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OPA388IDR

Name: OPA388IDR
Rating: 4.7 (12 reviews)

IC OPAMP ZERO-DRIFT 1 CIRC 8SOIC

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データシート OPA388IDR DataSheet
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仕様

Part Status	Active
Amplifier Type	Zero-Drift
Number of Circuits	1
Output Type	Rail-to-Rail
Slew Rate	5V/µs
Gain Bandwidth Product	10 MHz
Current - Input Bias	30 pA
Voltage - Input Offset	0.25 µV
Current - Supply	1.9mA
Current - Output / Channel	60 mA
Voltage - Supply Span (Min)	2.5 V
Voltage - Supply Span (Max)	5.5 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
Base Product Number	OPA388

概要

Description

The OPA388IDR is a precision operational amplifier designed for applications requiring high accuracy and low noise. It features a low offset voltage (typically 10 µV), low input bias current (up to 10 pA), and a wide supply voltage range (±2.5 V to ±18 V). This op-amp is characterized by its high gain bandwidth (1.8 MHz) and low total harmonic distortion, making it suitable for precision signal processing tasks in industrial, medical, and instrumentation applications.
The OPA388IDR employs a CMOS architecture, ensuring low power consumption while maintaining high performance. It also boasts rail-to-rail output, allowing it to drive loads close to the supply rails. The device is packaged in an 8-pin MSOP for compact designs. Overall, the OPA388IDR is ideal for applications such as data acquisition systems, filters, and amplifiers where precision and reliability are paramount.

Features

The OPA388IDR is a precision operational amplifier featuring low noise and low offset voltage. Key features include:
1. Low Offset Voltage: Typically 0.1 mV, ensuring high accuracy in applications.
2. Low Noise: Input voltage noise density of 8 nV/√Hz at 1 kHz, suitable for sensitive applications.
3. Wide Supply Voltage Range: Operates from ±2.5 V to ±18 V or a single supply from 5 V to 36 V.
4. High Gain Bandwidth Product: 10 MHz, allowing for high-speed applications.
5. Low Distortion: THD+N typically 0.0002% at 1 kHz.
6. Rail-to-Rail Output: Maximizes the output swing, enhancing performance in low-voltage applications.
7. Low Supply Current: Approximately 500 µA per channel, improving power efficiency.
8. Temperature Range: Qualified for operation from –40°C to +125°C, making it suitable for automotive and industrial environments.
These features make the OPA388IDR ideal for applications requiring precision signal amplification, such as data acquisition systems, medical devices, and instrumentation.

Package

The OPA388IDR is packaged in a Thin Shrink Small Outline Package (TSSOP) with 8 pins. This surface-mount package is designed for compact applications, offering a small footprint while maintaining performance.

Pinout

The OPA388IDR is a precision operational amplifier with a pin count of 8. The functions of its pins are as follows:
1. Non-Inverting Input (Pin 1): The input for the signal to be amplified.
2. Inverting Input (Pin 2): The input for the negative feedback and signal reference.
3. Output (Pin 3): The amplified output signal.
4. V- (Pin 4): Negative power supply connection.
5. V+ (Pin 7): Positive power supply connection.
6. Compensation/NC (Pin 5): Compensation pin (internal compensation; typically not connected).
7. NC (Pin 6): No connection; not used.
8. NC (Pin 8): No connection; not used.
The OPA388 offers low offset voltage, low bias current, and rail-to-rail output, making it suitable for various precision applications.

Manufacturer

The OPA388IDR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company based in Dallas, Texas, known for designing and manufacturing a wide range of electronic components, including analog, mixed-signal, and digital signal processing devices. Established in 1930, TI primarily serves sectors such as automotive, industrial, consumer electronics, and communications. The company is recognized for its innovation in analog technology and embedded processing solutions, making it a key player in the semiconductor industry.

Application

The OPA388IDR is a precision, low-noise operational amplifier widely used in applications such as sensor signal conditioning, data acquisition systems, medical instrumentation, and automotive electronics. Its high voltage precision and low offset voltage make it ideal for amplifying weak signals, while its rail-to-rail output enables maximum dynamic range in battery-operated devices. Additionally, it is suitable for active filters, audio processing, and transducer interfacing.

Equivalent

The OPA388IDR is a precision operational amplifier. Equivalent products include:
1. OPA827 - Low noise and high precision.
2. OPA2134 - Low distortion and high performance.
3. LT1007 - Low offset and low drift.
4. AD827 - Low noise with high precision.
Check datasheets for specific specifications and compatibility to ensure suitable replacements based on your application needs.