Overview
The OPA237NA/250G4 is part of the OPA237 series of operational amplifiers (op amps) produced by Texas Instruments. These devices are part of the MicroAmplifier series, known for their miniature size and high performance. The OPA237NA/250G4 is specifically packaged in the ultra-miniature 5-lead SOT23-5 surface-mount package, making it ideal for single-supply, battery-operated, and space-limited applications such as PCMCIA cards, portable devices, and medical instruments.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Input Offset Voltage | VCM = 2.5V | ±250 | ±750 | µV | |
| Supply Voltage Range (Single Supply) | +2.7V | +36V | V | ||
| Supply Voltage Range (Dual Supply) | ±1.35V | ±18V | V | ||
| Quiescent Current (per amplifier) | 170 | 350 | µA | ||
| Bandwidth | 1.5MHz | ||||
| Operating Temperature Range | −40°C | +85°C | °C | ||
| Thermal Resistance (θJA) | SOT23-5 | 200 | °C/W |
Key Features
- Low offset voltage: up to ±750µV
- Low quiescent current: up to 350µA per amplifier
- Wide supply range: +2.7V to +36V (single supply) and ±1.35V to ±18V (dual supply)
- High bandwidth: 1.5MHz
- Unity-gain stable
- Capable of driving large capacitive loads
- Available in ultra-miniature SOT23-5 and SO-8 surface-mount packages
- Operating temperature range: −40°C to +85°C
Applications
- Battery-powered instruments
- Portable devices
- PCMCIA cards and other portable instruments
- Medical instruments
- Test equipment
Q & A
- What is the input offset voltage of the OPA237NA/250G4?
The input offset voltage is up to ±750µV.
- What is the supply voltage range for the OPA237NA/250G4?
The supply voltage range is +2.7V to +36V for single supply and ±1.35V to ±18V for dual supply.
- What is the quiescent current per amplifier for the OPA237NA/250G4?
The quiescent current per amplifier is up to 350µA.
- What is the bandwidth of the OPA237NA/250G4?
The bandwidth is 1.5MHz.
- What are the typical applications for the OPA237NA/250G4?
Typical applications include battery-powered instruments, portable devices, PCMCIA cards, medical instruments, and test equipment.
- What is the operating temperature range for the OPA237NA/250G4?
The operating temperature range is −40°C to +85°C.
- What package types are available for the OPA237 series?
The OPA237 series is available in SOT23-5 and SO-8 surface-mount packages.
- Is the OPA237NA/250G4 unity-gain stable?
Yes, the OPA237NA/250G4 is unity-gain stable.
- Can the OPA237NA/250G4 drive large capacitive loads?
Yes, the OPA237NA/250G4 can drive large capacitive loads.
- What is the thermal resistance (θJA) for the SOT23-5 package?
The thermal resistance (θJA) for the SOT23-5 package is 200°C/W.
