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DIFFERENTIAL INPUT/DIFFERENTIAL
OUTPUT
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VOLTAGE OFFSET DRIFT vs
TEMPERATURE: 4.6
μ
V/
°
C (typ)
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OFFSET VOLTAGE 1.8mV (max)
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INPUT REFERRED NOISE: 300
μ
Vrms (typ)
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NONLINEARITY: 0.25% (max)
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SINGLE SUPPLY OPERATION
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SIGMA-DELTA A/D CONVERTER
TECHNOLOGY
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WORLDWIDE SAFETY APPROVAL:
UL1577 (File No. E162573), VDE0884
(File No. 85511), CSA22.2 (File No. 88324)
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AVAILABLE IN 8-PIN PLASTIC DIP and
8-PIN GULL-WING PLASTIC SURFACE
MOUNT
APPLICATIONS
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MOTOR AND SCR CONTROL
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MOTOR PHASE CURRENT SENSING
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INDUSTRIAL PROCESS CONTROL:
Transducer Isolator, Isolator for
Thermocouples, RTDs
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GENERAL PURPOSE ANALOG SIGNAL
ISOLATION
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POWER MONITORING
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GROUND LOOP ELIMINATION
DESCRIPTION
The ISO130 is a high isolation-mode rejection, isola-
tion amplifier suited for motor control applications. Its
versatile design provides the precision and stability
noise motor control environments. The ISO130 can
also be used for general analog signal isolation appli-
cations requiring stability and linearity under severe
noise conditions.
The signal is transmitted digitally across the isolation
barrier optically, using a high-speed AlGaAs LED.
The remainder of the ISO130 is fabricated on 1
μ
m
CMOS IC process. A sigma-delta analog-to-digital
converter, chopper stabilized amplifiers and differen-
tial input and output topologies make the isolation
amplifier suitable for a variety of applications.
The ISO130 is easy to use. No external components
are required for operation. The key specifications are
10kV/
μ
s isolation-mode rejection, 85kHz large signal
bandwidth, and 4.6
μ
V/
°
C V
drift. A single power
supply ranging from +4.5V to +5.5V makes this am-
plifier ideal for low power isolation applications.
The ISO130 is available in 8-pin plastic DIP and 8-pin
plastic gull-wing surface mount packages.
High IMR, Low Cost
ISOLATION AMPLIFIER
1994 Burr-Brown Corporation
PDS-1234B
Printed in U.S.A. June, 1995
1
2
3
4
8
7
6
5
V
S1
V
IN+
V
IN–
GND
1
V
S2
V
OUT+
V
OUT–
GND
2
IMR SHIELD
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