Product details

Number of channels (#) 2 Total supply voltage (Max) (+5V=5, +/-5V=10) 36 Total supply voltage (Min) (+5V=5, +/-5V=10) 2.7 Rail-to-rail In to V-, Out GBW (Typ) (MHz) 1.2 Slew rate (Typ) (V/us) 0.4 Vos (offset voltage @ 25 C) (Max) (mV) 1.8 Iq per channel (Typ) (mA) 0.1 Vn at 1 kHz (Typ) (nV/rtHz) 19 Rating Catalog Operating temperature range (C) -40 to 125 Offset drift (Typ) (uV/C) 0.3 Features EMI Hardened, Small Size Input bias current (Max) (pA) 15 CMRR (Typ) (dB) 120 Output current (Typ) (mA) 17 Architecture CMOS
Number of channels (#) 2 Total supply voltage (Max) (+5V=5, +/-5V=10) 36 Total supply voltage (Min) (+5V=5, +/-5V=10) 2.7 Rail-to-rail In to V-, Out GBW (Typ) (MHz) 1.2 Slew rate (Typ) (V/us) 0.4 Vos (offset voltage @ 25 C) (Max) (mV) 1.8 Iq per channel (Typ) (mA) 0.1 Vn at 1 kHz (Typ) (nV/rtHz) 19 Rating Catalog Operating temperature range (C) -40 to 125 Offset drift (Typ) (uV/C) 0.3 Features EMI Hardened, Small Size Input bias current (Max) (pA) 15 CMRR (Typ) (dB) 120 Output current (Typ) (mA) 17 Architecture CMOS
SOIC (D) 8 19 mm² 4.9 x 3.9 VSSOP (DCU) 8 6 mm² 2 x 3.1 VSSOP (DGK) 8 15 mm² 3 x 4.9 WSON (DSG) 8 4 mm² 2 x 2
  • Supply Range: 2.7 V to 36 V, ±1.35 V to ±18 V
  • Low Noise: 19 nV/√Hz
  • RFI Filtered Inputs
  • Input Range Includes the Negative Supply
  • Input Range Operates to Positive Supply
  • Rail-to-Rail Output
  • Gain Bandwidth: 1.2 MHz
  • Low Quiescent Current: 110 µA per Amplifier
  • High Common-Mode Rejection: 120 dB
  • Low Bias Current: 15 pA (Maximum)
  • Industry-Standard Packages and micro Packages Available
  • Create a Custom Design Using the OPAx170 With the WEBENCH® Power Designer
  • Supply Range: 2.7 V to 36 V, ±1.35 V to ±18 V
  • Low Noise: 19 nV/√Hz
  • RFI Filtered Inputs
  • Input Range Includes the Negative Supply
  • Input Range Operates to Positive Supply
  • Rail-to-Rail Output
  • Gain Bandwidth: 1.2 MHz
  • Low Quiescent Current: 110 µA per Amplifier
  • High Common-Mode Rejection: 120 dB
  • Low Bias Current: 15 pA (Maximum)
  • Industry-Standard Packages and micro Packages Available
  • Create a Custom Design Using the OPAx170 With the WEBENCH® Power Designer

The OPA170, OPA2170, and OPA4170 devices (OPAx170) are a family of 36-V, single-supply, low-noise operational amplifiers (op amps) that feature micro packages with the ability to operate on supplies ranging from 2.7 V (±1.35 V) to 36 V (±18 V). They offer good offset, drift, and bandwidth with low quiescent current. The single, dual, and quad versions all have identical specifications for maximum design flexibility.

Unlike most op amps, which are specified at only one supply voltage, the OPAx170 family of op amps is specified from 2.7 V to 36 V. Input signals beyond the supply rails do not cause phase reversal. The OPAx170 family is stable with capacitive loads up to 300 pF. The input can operate 100 mV below the negative rail and within 2 V of the positive rail for normal operation. Note that these devices can operate with full rail-to-rail input 100 mV beyond the positive rail, but with reduced performance within 2 V of the positive rail. The OPAx170 op amps are specified from –40°C to +125°C.

The OPA170, OPA2170, and OPA4170 devices (OPAx170) are a family of 36-V, single-supply, low-noise operational amplifiers (op amps) that feature micro packages with the ability to operate on supplies ranging from 2.7 V (±1.35 V) to 36 V (±18 V). They offer good offset, drift, and bandwidth with low quiescent current. The single, dual, and quad versions all have identical specifications for maximum design flexibility.

Unlike most op amps, which are specified at only one supply voltage, the OPAx170 family of op amps is specified from 2.7 V to 36 V. Input signals beyond the supply rails do not cause phase reversal. The OPAx170 family is stable with capacitive loads up to 300 pF. The input can operate 100 mV below the negative rail and within 2 V of the positive rail for normal operation. Note that these devices can operate with full rail-to-rail input 100 mV beyond the positive rail, but with reduced performance within 2 V of the positive rail. The OPAx170 op amps are specified from –40°C to +125°C.

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Technical documentation

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Type Title Date
* Data sheet OPAx170 36-V, Single-Supply, SOT553, Low-Power Operational Amplifiers Value Line Series datasheet (Rev. E) 25 Apr 2018
User guide SMALL-AMP-DIP Evaluation Module (EVM) (Rev. A) 30 Jul 2021
Technical article What is an op amp? 21 Jan 2020
E-book Analog Engineer’s Pocket Reference Guide Fifth Edition (Rev. C) 30 Nov 2018
Technical article How to lay out a PCB for high-performance, low-side current-sensing designs 06 Feb 2018
Technical article Low-side current sensing for high-performance cost-sensitive applications 22 Jan 2018
Technical article Voltage and current sensing in HEV/EV applications 22 Nov 2017
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017
Application note OPA170, OPA2170, OPA4170 EMI Immunity Performance (Rev. A) 03 Nov 2012

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

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Package Pins Download
SOIC (D) 8 View options
VSSOP (DCU) 8 View options
VSSOP (DGK) 8 View options
WSON (DSG) 8 View options

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