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| IA296 ULTRA LOW NOISE TRUE INSTRUMENTATION MEDICAL ISOLATION AMPLIFER FEATURES * * * * * UL Component Recognized Ultra Low Noise Failure of Any Internal Component Results in <10A Bias Current Excellent CMRR: 170 dB; 160 dB with 5K Source Imbalance External Sync Capability CHARACTERISTICS (Typical, @ 25C, Vs = +15 VDC unless otherwise noted.) GAIN (Non-inverting) ACCURACY Vs. Temperature Nonlinearity Differential Input Impedance Common Mode Input Impedance INPUT VOLTAGE Max. Safe Differential Input Pulse, 10ms Duration Max. Safe Common Mode Input (DC cont.) INPUT BIAS CURRENT Vs. Temperature (0 to + 70C) SAFETY CURRENT LIMITS INPUT NOISE (5K Unbalance) Voltage .05Hz to 100Hz, pp Voltage 10Hz to 1kHz, rms. Current .05Hz to 1kHz, rms. COMMON MODE REJECTION Input to Output, CMV = 115 VAC, 60Hz Balanced Source Impedance 5K Source Imbalance Input to Reference CMV = 10V p-p, 60Hz 5K Source Imbalance OUTPUT Range (50K Load) Output Impedance Max. CMV, Outputs to Power Common Offset Voltage Referred to Input Vs. Temperature (0 to 70C) Vs. Supply Voltage 10V / V 2% . 015%/C 0.1% 3 X 108 || 2.2nF 3 X 1010 || 10pF 0.5V min. 30V rms. 500V peak 5000VDC 200pA 5pA/C 10A max. 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 0.3V, 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 10A. An independent 12VDC, 10mA supply in the input section with the same voltage isolation as the amplifier, is used to power optional external circuitry. 1.5V 0.3V 4pA 170 dB 160 dB 120 dB BLOCK DIAGRAM IA296 5V 1 K 30 V peak 5mV 100V / C 20V / % +IN Active Protection Circuitry + - + - Full Wave Modulator Demodulator Filter HI OUT LO OUT FREQUENCY RESPONSE Small Signal, - 3 dB Full Power, 6V pp Overload Recovery ISOLATED POWER OUTPUTS Voltage, 10mA Load Accuracy Current 1kHz 500Hz 20mS -IN + Current Limiter Modulator Driver Demodulator Driver + Guard Drive 12VDC 10% 10mA 8 Ounces IN REF +Vs COMMON -Vs DC-DC Converter +Vs Oscillator NOMINAL WEIGHT POWER SUPPLY, SINGLRE POLARITY Voltage, Rated Performance Current, Quiescent TEMPERATURE RANGE Rated Performance Storage MATING SOCKET COMMON Shield Guard SYNC 14.5 to +16 VDC + 40 mA SEE NOTE HI OUT 11 +IN -IN 4 - 40 N/C IN REF 2 PLACES +Vs Vs COM -Vs LO OUT 10 COM SYNC +15 9 8 7 0C to +70C -25C to +85C S132 6 5 2.53 (64.2) MAX. 4 3 2 1 For 10kHz bandwidth specify P/N IA297 when consulting factory. .63 (16.0) MAX. 3.53 (89.66) MAX. MODEL IA296 .04 (1.02) DIA. BOTTOM VIEW NOTE: INSERT to Vs COM 300 VRMS MAX. .20 (5.08) MIN. |
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