The ADS7844 is an 8-channel, 12-bit sampling analog-to-digital converter (ADC) with a synchronous serial interface. Typical power dissipation is 3mW at a 200kHz throughput rate and a +5V supply. The reference voltage (VREF) can be varied between 100mV and VCC, providing a corresponding input voltage range of 0V to VREF. The device includes a shutdown mode which reduces power dissipation to under 1µW. The ADS7844 is guaranteed down to 2.7V operation.
●Low power, high speed, and on-board multiplexer make the ADS7844 ideal for battery- operated systems such as personal digital assistants, portable multichannel data loggers, and measurement equipment. The serial interface also provides low-cost isolation for remote data acquisition. The ADS7844 is available in a 20-lead QSOP package and the MAX147 equivalent 20-lead SSOP is guaranteed over the 40°C to +85°C temperature range.
● SINGLE SUPPLY: 2.7V to 5V
● 8-CHANNEL SINGLE-ENDED OR 4-CHANNEL DIFFERENTIAL INPUT
● UP TO 200kHz CONVERSION RATE
● ±1 LSB MAX INL AND DNL
● NO MISSING CODES
● 72dB SINAD
● SERIAL INTERFACE
● 20-LEAD QSOP AND 20-LEAD SSOP PACKAGES
● ALTERNATE SOURCE FOR MAX147
● APPLICATIONS
● DATA ACQUISITION
● TEST AND MEASUREMENT
● INDUSTRIAL PROCESS CONTROL
● PERSONAL DIGITAL ASSISTANTS
● BATTERY-POWERED SYSTEMS
●All trademarks are the property of their respective owners.
