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特性

  • Rail-to-rail output    <10mV
  • Below-ground (V-) input capability to -0.5V, ground sensing
  • Single-supply range 3V to 40V
  • Low current consumption 850µA
  • Low noise voltage 5.6nV/√Hz
  • Low noise current 355fA/√Hz
  • Low input offset voltage
    • ISL28118 150µV (max)
    • ISL28218 230µV (max)
  • Superb offset voltage temperature drift
    • ISL28118 1.2µV/°C (max)
    • ISL28218 1.4µV/°C (max)
  • Operating temperature range -40°C to +125°C
  • No phase reversal

描述

The ISL28118, ISL28218 are single and dual, low-power precision amplifiers optimized for single-supply applications. These devices feature a common mode input voltage range extending to 0. 5V below the V- rail, a rail-to-rail differential input voltage range for use as a comparator and rail-to-rail output voltage swing, which makes them ideal for single-supply applications where input operation at ground is important. These op amps feature low power, low offset voltage and low temperature drift, making them the ideal choice for applications requiring both high DC accuracy and AC performance. These amplifiers are designed to operate over a single supply range of 3V to 40V or a split supply voltage range of +1. 8V/-1. 2V to ±20V. The combination of precision and small footprint provides the user with outstanding value and flexibility relative to similar competitive parts. Applications for these amplifiers include precision instrumentation, data acquisition, precision power supply controls and industrial controls. Both parts are offered in 8 Ld SOIC and 8 Ld MSOP packages. All devices are offered in standard pin configurations and operate across the extended temperature range of -40°C to +125°C.

产品参数

属性
Channels (#)1
Temp. Range (°C)-40 to +125°C
Bandwidth (MHz)4
IBIAS (nA)-230
IS per Amp (mA)0.85
Offset Voltage (Max) (mV)0.15
Slew Rate (V/µs)1.2
Rail-to-Rail InputNo
Rail-to-Rail OutputYes
Single Supply Voltage Range (V)3 - 40
Gain Min1
IOUT (A)0.016
Noise VN (nV/√Hz)5.6
AVOL (dB)136
CMRR (dB)118
PSRR (db)124
EnableNo
Topology [Rail 1]VFA
VS (Min) (V)3
VS (Max) (V)40
Thermal ShutdownNo

封装选项

Pkg. TypePkg. Dimensions (mm)Lead Count (#)Pitch (mm)
MSOP3.0 x 3.0 x 0.008
SOICN4.9 x 3.9 x 0.0081.3

应用

  • Precision instruments
  • Medical instrumentation
  • Data acquisition
  • Power supply control
  • Industrial process control

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