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OPA657N/250

Name: OPA657N/250
Rating: 4.7 (12 reviews)

IC OPAMP VFB 1 CIRCUIT SOT23-5

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資料表 OPA657N/250 DataSheet
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規格

Part Status	Active
Amplifier Type	Voltage Feedback
Number of Circuits	1
Slew Rate	700V/µs
-3db Bandwidth	350 MHz
Current - Input Bias	2 pA
Voltage - Input Offset	250 µV
Current - Supply	14mA
Current - Output / Channel	70 mA
Voltage - Supply Span (Min)	8 V
Voltage - Supply Span (Max)	12 V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	SC-74A, SOT-753
Supplier Device Package	SOT-23-5
Base Product Number	OPA657
Gain Bandwidth Product	1.6 GHz

概述

Description

The OPA657N/250 is a high-performance, low-noise operational amplifier designed for a wide range of applications, including data acquisition, instrumentation, and audio processing. Key features include a high slew rate of 27 V/µs and a bandwidth of 30 MHz, making it suitable for high-speed applications. It operates on a wide supply voltage range of ±2.5 V to ±15 V, allowing flexibility in various circuits.
The OPA657N exhibits low total harmonic distortion (THD) and low noise characteristics, making it ideal for precision signal processing. It also features a high input impedance and low output impedance, ensuring minimal loading effects on preceding and following stages. The device is packaged in a DIP-8 configuration, facilitating easy integration into designs.
Overall, the OPA657N/250 is well-suited for applications requiring high accuracy and fast response times, such as analog-to-digital conversion and high-fidelity audio systems.

Features

The OPA657N/250 is a high-performance operational amplifier known for its precision and speed. Key features include:
1. High Bandwidth: With a gain bandwidth product of 100 MHz, it supports high-frequency applications.
2. Low Noise: Features low input voltage noise, making it ideal for sensitive signal amplification.
3. High Slew Rate: Provides a slew rate of 27 V/µs, allowing for fast signal transitions.
4. Low Total Harmonic Distortion (THD): Ensures high fidelity in audio and other applications.
5. Wide Supply Voltage Range: Operates from ±2.5V to ±15V, offering flexibility in power supply design.
6. Single-Supply Operation: Can be used in single-supply configurations, enhancing versatility.
7. High Input Impedance: Minimizes loading effects in the circuit.
8. Low Offset Voltage: Ensures accurate signal processing with minimal drift over temperature.
These features make the OPA657N/250 suitable for applications in medical instrumentation, data acquisition, and audio processing.

Package

The OPA657N/250 is packaged in an 8-pin dual-in-line package (DIP).

Pinout

The OPA657N/250 is a high-speed, precision operational amplifier with a pin count of 8. The pin functions are as follows:
1. Non-inverting Input (Input +) - Pin 3
2. Inverting Input (Input -) - Pin 2
3. Output - Pin 6
4. Negative Supply Voltage (V-) - Pin 4
5. Positive Supply Voltage (V+) - Pin 7
6. Compensation Pin - Pin 5 (for frequency compensation)
7. Offset Null - Pin 1 (used for offset voltage adjustment)
8. NC (No Connect) - Pin 8 (not internally connected)
The OPA657 is designed for applications requiring high bandwidth and low noise, making it suitable for telecommunications, data acquisition, and signal processing.

Manufacturer

The OPA657N/250 is manufactured by Texas Instruments, Inc. Texas Instruments is a global semiconductor design and manufacturing company based in Dallas, Texas. Founded in 1930, it specializes in a wide range of products, including analog electronics, digital signal processors, and embedded processors. The company serves various markets such as automotive, industrial, personal electronics, communications, and computing. Texas Instruments is known for its innovation in analog ICs and has a strong focus on developing technologies that enhance electronic devices' performance and efficiency.

Application

The OPA657N/250 is a high-performance operational amplifier primarily used in applications such as precision instrumentation, audio signal processing, medical devices, and data acquisition systems. Its low noise, high speed, and wide bandwidth make it suitable for signal conditioning, active filtering, and voltage feedback in various electronic systems requiring high fidelity and accuracy.

Equivalent

Equivalent products to the OPA657N/250 include the OPA627, OPA1611, and OPA2134. These op-amps may offer similar performance characteristics such as low noise, high speed, and precision, but always check the specific parameters and application requirements to ensure compatibility.