• OPA445AP PDIP-8
OPA445AP PDIP-8

OPA445AP

Operational Amplifiers - Op Amps Hi Voltage FET-Input Op Amp

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  • Part Number : OPA445AP

  • Package/Case : PDIP-8

  • Brands : TI

  • Components Categories : AmplifiersInstrumentation, OP Amps, Buffer Amps

  • Datesheet : OPA445AP DataSheet (PDF)

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Overview of OPA445AP

The OPA445AP is a high-voltage, high-current operational amplifier designed for precision applications. This IC offers exceptional performance with ultra-low input bias current and low offset voltage, making it suitable for a wide range of precision instrumentation and signal processing tasks.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • OUT: Output
  • -IN: Inverting Input
  • +IN: Non-Inverting Input
  • V+: Positive Power Supply
  • V-: Negative Power Supply
  • NC: No Connection

Circuit Diagram

Incorporate a circuit diagram illustrating the connections and operation of the OPA445AP IC for a visual representation.

Key Features

  • High Voltage and Current Capability: The OPA445AP is capable of operating with high voltages and currents, making it suitable for demanding applications.
  • Precision Performance: Offers ultra-low input bias current and low offset voltage for precision signal processing.
  • Wide Operating Temperature Range: Performs reliably over a wide temperature range, making it suitable for harsh environments.
  • Low Distortion: Provides low harmonic distortion and high linearity for accurate signal amplification.
  • Short-Circuit Protection: Includes built-in protection circuitry to safeguard against short-circuit conditions.

Note: For detailed technical specifications, please refer to the OPA445AP datasheet.

Application

  • Instrumentation Amplifiers: Ideal for precision instrumentation amplifiers requiring high voltage and current capabilities.
  • Signal Processing: Suitable for high-performance signal processing applications in instrumentation and control systems.
  • Audio Amplification: Can be used for high-fidelity audio amplification in professional audio equipment.

Functionality

The OPA445AP is a high-voltage, high-current operational amplifier designed for precision signal processing applications. It offers exceptional performance and reliability in demanding environments.

Usage Guide

  • Power Supply: Connect V+ (Pin 4) to the positive power supply and V- (Pin 5) to the negative power supply.
  • Input Connections: Apply input signals to the +IN (Pin 3) and -IN (Pin 2) pins for signal processing.
  • Output: The amplified signal is available at the OUT (Pin 1) pin.

Frequently Asked Questions

Q: What is the typical input bias current of the OPA445AP?
A: The OPA445AP typically exhibits ultra-low input bias currents, ensuring minimal impact on signal integrity.

Q: Can the OPA445AP operate with a single power supply?
A: No, the OPA445AP requires both positive and negative power supplies for proper operation.

Equivalent

For similar functionalities, consider these alternatives to the OPA445AP:

  • OPA544T: This is a high-voltage operational amplifier with comparable performance characteristics to the OPA445AP.
  • OPA445APG4: Another variant of the OPA445AP, offering similar functionality with slight variations in specifications.

OPA445AP

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 20
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 90 Iout (typ) (A) 0.026
GBW (typ) (MHz) 2 Slew rate (typ) (V/µs) 15
Vos (offset voltage at 25°C) (max) (mV) 3 Offset drift (typ) (V/°C) 0.00001
Iq per channel (typ) (mA) 4.2 Rating Catalog
Operating temperature range (°C) -50 to 125, -55 to 125 Input bias current (max) (pA) 50
CMRR (typ) (dB) 95 Rail-to-rail No
Architecture FET

Warranty & Returns

Warranty, Returns, and Additional Information

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    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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