All specifications at T
參數(shù)資料
型號： ADS1232IPWG4
廠商： Texas Instruments
文件頁數(shù)： 23/39頁
文件大?。?/td> 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 個單端，單極；2 個差分，雙極
配用： 296-20803-ND - EVALUATION MODULE FOR ADS1232
www.ti.com
ELECTRICAL CHARACTERISTICS
SBAS350F – JUNE 2005 – REVISED FEBRUARY 2008
All specifications at TA = –40°C to +105°C, AVDD = DVDD = VREFP = +5V, and VREFN = AGND, unless otherwise noted.
ADS1232, ADS1234
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
Analog Inputs
Full-Scale Input Voltage
±0.5VREF/Gain
V
(AINP – AINN)
AINxP or AINxN with respect to GND,
AGND – 0.1
AVDD + 0.1
V
Gain = 1, 2
Common-Mode Input Range
Gain = 64, 128
AGND + 1.5V
AVDD – 1.5V
V
Gain = 1
±3
nA
Differential Input Current
Gain = 2
±6
nA
Gain = 64, 128
±3.5
nA
System Performance
Resolution
No Missing Codes
24
Bits
Internal Oscillator, SPEED = High
78
80
82.4
SPS
Internal Oscillator, SPEED = Low
9.75
10
10.3
SPS
Data Rate
External Oscillator, SPEED = High
fCLK/61,440
SPS
External Oscillator, SPEED = Low
fCLK/491,520
SPS
Digital Filter Settling Time
Full Settling
4
Conversions
Differential Input, End-Point Fit
±0.0002
±0.001
% of FSR(1)
Gain = 1, 2
Integral Nonlinearity (INL)
Differential Input, End-Point Fit
±0.0004
% of FSR
Gain = 64, 128
Gain = 1
±0.2
±5
ppm of FS
Input Offset Error(2)
Gain = 128
±0.02
±1
ppm of FS
Gain = 1
±0.3
V/
°C
Input Offset Drift
Gain = 128
±10
nV/
°C
Gain = 1
±0.001
±0.02
%
Gain Error(3)
Gain = 128
±0.01
±0.1
%
Gain = 1
±0.2
ppm/
°C
Gain Drift
Gain = 128
±2.5
ppm/
°C
Internal Oscillator, fDATA = 10SPS
100
110
dB
fIN = 50Hz or 60Hz, ±1Hz
Normal-Mode Rejection(4)
External Oscillator, fDATA = 10SPS
120
130
dB
fIN = 50Hz or 60Hz, ±1Hz
at DC, Gain = 1,
ΔV = 1V
95
110
dB
Common-Mode Rejection
at DC, Gain = 128,
ΔV = 0.1V
95
110
dB
Input-Referred Noise
See Noise Performance Tables
at DC, Gain = 1,
ΔV = 1V
100
120
dB
Power-Supply Rejection
at DC, Gain = 128,
ΔV = 0.1V
100
120
dB
Voltage Reference Input
Voltage Reference Input (VREF)
VREF = VREFP – VREFN
1.5
AVDD
AVDD + 0.1V
V
Negative Reference Input (VREFN)
AGND – 0.1
VREFP – 1.5
V
Positive Reference Input (VREFP)
VREFN + 1.5
AVDD + 0.1
V
Voltage Reference
10
nA
Input Current
(1)
FSR = full-scale range = VREF/Gain.
(2)
Offset calibration can minimize these errors to the level of noise at any temperature.
(3)
Gain errors are calibrated at the factory (AVDD = +5V, all gains, TA = +25°C).
(4)
Specification is assured by the combination of design and final production test.
Copyright 2005–2008, Texas Instruments Incorporated
3
Product Folder Link(s): ADS1232 ADS1234
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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
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