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LT1102

Linear Technology
Part Number LT1102
Manufacturer Linear Technology
Description High Speed/ Precision/ JFET Input Instrumentation Amplifier(Fixed Gain=10 or 100)
Published Mar 22, 2005
Detailed Description U U LT1102 High Speed, Precision, JFET Input Instrumentation Amplifier (Fixed Gain = 10 or 100) FEATURES ■ Slew Rate: ...
Datasheet PDF File LT1102 PDF File

LT1102
LT1102


Overview
U U LT1102 High Speed, Precision, JFET Input Instrumentation Amplifier (Fixed Gain = 10 or 100) FEATURES ■ Slew Rate: 30V/μs ■ Gain-Bandwidth Product: 35MHz ■ Settling Time (0.
01%): 3μs ■ Overdrive Recovery: 0.
4μs ■ Gain Error: 0.
05% Max ■ Gain Drift: 5ppm/°C ■ Gain Nonlinearity: 16ppm Max ■ Offset Voltage (Input + Output): 600μV Max – Drift with Temperature: 2μV/°C ■ Input Bias Current: 40pA Max ■ Input Offset Current: 40pA Max – Drift with Temperature (to 70°C): 0.
5pA/°C U APPLICATIO S ■ Fast Settling Analog Signal Processing ■ Multiplexed Input Data Acquisition Systems ■ High Source Impedance Signal Amplification from High Resistance Bridges, Capacitance Sensors, Photodetector Sensors ■ Bridge Amplifier with < 1Hz Lowpass Filtering DESCRIPTIO The LT®1102 is the first fast FET input instrumentation amplifier offered in the low cost, space saving 8-pin packages.
Fixed gains of 10 and 100 are provided with excellent gain accuracy (0.
01%) and non-linearity (3ppm).
No external gain setting resistor is required.
Slew rate, settling time, gain-bandwidth product, overdrive recovery time are all improved compared to competitive high speed instrumentation amplifiers.
Industry best speed performance is combined with impressive precision specifications: less than 10pA input bias and offset currents, 180μV offset voltage.
Unlike other FET input instrumentation amplifiers, on the LT1102 there is no output offset voltage contribution to total error, and input bias currents do not double with every 10°C rise in temperature.
Indeed, at 70°C ambient temperature the input bias current is only 40pA.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO Wideband Instrumentation Amplifier with ±150mA Output Current V+ = 15V 5 6+ LT1102 7 8 3– 4 2 1 R BIAS LT1010 OUT V – = – 15V OUTPUT = ± 10V INTO 75Ω TO 330kHz (R = 50Ω) ± 10V INTO 200Ω TO 330kHz (R = 200Ω) DRIVES 2.
2nF CAP LOAD GAIN = 10, DEGRADED 0.
01% DUE TO LT1010 LT1102 • ...


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