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Datasheet: IA296 (No company)

Ultra Low Noise True Instrumentation Medical Isolation Amplifer

 

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No company
FEATURES
UL Component Recognized
Ultra Low Noise
Failure of Any Internal Component Results in <10
A Bias
Current
Excellent CMRR: 170 dB; 160 dB with 5K
Source
Imbalance
External Sync Capability
BLOCK DIAGRAM IA296
The Model IA296 Isolation Amplifier features very high input /
output isolation and very low noise. It can operate at common mode
input voltages up to 5000 VDC continuous; CMRR is 170 dB with
balanced source impedance, and 160 dB with 5K
source imbalance.
Input voltage noise is held to 0.3
V, 10Hz 1kHz rms. and current
noise to 4pA, 0.5Hz 1kHz rms. Input bias current is only 200pA, and
on the failure of any component is limited to 10
A. An independent
12VDC, 10mA supply in the input section with the same voltage
isolation as the amplifier, is used to power optional external circuitry.
CHARACTERISTICS
(Typical, @ 25
C, Vs = +15 VDC unless otherwise noted.)
GAIN (Non-inverting)
10V / V
ACCURACY
2%
Vs. Temperature
. 015%/
C
Nonlinearity
0.1%
Differential Input Impedance
3 X 10
8
|| 2.2nF
Common Mode Input Impedance
3 X 10
10
|| 10pF
INPUT VOLTAGE
0.5V min.
Max. Safe Differential Input
30V rms.
Pulse, 10ms Duration
500V peak
Max. Safe Common Mode Input (DC cont.)
5000VDC
INPUT BIAS CURRENT
200pA
Vs. Temperature (0 to + 70
C)
5pA/
C
SAFETY CURRENT LIMITS
10
A max.
INPUT NOISE (5K Unbalance)
Voltage .05Hz to 100Hz, pp
1.5
V
Voltage 10Hz to 1kHz, rms.
0.3
V
Current .05Hz to 1kHz, rms.
4pA
COMMON MODE REJECTION
Input to Output, CMV = 115 VAC, 60Hz
Balanced Source Impedance
170 dB
5K
Source Imbalance
160 dB
Input to Reference
CMV = 10V p-p, 60Hz
5K
Source Imbalance
120 dB
OUTPUT
Range (50K
Load)
5V
Output Impedance
1 K
Max. CMV, Outputs to Power Common
30 V peak
Offset Voltage Referred to Input
5mV
Vs. Temperature (0
to 70
C)
100
V /
C
Vs. Supply Voltage
20
V / %
FREQUENCY RESPONSE
Small Signal, - 3 dB
1kHz
Full Power, 6V pp
500Hz
Overload Recovery
20mS
ISOLATED POWER OUTPUTS
Voltage, 10mA Load
12VDC
Accuracy
10%
Current
10mA
NOMINAL WEIGHT
8 Ounces
POWER SUPPLY, SINGLRE POLARITY
Voltage, Rated Performance
14.5 to +16 VDC
Current, Quiescent
+ 40 mA
TEMPERATURE RANGE
Rated Performance
0
C to +70
C
Storage
-25
C to +85
C
MATING SOCKET
S132
IA296
ULTRA LOW NOISE
TRUE INSTRUMENTATION
MEDICAL ISOLATION AMPLIFER
+IN
-IN
IN REF
+Vs
Vs COM
-Vs
4 - 40 N/C
2 PLACES
SEE NOTE
NOTE:
INSERT to Vs COM 300 VRMS MAX.
HI OUT
LO OUT
COM
+15
6
5
4
3
2
1
11
10
8
7
9
SYNC
2.53 (64.2)
MAX.
BOTTOM VIEW
3.53 (89.66)
MAX.
.63 (16.0)
MAX.
.20 (5.08)
MIN.
.04 (1.02)
DIA.
MODEL IA296
For 10kHz bandwidth specify P/N IA297 when consulting factory.
Full Wave
Modulator
Current
Limiter
Guard
Drive
Ac
ti
ve Pr
ot
ect
i
on
Ci
rc
ui
tr
y
Modulator
Driver
DC-DC
Converter
Demod-
ulator
Filter
Demodulator
Driver
Oscillator
+
+
-
-
-
-
+
+
+IN
-IN
IN REF
+Vs
COMMON
-Vs
SYNC
HI OUT
LO OUT
+Vs
COMMON
Shield Guard
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