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12-bit, 250kSPS Low-power ADCs with Single-ended
and Differential Inputs and Multiple Input Channels
ISL26320, ISL26321, ISL26322,
ISL26323, ISL26324, ISL26325,
ISL26329
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 VDD.
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 8A 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).
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 8A (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
FIGURE 1. FUNCTIONAL BLOCK DIAGRAM
OSC
ADC
MUX
SPI
POR
ANALOG INPUTS
DIFFERENTIAL/
SINGLE-ENDED
VREF
VDD
CNV
SCLK
SDO
SDI
GND
BUFFER
September 5, 2013
FN8273.1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Copyright Intersil Americas LLC 2012, 2013. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
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ISL26329FVZ-T
功能描述:IC ADC 12BIT SPI/SRL 16-TSSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program 标准包装:250 系列:- 位数:12 采样率（每秒）:1.8M 数据接口:并联 转换器数目:1 功率耗散（最大）:1.82W 电压电源:模拟和数字 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-LQFP 供应商设备封装:48-LQFP（7x7） 包装:管件 输入数目和类型:2 个单端，单极
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Obsolescence Mitigation Program 标准包装:250 系列:- 位数:12 采样率（每秒）:1.8M 数据接口:并联 转换器数目:1 功率耗散（最大）:1.82W 电压电源:模拟和数字 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-LQFP 供应商设备封装:48-LQFP（7x7） 包装:管件 输入数目和类型:2 个单端，单极
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