Renesas Electronics ISL26324
The ISL26320, ISL26321, ISL26322, ISL26323, ISL26324, ISL26325 and ISL26329 family of sampling SAR-type ADCs feature excellent linearity over supply and temperature variations, and offer versions with 1-, 2-, 4- and 8-channel single-ended inputs, and 1-, 2- and 4-channel differential inputs. The serial digital interface is SPI compatible and is easily interfaced to popular FPGAs and microcontrollers.FEATURES
● Pin-compatible family allows easy design upgrades● Excellent differential non-linearity (0.7LSB max)
● Low THD: -86dB (typ)
● Simple SPI-compatible serial digital interface
● Low 3mA operating current
● Power-down current between conversions 8µA (typ)
● +5.25V to +2.7V supply
● Excellent ESD survivability: 5kV HBM, 350V MM, 2kV CDM
APPLICATIONS
● Industrial process control● Energy measurement
● Multichannel data acquisition systems
● Pressure sensors
● Flow controllers VDD VREF ANALOG INPUTS DIFFERENTIAL/ SINGLE-ENDED MUX BUFFER ADC SPI OSC POR GND FIGURE 1. FUNCTIONAL BLOCK DIAGRAM CNV SCLK SDO SDI FN8273 Rev 1.00 September 5, 2013 Page 1 of 23 ISL26320, ISL26321, ISL26322, ISL26323, ISL26324, ISL26325, ISL26329 Application Block Diagram I2C Bus ANALOG SIGNAL INPUT MODULEs Pressure/Strain Gage Sensor VREF DCP Precision Amps Gain Amplifiers +V Precision Amps -V Active Filters +V Precision Amps -V Temperature Sensor VREF DCP Thermistor +V Precision Amps -V Thermocouple ISO-...