Overview
The OPA4322AIPW is a quad-channel CMOS operational amplifier produced by Texas Instruments. It is part of the OPAx322x series, which includes single, dual, and quad-channel versions. This operational amplifier is optimized for low-power, single-supply applications and features low noise and rail-to-rail inputs and outputs. The device operates over a wide supply range of 1.8 V to 5.5 V, making it suitable for a variety of power-sensitive applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | TSSOP (PW) with 14 pins |
| Operating Temperature Range | -40°C to 125°C |
| Gain Bandwidth | 20 MHz |
| Noise | 8.5 nV/√Hz at 1 kHz |
| Slew Rate | 10 V/µs |
| THD+N | 0.0005% |
| Offset Voltage | 2 mV (maximum) |
| Supply Voltage | 1.8 V to 5.5 V |
| Supply Current | 1.5 mA/ch |
| Shutdown Current | 0.1 µA/ch |
| Output Current | 65 mA |
Key Features
- Low noise: 8.5 nV/√Hz at 1 kHz
- High gain bandwidth: 20 MHz
- Fast slew rate: 10 V/µs
- Low THD+N: 0.0005%
- Rail-to-rail inputs and outputs
- Low quiescent current: 1.5 mA per channel
- Shutdown mode with standby current less than 0.1 µA per channel
- Unity-gain stable
- Available in small packages: SOT-23, SON, VSSOP, TSSOP
Applications
The OPA4322AIPW is ideal for a wide range of applications, including:
- Signal conditioning and sensor amplification requiring high gains
- Consumer audio applications, particularly for single-supply systems
- Power-sensitive applications due to its low quiescent current
Q & A
- What is the gain bandwidth of the OPA4322AIPW?
The gain bandwidth of the OPA4322AIPW is 20 MHz.
- What is the noise level of the OPA4322AIPW at 1 kHz?
The noise level of the OPA4322AIPW at 1 kHz is 8.5 nV/√Hz.
- What is the slew rate of the OPA4322AIPW?
The slew rate of the OPA4322AIPW is 10 V/µs.
- What is the THD+N of the OPA4322AIPW?
The THD+N of the OPA4322AIPW is 0.0005%.
- What is the supply voltage range of the OPA4322AIPW?
The supply voltage range of the OPA4322AIPW is 1.8 V to 5.5 V.
- What is the quiescent current per channel of the OPA4322AIPW?
The quiescent current per channel of the OPA4322AIPW is 1.5 mA.
- Does the OPA4322AIPW have a shutdown mode?
- What are the available package options for the OPA4322?
The OPA4322 is available in 14-pin and 16-pin TSSOP packages.
- What is the operating temperature range of the OPA4322AIPW?
The operating temperature range of the OPA4322AIPW is -40°C to 125°C.
- Is the OPA4322AIPW unity-gain stable?
