參數(shù)資料
型號(hào)： ADS1232IPWG4
廠商： Texas Instruments
文件頁數(shù)： 1/39頁
文件大小： 0K
描述： IC ADC 24-BIT 10/80SPS 24-TSSOP
產(chǎn)品培訓(xùn)模塊： Data Converter Basics
視頻文件： Nuts and Bolts of the Delta-Sigma Converter
標(biāo)準(zhǔn)包裝： 60
位數(shù)： 24
采樣率（每秒）： 10，80
數(shù)據(jù)接口： 串行
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 13.1mW
電壓電源： 模擬和數(shù)字
工作溫度： -40°C ~ 105°C
安裝類型： 表面貼裝
封裝/外殼： 24-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 24-TSSOP
包裝： 管件
輸入數(shù)目和類型： 4 個(gè)單端，單極；2 個(gè)差分，雙極
配用： 296-20803-ND - EVALUATION MODULE FOR ADS1232
1
FEATURES
DESCRIPTION
APPLICATIONS
Input
Mux
DS ADC
REFP REFN
PGA
Gain=
1,2,64,or128
CAP
DVDD
DGND
AGND
A1/TEMP
(1)
A0
NOTE:(1)A1forADS1234,TEMPforADS1232.
AINP1
AINN1
AINP2
AINN2
AINP3
AINN3
AINP4
AINN4
ADS1234
Only
SCLK
SPEED
DRDY/DOUT
PDWN
GAIN[1:0]
AVDD
CAP
ExternalOscillator
InternalOscillator
CLKIN/XTAL1 XTAL2
SBAS350F – JUNE 2005 – REVISED FEBRUARY 2008
www.ti.com
24-Bit Analog-to-Digital Converter
For Bridge Sensors
2
Complete Front-End for Bridge Sensors
The ADS1232 and ADS1234 are precision 24-bit
analog-to-digital converters (ADCs). With an onboard,
Up to 23.5 Effective Bits
low-noise
programmable
gain
amplifier
(PGA),
Onboard, Low-Noise PGA
precision delta-sigma ADC and internal oscillator, the
RMS Noise:
ADS1232/4 provide a complete front-end solution for
17nV at 10SPS (PGA = 128)
bridge sensor applications including weigh scales,
44nV at 80SPS (PGA = 128)
strain gauges and pressure sensors.
19.2-Bit Noise-Free Resolution at Gain = 64
The input multiplexer accepts either two (ADS1232)
Over 100dB Simultaneous 50Hz and 60Hz
or four (ADS1234) differential inputs. The ADS1232
also includes an onboard temperature sensor to
Rejection
monitor ambient temperature. The onboard, low-noise
Flexible Clocking:
PGA has a selectable gain of 1, 2, 64, or 128
Low-Drift Onboard Oscillator (±3%)
supporting a full-scale differential input of ±2.5V,
Optional External Crystal
±1.25V, ±39mV, or ±19.5mV. The delta-sigma ADC
Selectable Gains of 1, 2, 64, and 128
has 23.5-bit effective resolution and is comprised of a
3rd-order modulator and 4th-order digital filter. Two
Easy Ratiometric Measurements–
data rates are supported: 10SPS (with both 50Hz and
External Voltage Reference up to 5V
60Hz rejection) and 80SPS. The ADS1232/4 can be
Selectable 10SPS or 80SPS Data Rates
clocked externally using an oscillator or a crystal.
Two-Channel Differential Input with Built-In
There is also an internal oscillator available that
Temperature Sensor (ADS1232)
requires no external components. Offset calibration is
performed on-demand and the ADS1232/4 can be
Four-Channel Differential Input (ADS1234)
put in a low-power standby mode or shut off
Simple Serial Digital Interface
completely in power-down mode. All of the features of
Supply Range: 2.7V to 5.3V
the
ADS1232/4
are
operated
through
simple
pin-driven control. There are no digital registers to
–40°C to +105°C Temperature Range
program in order to simplify software development.
Data
are
output
over
an
easily-isolated
serial
interface that connects directly to the MSP430 and
Weigh Scales
other microcontrollers.
Strain Gauges
The ADS1232 is available in a TSSOP-24 package
Pressure Sensors
and the ADS1234 is in a TSSOP-28. Both are fully
Industrial Process Control
specified from -40
°C to +105°C.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright 2005–2008, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS1232IPWR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24-Bit Ultra Low-Noise RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS1232IPWRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24-Bit Ultra Low-Noise RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS1232REF 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 ADS1232REF Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
ADS1234 制造商:BB 制造商全稱:BB 功能描述:Ultra Low-Noise, 24-Bit Analog-to-Digital Converter
ADS1234IPW 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24-Bit Ultra Low-Noise RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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