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Burr-Brown Corporation

ISO165 Datasheet Preview

ISO165 Datasheet

INSTRUMENTATION AMPLIFIER

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®
ISO165
ISO175
ISO165
ISO175
Precision, Isolated
INSTRUMENTATION AMPLIFIER
FEATURES
DESCRIPTION
q RATED
1500Vrms Continuous
2500Vrms for One Minute
100% TESTED FOR PARTIAL DISCHARGE
q HIGH IMR: 115dB at 50Hz
q LOW NONLINEARITY: ±0.01%
q LOW INPUT BIAS CURRENT: 10nA max
q LOW INPUT OFFSET VOLTAGE: 101mV max
q INPUTS PROTECTED TO ±40V
q BIPOLAR OPERATION: VO = ±10V
q SYNCHRONIZATION CAPABILITY
q 24-PIN PLASTIC DIP: 0.3" Wide
APPLICATIONS
ISO165 and ISO175 are precision isolated instrumen-
tation amplifiers incorporating a novel duty cycle
modulation-demodulation technique and excellent ac-
curacy. A single external resistor sets the gain. Internal
input protection can withstand up to ±40V without
damage. The signal is transmitted digitally across a
differential capacitive barrier. With digital modulation
the barrier characteristics do not affect signal integrity.
This results in excellent reliability and good high
frequency transient immunity across the barrier. Both
the amplifier and barrier capacitors are housed in a
plastic DIP. ISO165 and ISO175 differ in frequency
response and linearity.
These amplifiers are easy to use. A power supply
range of ±4.5V to ±18V makes these amplifiers ideal
for a wide range of applications.
q INDUSTRIAL PROCESS CONTROL
Transducer Isolator, Thermocouple
Isolator, RTD Isolator, Pressure Bridge
Isolator, Flow Meter Isolator
q POWER MONITORING
q MEDICAL INSTRUMENTATION
q ANALYTICAL MEASUREMENTS
q BIOMEDICAL MEASUREMENTS
q DATA ACQUISITION
1
22
q TEST EQUIPMENT
q POWER MONITORING
q GROUND LOOP ELIMINATION
2
24
5
Shield 1
VIN–
FBP
FBN
VIN+
21
Ext Osc
4
+VS1
15
+VS2
Shield 2 14
VOUT
11
Com2 10
Com1
23
GND1
20
–VS1
3
–VS2
13
GND2
12
InternationalAirportIndustrialPark • MailingAddress:POBox11400 • Tucson,AZ85734 • StreetAddress:6730S.TucsonBlvd. • Tucson,AZ 85706
Tel:(520)746-1111 • Twx:910-952-1111 • Cable:BBRCORP • Telex:066-6491 • FAX:(520)889-1510 • ImmediateProductInfo:(800)548-6132
©1996 Burr-Brown Corporation
PDS-1293
Printed in U.S.A. May, 1996




Burr-Brown Corporation

ISO165 Datasheet Preview

ISO165 Datasheet

INSTRUMENTATION AMPLIFIER

No Preview Available !

SPECIFICATIONS
At TA = +25°C, VS1 = VS2 = ±15V, and RL = 2kunless otherwise noted.
PARAMETER
ISOLATION(1)
Voltage Rated Continuous:
AC
DC
100% Test (AC, 50Hz)
Isolation-Mode Rejection
AC 50Hz
DC
Barrier Impedance
Leakage Current
GAIN
CONDITIONS
MIN
TMIN to TMAX
TMIN to TMAX
1s; Partial Discharge 5pC
1500Vrms
VISO = 240Vrms, 50Hz
1500
2121
2500
Gain Error
Gain vs Temperature
Nonlinearity
INPUT OFFSET VOLTAGE
Initial Offset
G=1
G = 10
G = 100
G=1
G=1
G = 10
G = 100
G = 1, 100
vs Temperature
vs Supply
INPUT
Voltage Range
Bias Current
vs Temperature
Offset Current
vs Temperature
OUTPUT
Voltage Range
Current Drive
Capacitive Load Drive
Ripple Voltage
FREQUENCY RESPONSE
Small Signal Bandwidth
Slew Rate
POWER SUPPLIES
Rated Voltage
Voltage Range
Quiescent Current
VS1
VS2
TEMPERATURE RANGE
Operating
Storage
G=1
±10
G=1
G = 10
G = 100
VO = ±10V, G = 10
±10
±5
±4.5
–40
–40
NOTE: (1) All devices receive a 1s test. Failure criterion is 5 pulses of 5pc.
ISO165P
TYP
MAX
ISO175P
MIN
TYP
MAX
UNITS
1500
2121
2500
Vrms
VDC
Vrms
115
160
1014 || 6
0.8
1
1+

50k
RG

±0.07
±11
±0.01
±0.35
±0.95
±0.052
±0.054
115
160
1014 || 6
0.8
1
1+

50k
RG

±0.07
±11
±0.04
±0.35
±0.95
±0.102
±0.104
dB
dB
|| pF
µArms
V/V
%
%
%
ppm/°C
%
%
%
±  0.125 + 5G1
±
1 +
170
G

±2
±  0.125 + 1G01 mV
±
1 +
520
G

±2
µV/°C
mV/V
±10 V
±10 ±10 nA
±40 ±40 pA/°C
±10 ±10 nA
±40 ±40 pA/°C
±10 V
±5 mA
0.1 0.1 µF
10 10 mVp-p
6 60 kHz
6 60 kHz
6 50 kHz
0.9 0.9 V/µs
15 15
±18 ±4.5
±18
V
V
±7.4
±7.4
mA
±7.5
±7.5
mA
85 –40
125 –40
85 °C
125 °C
®
ISO165/ISO175
2


Part Number ISO165
Description INSTRUMENTATION AMPLIFIER
Maker Burr-Brown Corporation
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ISO165 Datasheet PDF






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