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KAD2708C-21

Description
SUCCESSIVE APPROXIMATION ADC
Categorysemiconductor    logic   
File Size1MB,23 Pages
ManufacturerIntersil ( Renesas )
Websitehttp://www.intersil.com/cda/home/
Download Datasheet Parametric View All

KAD2708C-21 Overview

SUCCESSIVE APPROXIMATION ADC

KAD2708C-21 Parametric

Parameter NameAttribute value
stateActive
Type of converterADC, SUCCESSIVE APPROXIMATION
Output bit encodingOFFSET BINARY
DATASHEET
ISL26320, ISL26321, ISL26322, ISL26323, ISL26324, ISL26325, ISL26329
12-Bit, 250kSPS Low-Power ADCs with Single-Ended and Differential Inputs and Multiple Input
Channels
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. A proprietary input multiplexer and combination buffer
amplifier reduces the input drive requirements, resulting in
lower cost and reduced board space. Specified measurement
accuracy is maintained with input signals up to V
DD
.
Members of the The ISL26320, ISL26321, ISL26322,
ISL26323, ISL26324, ISL26325 and ISL26329 family of
Low-Power ADCs offer pinout intercompatibility, differing only
in the analog inputs, to support quick replication of proven
layouts across multiple design platforms.
The serial digital interface is SPI compatible and is easily
interfaced to popular FPGAs and microcontrollers. Power
consumption is limited to 15mW at a sampling rate of
250kSPS, and an operating current of just 8µA typical
between conversions, when configured for Auto Power-down
mode.
The ISL26320, ISL26321, ISL26322, ISL26323, ISL26324,
ISL26325 and ISL26329 feature up to 5kV Human Body
Model ESD survivability and are available in the popular SOIC
and TSSOP packages. Performance is specified for operation
over the full industrial temperature range (-40°C to +125°C).
FN8273
Rev 1.00
September 5, 2013
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
BUFFER
ANALOG INPUTS
DIFFERENTIAL/
SINGLE-ENDED
MUX
ADC
SPI
CNV
SCLK
SDO
SDI
OSC
POR
GND
FIGURE 1. FUNCTIONAL BLOCK DIAGRAM
FN8273 Rev 1.00
September 5, 2013
Page 1 of 23
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