ISO175 반도체 회로 부품 판매점
INSTRUMENTATION AMPLIFIER
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 Burr-Brown Corporation |
® ISO175
ISO175
Precision, Isolated
INSTRUMENTATION AMPLIFIER
FEATURES
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
DESCRIPTION
ISO175 is a precision isolated instrumentation ampli-
fier incorporating a novel duty cycle modulation-
demodulation technique and excellent accuracy. 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 re-
sults in excellent reliability and good high frequency
transient immunity across the barrier. Both the ampli-
fier and barrier capacitors are housed in a plastic DIP.
ISO175 is easy to use. A power supply range of ±4.5V
to ±18V makes this amplifier ideal for a wide range of
applications.
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
5
Shield 1
1 VIN–
22 RG
q TEST EQUIPMENT
q POWER MONITORING
q GROUND LOOP ELIMINATION
2 RG
24 VIN+
Com1
23
21
Ext Osc
4
+VS1
GND1
20
–VS1
3
15
+VS2
Shield 2
14
VOUT
11
Com2
10
–VS2
13
GND2
12
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
Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
©1996 Burr-Brown Corporation
PDS-1293A
Printed in U.S.A. May, 1996
SPECIFICATIONS
At TA = +25°C, VS1 = VS2 = ±15V, and RL = 2kΩ unless 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
TMIN to TMAX
TMIN to TMAX
1s; Partial Discharge ≤ 5pC
1500Vrms
VISO = 240Vrms, 50Hz
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
G=1
G = 10
G = 100
VO = ±10V, G = 10
NOTE: (1) All devices receive a 1s test. Failure criterion is ≥ 5 pulses of ≥ 5pc.
MIN
1500
2121
2500
±10
±10
±5
±4.5
–40
–40
ISO175P
TYP
MAX
UNITS
115
160
1014 || 6
0.8
1+
50k
RG
±0.07
±11
±0.04
±
1 +
520
G
±2
1
±0.35
±0.95
±0.102
±0.104
± 0.125 + 1G01
±10
±40
±10
±40
0.1
10
60
60
50
0.9
15
±18
±7.4
±7.5
85
125
Vrms
VDC
Vrms
dB
dB
Ω || pF
µArms
V/V
%
%
%
ppm/°C
%
%
%
mV
µV/°C
mV/V
V
nA
pA/°C
nA
pA/°C
V
mA
µF
mVp-p
kHz
kHz
kHz
V/µs
V
V
mA
mA
°C
°C
®
ISO175
2
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ISO175 amplifier
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국내 전력반도체 판매점
상호 : 아이지 인터내셔날
전화번호 : 051-319-2877
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