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OPA137NA/3K

Name: OPA137NA/3K
Rating: 4.7 (12 reviews)

OPA137 LOW COST FET-INPUT OPERAT

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資料表 OPA137NA/3K DataSheet
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規格

Series	MicroAmplifier™
Part Status	Active
Amplifier Type	J-FET
Number of Circuits	1
Slew Rate	3.5V/µs
Gain Bandwidth Product	1 MHz
Current - Input Bias	5 pA
Voltage - Input Offset	2.5 mV
Current - Supply	220µA
Current - Output / Channel	60 mA
Voltage - Supply Span (Min)	4.5 V
Voltage - Supply Span (Max)	36 V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	SC-74A, SOT-753
Supplier Device Package	SOT-23-5

概述

Description

The OPA137NA/3K is a precision operational amplifier (op-amp) from Texas Instruments, designed for applications requiring high accuracy, low noise, and low offset voltage. It features a low input offset voltage of 50 µV max, a low input bias current of 10 pA, and a wide bandwidth, making it suitable for high-performance analog signal processing.
Key specifications include a gain bandwidth product of 1 MHz and a slew rate of 0.5 V/µs, which allows for effective handling of dynamic signals. The op-amp operates on a single or dual power supply, ranging from ±2.5V to ±18V, and can function in a variety of configurations, such as inverting or non-inverting amplifiers.
The OPA137 is ideal for applications in instrumentation, data acquisition systems, and audio processing, where precision and reliability are paramount. The "NA" suffix indicates the dual in-line package (DIP) type, while "3K" refers to the packaging quantity, typically 3,000 units per reel for bulk applications.

Features

The OPA137NA/3K is a precision, low-noise operational amplifier designed for various applications in analog signal processing. Key features include:
1. Low Offset Voltage: Typically 50 µV, ensuring high accuracy in signal amplification.
2. Low Bias Current: Input bias current is around 10 pA, making it suitable for high-impedance applications.
3. Wide Supply Voltage Range: Operates from ±2.5 V to ±18 V, allowing flexibility in circuit design.
4. High Slew Rate: Approximately 0.5 V/µs, enabling fast response to changing signals.
5. High Gain Bandwidth Product: Around 1 MHz, providing stable performance in a variety of applications.
6. Rail-to-Rail Output: Ensures maximum output swing for improved dynamic range.
7. Low Noise: Designed for low noise operation, enhancing performance in sensitive applications.
This op-amp is widely used in instrumentation, audio processing, and control systems due to its excellent performance characteristics.

Package

The OPA137NA/3K is packaged in a standard 8-pin DIP (Dual In-line Package) configuration. This type of package is suitable for through-hole mounting on printed circuit boards (PCBs).

Pinout

The OPA137NA/3K is a precision operational amplifier with an 8-pin dual in-line package (DIP). The pin configuration and functions are as follows:
1. Offset Null: Used for offset voltage adjustment.
2. Inverting Input (−): Input for the negative side of the operational amplifier.
3. Non-Inverting Input (+): Input for the positive side of the operational amplifier.
4. V- (Negative Supply): Connects to the negative power supply voltage.
5. Output: The output of the operational amplifier.
6. V+ (Positive Supply): Connects to the positive power supply voltage.
7. NC (No Connect): Not internally connected; can be left floating.
8. Offset Null: Another pin for offset voltage adjustment.
The OPA137 is known for its low offset voltage, low noise, and high precision, making it suitable for applications such as signal conditioning and sensor interfacing.

Manufacturer

The OPA137NA/3K is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, including operational amplifiers, microcontrollers, and digital signal processors. Founded in 1930, TI has a strong reputation in the electronics industry, providing innovative solutions for a wide range of applications in sectors such as automotive, industrial, communication, and consumer electronics. The OPA137 series, particularly known for its precision and low noise characteristics, is widely used in instrumentation, sensors, and audio applications. TI continues to be a leading player in the semiconductor market, focusing on both analog and digital technology advancements.

Application

The OPA137NA/3K is a precision operational amplifier primarily used in applications such as medical instrumentation, data acquisition systems, signal conditioning, and audio processing. Its low noise and low offset voltage make it suitable for high-accuracy measurements and sensor interfacing. Additionally, it can be employed in active filters, voltage followers, and amplifiers in various industrial and consumer electronic devices.

Equivalent

Equivalent products to the OPA137NA/3K operational amplifier include the OPA134, OPA604, and LM234. Other alternatives are the AD797 and LT1007. Ensure to check specifications like bandwidth, input/output voltage ranges, and power supply requirements for compatibility.