Overview
The OPA4322AIPWR from Texas Instruments is a quad-channel, low-noise, rail-to-rail input and output operational amplifier. This device is part of the OPAx322x series, which includes single, dual, and quad-channel CMOS operational amplifiers. The OPA4322AIPWR is designed for low-power, single-supply applications and features high gain bandwidth, low noise, and fast slew rate, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 1.8 to 5.5 | V |
| Quiescent Current per Amplifier | 1.4 to 1.65 | mA |
| Input Noise Voltage | 8.5 | nV/√Hz at 1 kHz |
| Gain Bandwidth Product | 20 | MHz |
| Slew Rate | 10 | V/μs |
| Output Current | ±65 | mA |
| Common-Mode Rejection Ratio (CMRR) | 90 to 100 | dB |
| Operating Temperature Range | –40 to +125 | °C |
| Package Type | 14-pin TSSOP, 16-pin TSSOP |
Key Features
- Low noise: 8.5 nV/√Hz at 1 kHz
- Rail-to-rail input and output stages
- High gain bandwidth: 20 MHz
- Fast slew rate: 10 V/μs
- Low quiescent current: 1.4 to 1.65 mA per amplifier
- Shutdown mode with low standby current (< 0.1 μA per channel)
- Unity-gain stable
- Small packages: 14-pin and 16-pin TSSOP
Applications
- Sensor signal conditioning
- Consumer audio
- Multi-pole active filters
- Control-loop amplifiers
- Communications
- Security systems
- Scanners
Q & A
- What is the supply voltage range of the OPA4322AIPWR?
The supply voltage range is from 1.8 V to 5.5 V. - What is the quiescent current per amplifier for the OPA4322AIPWR?
The quiescent current per amplifier is typically 1.4 to 1.65 mA. - What is the input noise voltage of the OPA4322AIPWR?
The input noise voltage is 8.5 nV/√Hz at 1 kHz. - What is the gain bandwidth product of the OPA4322AIPWR?
The gain bandwidth product is 20 MHz. - What is the slew rate of the OPA4322AIPWR?
The slew rate is 10 V/μs. - Does the OPA4322AIPWR have a shutdown mode?
Yes, it has a shutdown mode with a standby current of less than 0.1 μA per channel. - What are the typical applications of the OPA4322AIPWR?
Typical applications include sensor signal conditioning, consumer audio, multi-pole active filters, control-loop amplifiers, communications, security systems, and scanners. - What is the operating temperature range of the OPA4322AIPWR?
The operating temperature range is from –40°C to +125°C. - What packages are available for the OPA4322AIPWR?
The device is available in 14-pin and 16-pin TSSOP packages. - Is the OPA4322AIPWR unity-gain stable?
Yes, the OPA4322AIPWR is unity-gain stable.
