LTC1151

PRODUCTION

Dual ±15V Zero-Drift Operational Amplifier

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Overview

  • Maximum Offset Voltage Drift: 0.05µV/°C
  • High Voltage Operation: ±18V
  • No External Components Required
  • Maximum Offset Voltage: 5µV
  • Low Noise: 1.5µVP-P (0.1Hz to 10Hz)
  • Minimum Voltage Gain: 125dB
  • Minimum CMRR: 106dB
  • Minimum PSRR: 110dB
  • Low Supply Current: 0.9mA/Amplifier
  • Single Supply Operation: 4.75V to 36V
  • Input Common-Mode Range Includes Ground
  • Typical Overload Recovery Time: 20ms

The LTC1151 is a high voltage, high performance dual zero-drift operational amplifier. The two sample-and-hold capacitors per amplifier required externally by other chopper amplifiers are integrated on-chip. The LTC1151 also incorporates proprietary high voltage CMOS structures which allow operation at up to 36V total supply voltage.

The LTC1151 has a typical offset voltage of 0.5µV, drift of 0.01µV/°C, 0.1Hz to 10Hz input noise voltage of 1.5mVP-P, and a typical voltage gain of 140dB. It has a slew rate of 3V/µs and a gain-bandwidth product of 2.5MHz with a supply current of 0.9mA per amplifier. Overload recovery times from positive and negative saturation are 3ms and 20ms, respectively.

The LTC1151 is available in a standard 8-lead plastic DIP package as well as a 16-lead wide body SO. The LTC1151 is pin compatible with industry-standard dual op amps and runs from standard ±15V supplies, allowing it to plug in to most standard bipolar op amp sockets while offering significant improvement in DC performance.

Applications

  • Strain Gauge Amplifiers
  • Instrumentation Amplifiers
  • Electronic Scales
  • Medical Instrumentation
  • Thermocouple Amplifiers
  • High Resolution Data Acquisition

LTC1151
Dual ±15V Zero-Drift Operational Amplifier
±15V Dual Thermocouple Amplifier Noise Spectrum Product Package 1 Product Package 2
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Documentation

Data Sheet

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
ADA4522-2 RECOMMENDED FOR NEW DESIGNS Dual 55V, EMI Enhanced, Zero Drift, Ultralow Noise, Rail-to-Rail Output Operational Amplifiers
LTC2058 RECOMMENDED FOR NEW DESIGNS 36V, Low Noise Zero-Drift Operational Amplifier
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Tools & Simulations

LTspice


Models for the following parts are available in LTspice:

  • LTC1151
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