OP191GS
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Analog Devices Inc. OP191GS

Manufacturer No:
OP191GS
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC OPAMP GP 1 CIRCUIT 8SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The OP191GS, produced by Analog Devices Inc., is a single micropower, single-supply operational amplifier (op-amp) featuring rail-to-rail inputs and outputs. This amplifier is part of the OPx91 family, which includes the OP291 (dual) and OP491 (quad) versions. The OP191GS is fabricated on Analog Devices’ CBCMOS process and is designed for low power consumption and high performance.

It operates from a single supply voltage ranging from 2.7 V to 12 V and is also compatible with ±5 V dual supplies. The unique input stage allows the input voltage to safely extend 10 V beyond either supply without phase inversion or latch-up, making it suitable for a wide range of applications.

Key Specifications

Parameter Symbol Conditions Min Typ Max Unit
Supply Voltage V_S 2.7 12 V
Offset Voltage V_OS −40°C ≤ TA ≤ +125°C 80 500 1.0 μV
Input Bias Current I_B −40°C ≤ TA ≤ +125°C 30 65 95 nA
Input Offset Current I_OS −40°C ≤ TA ≤ +125°C 0.1 11 22 nA
Slew Rate 0.5 V/μs
Bandwidth 3 MHz
Supply Current I_S 260 μA
Operating Temperature Range −40 125 °C

Key Features

  • Single-Supply Operation: The OP191GS operates from a single supply voltage ranging from 2.7 V to 12 V and is also compatible with ±5 V dual supplies.
  • Rail-to-Rail Inputs and Outputs: The amplifier features rail-to-rail input and output stages, allowing the input voltage to safely extend 10 V beyond either supply without phase inversion or latch-up.
  • Low Supply Current: The OP191GS has a low supply current of 300 μA per amplifier, making it suitable for power-sensitive applications.
  • Wide Bandwidth: The amplifier has a bandwidth of 3 MHz and a slew rate of 0.5 V/μs.
  • Low Offset Voltage: The offset voltage is typically 500 μV, ensuring high accuracy in signal amplification.
  • No Phase Reversal: The unique input stage prevents phase reversal, even when the input voltage exceeds the supply voltage by up to 10 V.

Applications

  • Portable Telecommunications Equipment: The low power consumption and high performance make it ideal for use in portable telecommunications devices.
  • Power Supply Control and Protection: The OP191GS can be used in power supply control circuits due to its ability to handle a wide range of input voltages.
  • Transducer Interfaces: It is suitable for interfacing with transducers that have wide output ranges, such as Hall effect, piezo electric, and resistive transducers.

Q & A

  1. What is the supply voltage range for the OP191GS?

    The OP191GS operates from a single supply voltage ranging from 2.7 V to 12 V and is also compatible with ±5 V dual supplies.

  2. What is the typical offset voltage of the OP191GS?

    The typical offset voltage of the OP191GS is 500 μV.

  3. What is the bandwidth of the OP191GS?

    The bandwidth of the OP191GS is 3 MHz.

  4. What is the slew rate of the OP191GS?

    The slew rate of the OP191GS is 0.5 V/μs.

  5. What are the key applications of the OP191GS?

    The OP191GS is used in portable telecommunications equipment, power supply control and protection, and as an interface for transducers with wide output ranges.

  6. Does the OP191GS have rail-to-rail inputs and outputs?

    Yes, the OP191GS features rail-to-rail inputs and outputs.

  7. What is the operating temperature range of the OP191GS?

    The operating temperature range of the OP191GS is −40°C to +125°C.

  8. What is the typical supply current of the OP191GS?

    The typical supply current of the OP191GS is 260 μA.

  9. Is the OP191GS sensitive to electrostatic discharge (ESD)?

    Yes, the OP191GS is an ESD-sensitive device.

  10. What package types are available for the OP191GS?

    The OP191GS is available in various packages, including 8-SOIC, PDIP, and TSSOP.

Product Attributes

Amplifier Type:General Purpose
Number of Circuits:1
Output Type:Rail-to-Rail
Slew Rate:0.5V/µs
Gain Bandwidth Product:3 MHz
-3db Bandwidth:- 
Current - Input Bias:30 nA
Voltage - Input Offset:80 µV
Current - Supply:260µA
Current - Output / Channel:16 mA
Voltage - Supply Span (Min):2.7 V
Voltage - Supply Span (Max):12 V
Operating Temperature:-40°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:8-SOIC
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Similar Products

Part Number OP191GS OP191GSZ OP181GS
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Active Active
Amplifier Type General Purpose General Purpose General Purpose
Number of Circuits 1 1 1
Output Type Rail-to-Rail Rail-to-Rail Rail-to-Rail
Slew Rate 0.5V/µs 0.5V/µs 28V/µs
Gain Bandwidth Product 3 MHz 3 MHz 100 kHz
-3db Bandwidth - - -
Current - Input Bias 30 nA 30 nA 3 nA
Voltage - Input Offset 80 µV 80 µV 100 µV
Current - Supply 260µA 260µA 3.3µA (x1 Channels)
Current - Output / Channel 16 mA 16 mA 3.5 mA
Voltage - Supply Span (Min) 2.7 V 2.7 V 2.7 V
Voltage - Supply Span (Max) 12 V 12 V 12 V
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 85°C
Mounting Type Surface Mount Surface Mount Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC

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