Main Content Main Menu

Sigma Delta A/D Converter

Description

The GW9121 is a high speed, low power, 12-bit, successive-approximation analog-to-digital converter (SAR ADC) that operates from a wide single power supply range of 2.7V to 5.25V. The GW9121 features a serial interface capable of 1MSPS throughput rate, making it suitable for interfacing with microprocessors or DSPs. The GW9121 provides various solutions for battery-powered systems including medical instruments and portable systems.

Typical Applications

  • Battery-powered systems
  • Medical instruments
  • Portable systems
  • Data acquisition systems
  • Energy harvesting systems

Basic Application Diagram

Features

Up to 1MSPS Sampling Rate
2.7V to 5.25V Power Supply
Analog Input Range of 0V to VDD
68dB SNR at 5V, 1MSPS, 100kHz input
Low-power Consumption:
→3mW max at 3V, 1MSPS
→10mW max at 5V, 1MSPS
Power-Down Mode
→0.5uA max at 3V Power-Down Mode
→1uA max at 5V Power-Down Mode
Flexible Power/Throughput Rate Management
SPI Interface

Physical Characteristics

Operating temperature: (-40°C to +105°C)

Block Diagram

Datasheet and Guides

[GW9121]
Product Brief
File Download

Support

For more information about the product, technology, latest version of the document, or your nearest sales office, Please email us

Sample and Buy

Cascode Technologies

T9111, 9F, 66 Chungmin-ro, Songpa-gu, Seoul, 05838, Republic of Korea

+82-2-2157-7877 henry.kim@cascodetech.com

Touchworld

919ho, 224, Hwangsaeul-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 13595, Republic of Korea

+82-10-2816-4349 martin.choi@touchworld.co.kr

Farben

Block B, WeiDa Technology Park, No.15, Gaoxin North 6th road, Songpingshan Community, Xili Street, Nanshan District, Shenzhen, China

www.farben.com.cn Lemon.He@farbenelec.com