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INA159
  • INA159
  • INA159

INA159

ACTIVE

High-Speed, Precision Gain of 0.2 Level Translation Difference Amplifier

Texas Instruments INA159 Product Info

1 April 2026 4

Parameters

Number of channels

1

Vs (min) (V)

1.8

Vs (max) (V)

5.5

CMRR (min) (dB)

86

Common-mode input low (min) (V)

-12.5

Common-mode input high (max) (V)

17.5

Input offset (±) (max) (V)

0.0005

Iq (typ) (mA)

1.1

Slew rate (typ) (V/µs)

15

Voltage gain (min) (V/V)

0.2

Voltage gain (max) (V/V)

0.2

Small-signal bandwidth (typ) (Hz)

1500000

Rating

Catalog

Operating temperature range (°C)

-40 to 125

Gain error (±) (max) (%)

0.024

Package

VSSOP (DGK)-8-14.7 mm² 3 x 4.9

Features

  • GAIN OF 0.2 TO INTERFACE ±10V SIGNALS TO SINGLE-SUPPLY ADCs
  • GAIN ACCURACY: ±0.024% (max)
  • WIDE BANDWIDTH: 1.5MHz
  • HIGH SLEW RATE: 15V/µs
  • LOW OFFSET VOLTAGE: ±100µV
  • LOW OFFSET DRIFT: ±1.5µV/°C
  • SINGLE-SUPPLY OPERATION DOWN TO 1.8V
  • APPLICATIONS
    • INDUSTRIAL PROCESS CONTROLS
    • INSTRUMENTATION
    • DIFFERENTIAL TO SINGLE-ENDED CONVERSION
    • AUDIO LINE RECEIVERS

All trademarks are the property of their respective owners.

  • GAIN OF 0.2 TO INTERFACE ±10V SIGNALS TO SINGLE-SUPPLY ADCs
  • GAIN ACCURACY: ±0.024% (max)
  • WIDE BANDWIDTH: 1.5MHz
  • HIGH SLEW RATE: 15V/µs
  • LOW OFFSET VOLTAGE: ±100µV
  • LOW OFFSET DRIFT: ±1.5µV/°C
  • SINGLE-SUPPLY OPERATION DOWN TO 1.8V
  • APPLICATIONS
    • INDUSTRIAL PROCESS CONTROLS
    • INSTRUMENTATION
    • DIFFERENTIAL TO SINGLE-ENDED CONVERSION
    • AUDIO LINE RECEIVERS

All trademarks are the property of their respective owners.

Description

The INA159 is a high slew rate, G = 1/5 difference amplifier consisting of a precision op amp with a precision resistor network. The gain of 1/5 makes the INA159 useful to couple ±10V signals to single-supply analog-to-digital converters (ADCs), particularly those operating on a single +5V supply. The on-chip resistors are laser-trimmed for accurate gain and high common-mode rejection. Excellent temperature coefficient of resistance (TCR) tracking of the resistors maintains gain accuracy and common-mode rejection over temperature. The input common-mode voltage range extends beyond the positive and negative supply rails. It operates on +1.8V to +5.5V single or split supplies. The INA159 reference input uses two resistors for easy mid-supply or reference biasing.

The difference amplifier is the foundation of many commonly-used circuits. The INA159 provides this circuit function without using an expensive external precision resistor network. The INA159 is available in an MSOP-8 surface-mount package and is specified for operation over the extended industrial temperature range, -40°C to +125°C.

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