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| IA184 LOW-COST, HIGH-LINEARITY ISOLATION AMPLIFIER WITH EXTERNAL SYNC CAPABILITY Fully compatible with 10-Bit Acquisition Systems FEATURES * * * * * * * UL Component Recognized (IA184) Provision for External Synchronization High Linearity: 0.025% Peak, Typical 2500V Input/output Isolation 126dB Common-Mode Rejection 1000:1 Programmable Gain Small Size: only 1.5" x 1.5" x 0.63" CHARACTERISTICS (Typical, @ 25C, Vs = +15 VDC unless otherwise noted.) GAIN (Non-inverting) Range Formula Deviation from Formula Vs. Temperature (0 to +70C) Nonlinearity, G = 1V/V to 10V/V The Model IA184 Isolation Amplifier is an ultra-compact module offering high linearity, 2500-Volt input/output isolation, 126dB common-mode rejection, externally programmable gain, a floating internal supply for powering an external transducer, and external synchronization of the internal oscillator used in obtaining the input isolation. Its 0.1% linearity assures compatibility with 10-bit data acquisition systems, and input voltage noise is held to 1V, 10Hz to 1kHz, with 10pA maximum current noise for the same range. The internal oscillator used to provide modulation and demodulation for input isolation can be synchronized with those of associated Model IA184 amplifiers by an external trigger, to prevent imposition of beatfrequency phenomena on the output signal. An independent 15 DC, 15mA supply in the input section, with the same voltage isolation as the input, can be used to power an external transducer or preamplifier. 1 to 1000V/V Gain = (1 + 100K Rg ) 3% 0.015%/C @5V, 0.025% @10V, 0.1% @10V, 0.2% max. 10V min. 125V rms. 600V pk max. 2500V rms. 2500V pk max. 5000V pk max. 2500V pk max. 126dB 120dB 80dB 1.2A rms. max. 108 || 3pF 27K 5 x 1010 || 20pF 2nA 0.01nA/C BLOCK DIAGRAM IA184 HI IN GAIN ADJ INNER INPUT SHIELD OUTER INPUT SHIELD FULL-WAVE MODULATOR MODULATOR DRIVE DC-DC CONVERTER OUTPUT SHIELD FULL-WAVE DEMODULATOR DEMODULATOR DRIVE OSCILLATOR FILTER HI OUT LO OUT SHIELD GUARD LO IN +VsOUT -VsOUT +Vs COM SYNC CONNECTION NOTES: 1. Gain adjustment resistor (Rg) is connected between GAIN and LO-IN pins. 2. If no output-offset adjustment is required, connect LO-OUT to COMMON pin. Otherwise, consult factory. .64 (16.26) MAX. 1.52 (38.61) MAX. 1 LO IN 2 +Vs 3 -Vs +15 7 COM 8 MODEL IA184 .20 (5.08) MIN. .04 (1.02) DIA. SYNC 9 1.52 (38.61) 4 GAIN ADJ MAX. 10 5 +IN LO OUT HI OUT SHIELD 11 6 GUARD BOTTOM VIEW INPUT VOLTAGE RATINGS Linear Differential Range, G = 1V/V Max. Safe Differential Input Continuous Pulse, 10ms Duration, 1 Pulse/10 Sec Max. CMV, Inputs to Outputs AC, 60HZ, 1 Minute Duration Pulse, 10mS Duration, 1 Pulse/10sec With 510 in Series with Guard Continuos, AC or DC CMR, Inputs to Outputs, 60Hz, Rs<5K Balanced Source Impedance 5K Source Imbalance CMR, Inputs to Guard, 60Hz 1K Source Imbalance Max. Leakage Current, Inputs to Power Common @115VAC, 60Hz INPUT IMPEDANCE Differential Overload Common Mode INPUT BIAS CURRENT Initial, @ +25C Vs. Temperature (0 to + 70C) INPUT NOISE Voltage 0.05Hz to 10Hz 10Hz to 1kHz Current 0.05Hz to 10Hz 10Hz to 1KHz FREQUENCY RESPONSE Small Signal, -3dB G = 1V/V to 10V/V Full Power, 10V p-p Output Gain = 1V/V Gain = 10V/V Recovery Time to 100V after application of 600V pk differential input ulse OFFSET VOLTAGE, REFERRED TO INPUT Initial, @ +25C Vs. Temperature (0 to + 70C) Gain = 1 V/V (V/C max.) Gain = 100V/V (V/C max.) At other Gains (V/C max.) Vs. Supply Voltage RATED OUTPUT Voltage, 50K Load Output Impedance Max. CMV, Output Common to Power Common, Peak AC or DC Continuous ISOLATED POWER OUTPUTS Voltage, 5mA Load Accuracy Current Regulation, No Load to Full Load Ripple, 100kHz Bandwidth POWER SUPPLY, SINGLE POLARITY Voltage, Rated Performance Voltage, Operating Current, Quiescent Current, Full Load External Sync. Frequency TEMPERATURE RANGE Rated Performance Storage CASE DIMENSIONS MATING SOCKET NOMINAL WEIGHT 3V p-p 1V rms. 5pA p-p 10pA rms. 1kHz 500HZ 500Hz 50mS (1 + 5/G)mV 65 15 (15 + 50/G) (1 + 50/G)V/V 10V min. 1k 50V pk. 15VDC 5% 15mA min. +0, -3% 100mV p-p +15VDC, .5V +(8 to 15.5)VDC 20mA 50mA 33 to 37 kHz, 5VDC @ 50% duty cycle 0 to +70C -55C to +85C 1.5" x 1.5" x .62" S134 1.3 ounces |
Price & Availability of 1A184
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