Overview
The OPA2237UA/2K5G4 is a dual operational amplifier from Texas Instruments, part of their MicroAmplifier™ series. This device is designed for single-supply, battery-operated, and space-limited applications. It features a compact design, available in miniature MSOP-8 and SO-8 surface-mount packages, making it ideal for portable devices, PCMCIA cards, medical instruments, and test equipment. The OPA2237UA/2K5G4 offers low offset voltage, low quiescent current, and a wide supply range, making it versatile for various general-purpose applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Input Offset Voltage | VCM = 2.5V | ±250 | ±750 | µV | |
| Input Bias Current | VCM = 2.5V | −10 | −40 | nA | |
| Quiescent Current (per amplifier) | VS = +5V | 170 | 350 | µA | |
| Supply Range (Single Supply) | +2.7V | +36V | V | ||
| Supply Range (Dual Supply) | ±1.35V | ±18V | V | ||
| Gain-Bandwidth Product | 1.4 MHz | MHz | |||
| Slew Rate | G = 1 | 0.5 V/µs | V/µs | ||
| Operating Temperature Range | −40°C | +85°C | °C |
Key Features
- Low offset voltage: up to ±750µV
- Low quiescent current: up to 350µA per amplifier
- Low bias current: up to −40nA
- Wide supply range: +2.7V to +36V (single supply), ±1.35V to ±18V (dual supply)
- High gain-bandwidth product: 1.4 MHz
- Fast slew rate: 0.5 V/µs
- Compact packages: MSOP-8 and SO-8 surface-mount
- Operating temperature range: −40°C to +85°C
Applications
- Battery-powered instruments
- Portable devices
- PCMCIA cards
- Medical instruments
- Test equipment
Q & A
- What is the input offset voltage of the OPA2237UA/2K5G4?
The input offset voltage is up to ±750µV.
- What is the quiescent current per amplifier for the OPA2237UA/2K5G4?
The quiescent current per amplifier is up to 350µA.
- What are the available package options for the OPA2237UA/2K5G4?
The device is available in MSOP-8 and SO-8 surface-mount packages.
- What is the operating temperature range of the OPA2237UA/2K5G4?
The operating temperature range is −40°C to +85°C.
- Can the OPA2237UA/2K5G4 operate from a single or dual supply?
Yes, it can operate from either a single supply (+2.7V to +36V) or a dual supply (±1.35V to ±18V).
- What is the gain-bandwidth product of the OPA2237UA/2K5G4?
The gain-bandwidth product is 1.4 MHz.
- What is the slew rate of the OPA2237UA/2K5G4?
The slew rate is 0.5 V/µs.
- Is the OPA2237UA/2K5G4 suitable for capacitive loads?
Yes, it can drive large capacitive loads, up to 10,000pF in single-supply applications.
- What are some typical applications of the OPA2237UA/2K5G4?
Typical applications include battery-powered instruments, portable devices, PCMCIA cards, medical instruments, and test equipment.
- How should the power supply pins be bypassed for the OPA2237UA/2K5G4?
The power supply pins should be bypassed with 10nF ceramic capacitors.
