OVERVIEW
The S9408 DACPOT⢠is a serial input, voltage output, quad 8-bit digital to analog converter. The S9408 operates from a single +2.7V to +5.5V supply. Internal precision buffers swing rail-to-rail and the reference input range includes both ground and the positive supply.
The S9408 integrates four 8-bit DACs and their associated circuits which include an enhanced unity-gain operational amplifier output, an 8-bit data latch, an 8-bit non volatile register, and an industry-standard serial interface for reading and writing data to the DACsâ data latches and registers. The DACs are independently programmable and each has its own electrically isolated Vreference inputs.
FEATURES
⢠Four 8-Bit DACS
â Differential Non-linearity - ±0.5LSB max
â Integral Non-Linearity - ±1LSB max
⢠Each DAC has Independent Reference Inputs
â Output Buffer Amplifiers Swing Rail-to-Rail
â Ground to VDD Reference Input Range
⢠Each DACâs Digital Input Data Maintained in
Nonvolatile EEPROM
⢠Power-On Reset Reloads Registers with
Nonvolatile Data
⢠Simple Serial Interface for Reading and Writing
DAC values, SPI⢠and QSPI⢠compatible.
⢠Fully operational from 2.7V to 5.5V
⢠Low Power: <1mW @ 2.7V
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