Overview
The OPA2335AIDGKT is a dual-channel, single-supply CMOS operational amplifier produced by Texas Instruments. This device is part of the OPA334 and OPA335 series, which utilize auto-zeroing techniques to provide very low offset voltage and near-zero drift over time and temperature. The OPA2335AIDGKT is designed for high precision and low power consumption, making it suitable for a variety of applications requiring low-voltage, single-supply operation.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Input Offset Voltage (VOS) | 1 - 5 | µV |
| Offset Voltage Drift (dVOS/dT) | ±0.05 | µV/°C |
| Quiescent Current (IQ) | 570 - 900 | µA |
| Operating Voltage Range | 2.7 - 5.5 | V |
| Bandwidth | 2 | MHz |
| Slew Rate | 1.6 | V/µs |
| Input Bias Current (IB) | ±1 | nA |
| Input Offset Current (IOS) | ±400 | pA |
| Operating Temperature Range | -40 to +125 | °C |
| Package Type | VSSOP-8 |
Key Features
- Low Offset Voltage: Maximum of 5µV.
- Zero Drift: Maximum of 0.05µV/°C.
- Single-Supply Operation: Compatible with supply voltages from 2.7V to 5.5V.
- Low Quiescent Current: 570µA to 900µA for dual-channel versions.
- High Input Impedance: Suitable for high-precision applications.
- Rail-to-Rail Output Swing: Provides full output voltage range.
- Shutdown Capability: Available in some versions, allowing the amplifier to be switched to a standby current of 2µA.
- MicroSIZE Packages: Available in SOT23, MSOP, and SO-8 packages.
Applications
- Transducer Applications: Suitable for interfacing with various transducers.
- Temperature Measurement: Ideal for precise temperature sensing.
- Electronic Scales: Used in high-precision weighing applications.
- Medical Instrumentation: Applicable in medical devices requiring low noise and high accuracy.
- Battery-Powered Instruments: Optimized for low power consumption.
- Handheld Test Equipment: Suitable for portable test and measurement devices.
Q & A
- What is the maximum input offset voltage of the OPA2335AIDGKT?
The maximum input offset voltage is 5µV.
- What is the offset voltage drift over temperature for the OPA2335AIDGKT?
The offset voltage drift is a maximum of 0.05µV/°C.
- What is the operating voltage range for the OPA2335AIDGKT?
The operating voltage range is from 2.7V to 5.5V.
- What is the quiescent current of the OPA2335AIDGKT?
The quiescent current is between 570µA and 900µA for dual-channel versions.
- Does the OPA2335AIDGKT have a shutdown feature?
No, the OPA2335AIDGKT does not have a shutdown feature, but it is available in other versions of the OPA334 and OPA335 series.
- What are the typical applications of the OPA2335AIDGKT?
Typical applications include transducer interfaces, temperature measurement, electronic scales, medical instrumentation, battery-powered instruments, and handheld test equipment.
- What is the bandwidth of the OPA2335AIDGKT?
The bandwidth is 2 MHz.
- What is the slew rate of the OPA2335AIDGKT?
The slew rate is 1.6 V/µs.
- What is the input bias current of the OPA2335AIDGKT?
The input bias current is approximately ±1 nA.
- What is the operating temperature range of the OPA2335AIDGKT?
The operating temperature range is from -40°C to +125°C.
