TP2191

概述

The TP2191 is a precision, ultra-low power CMOS op-amp featuring a maximum supply current of 900 nA with an ultra-low typical input bias current of 1 pA. The precision temperature compensation technique makes offset voltage temperature drift at 0.4 μV/°C, which allowing use of the TP2191 in systems with high gain without creating excessively large output offset errors.

The TP2191 is unity gain stable with a constant 18 kHz GBWP, 10 mV/μs slew rate, which make them appropriate for low frequency applications, such as battery current monitoring and sensor conditioning. The TP2191 can operate from a single-supply voltage of +1.8V to +6.0V or a dual-supply voltage of ±0.9V to ±3.0V. Beyond the rails input makes it very prominent in low voltage (< 3V) rail-to-rail input applications.

The combined features make the TP2191 an ideal choice for battery-powered applications because it minimizes errors due to power supply voltage variations over the lifetime of the battery and maintain high CMRR even for a rail-to-rail input op-amp. Mobile accessories, wireless remote sensing, backup battery sensors, and single-Li+ or 2-cell NiCd/Alkaline battery powered systems can benefit from the features of the TP2191 op-amp.

• Status

  NRND

• Rating

  Industrial

• Number of Channels

  1

• Supply Voltage (Min) (V)

  1.8

• Supply Voltage (Max) (V)

  6

• Iq per channel (typ) (μA)

  0.9

• GBW (Typ) (MHz)

  0.018

• Slew Rate (Typ) (V/μs)

  0.01

• Rail-Rail In

  Yes

• Rail-Rail Out

  Yes

• Ishort (Typ) (mA)

  20

• Vos (Max) (mV)

  0.6

• Offset Drift (Typ) (μV/°C)

  0.4

• Ib (typ) (pA)

  1

• Vn at 1 kHz (Typ) (nV/rtHz)

  170

• Peak Noise at 0.1 to 10Hz (μVpp)

  6.5

• Shutdown/Disable

  /

• Operating Temperature Range (℃)

  -40 to 125

• Features

  /

• Package

  SOT23-5