PSA1208
Multi-channel 12-bit SAR ADC with 500kSPS sampling rate, ideal for industrial monitoring systems
Product Overview
Description
The PSA1208 is an 8-channel 12-bit successive approximation register ADC designed for multi-channel data acquisition applications.
With a sampling rate of 500kSPS and integrated 8:1 multiplexer, this ADC is ideal for industrial monitoring, building automation, and test systems.
The device features automatic channel sequencing, programmable gain amplifier, and low power consumption for battery-powered applications.
Product Series
PSA
Primary Application
Industrial monitoring systems
Key Features
- 8-channel input multiplexer
- 12-bit resolution with no missing codes
- 500 kSPS sampling rate
- Integrated PGA with gains 1, 2, 4, 8
- Automatic channel sequencing
- Low power consumption: 5 mW
- SPI-compatible serial interface
- Wide supply range: 2.7V to 5.25V
Specifications
| Resolution | 12 bit |
|---|---|
| Sampling Rate | 500 kSPS |
| Channels | 8 single-ended or 4 differential |
| INL | ±1 LSB |
| DNL | ±0.8 LSB |
| SNR | 70 dB |
| Power Supply | 2.7V - 5.25V |
| Power Consumption | 5 mW |
| Interface | SPI |
| Temperature Range | -40°C to +85°C (Industrial), -40°C to +125°C (Automotive) |
| Package | TSSOP-20, QFN-24 |
Applications
Industrial monitoring systems
Industrial automation and control
Building automation
Industrial automation and control
Battery management systems
Battery and charging management
Environmental monitoring
Electronic system design
Test and measurement equipment
Data acquisition and conversion
Process control systems
Industrial automation and control
FAE Expert Insights
"The PSA1208 is an excellent choice for multi-channel data acquisition applications. The integrated multiplexer and automatic sequencing simplify system design by eliminating the need for external switching. I've used this ADC in building automation systems where it monitors temperature, humidity, and pressure sensors across 8 channels. The 500kSPS rate provides good throughput for most monitoring applications. The integrated PGA is useful for sensors with different output ranges. For best performance, I recommend using a solid ground plane and keeping analog input traces short and symmetric."
8-channel multiplexer with automatic sequencing for multi-sensor systems
— Michael Chen, BeiLuo