Overview
The OPA237NA/250 is part of Texas Instruments' MicroAmplifier series, a family of miniature operational amplifiers. These devices are designed for single-supply, battery-operated, and space-limited applications, making them ideal for use in PCMCIA cards, portable instruments, and other compact devices. The OPA237 series features low offset voltage, low quiescent current, low bias current, and a wide supply range, ensuring high performance in a variety of operating conditions.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Input Offset Voltage | ±250 | ±750 | µV | |
| Supply Range (Single Supply) | +2.7V | +36V | V | |
| Supply Range (Dual Supply) | ±1.35V | ±18V | V | |
| Quiescent Current (per amplifier) | 170 | 350 | µA | |
| Bandwidth | 1.5 | MHz | ||
| Operating Temperature Range | -40°C | +85°C | °C | |
| Package Types | SOT-23-5, SO-8, MSOP-8 |
Key Features
- Micro-Size, Miniature Packages: Available in SOT-23-5, SO-8, and MSOP-8 packages, offering significant space savings.
- Low Offset Voltage: Maximum offset voltage of 750µV.
- Wide Supply Range: Operates from single supplies (+2.7V to +36V) and dual supplies (±1.35V to ±18V).
- Low Quiescent Current: Maximum quiescent current of 350µA per amplifier.
- Wide Bandwidth: 1.5MHz bandwidth for high-frequency applications.
- Low Bias Current: Low input bias current for minimal signal distortion.
Applications
- Battery-Powered Instruments: Ideal for devices that require low power consumption.
- Portable Devices: Suitable for compact, portable electronic devices.
- PCMCIA Cards: Designed for use in PCMCIA cards and other space-limited applications.
- Medical Instruments: Used in various medical devices due to their high precision and reliability.
- Test Equipment: Employed in test and measurement equipment for their stability and accuracy.
Q & A
- What is the input offset voltage of the OPA237NA/250?
The input offset voltage is ±250µV to ±750µV.
- What is the operating temperature range of the OPA237NA/250?
The operating temperature range is -40°C to +85°C.
- What are the available package types for the OPA237NA/250?
The available package types are SOT-23-5, SO-8, and MSOP-8.
- Can the OPA237NA/250 operate from a single or dual supply?
Yes, it can operate from both single (+2.7V to +36V) and dual (±1.35V to ±18V) supplies.
- What is the quiescent current of the OPA237NA/250?
The quiescent current is 170µA to 350µA per amplifier.
- What is the bandwidth of the OPA237NA/250?
The bandwidth is 1.5MHz.
- Is the OPA237NA/250 suitable for battery-powered instruments?
Yes, it is ideal for battery-powered instruments due to its low quiescent current and wide supply range.
- Can the OPA237NA/250 drive large capacitive loads?
Yes, it can drive large capacitive loads, up to 10,000pF in single-supply applications.
- What are some common applications of the OPA237NA/250?
Common applications include battery-powered instruments, portable devices, PCMCIA cards, medical instruments, and test equipment.
- Is the OPA237NA/250 unity-gain stable?
Yes, the OPA237NA/250 is unity-gain stable and suitable for a wide range of general-purpose applications.
