參數(shù)資料
型號(hào)： ADS1232REF
廠商： Texas Instruments
文件頁(yè)數(shù)： 13/39頁(yè)
文件大?。?/td> 0K
描述： EVALUATION MODULE FOR ADS1232
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： 1
ADC 的數(shù)量： 1
位數(shù)： 24
采樣率（每秒）： 80
數(shù)據(jù)接口： 串行
輸入范圍： ±2.5 V
在以下條件下的電源（標(biāo)準(zhǔn)）： 7.1mW @ 5V
工作溫度： -40°C ~ 105°C
已用 IC / 零件： ADS1232
已供物品： 板
產(chǎn)品目錄頁(yè)面： 889 (CN2011-ZH PDF)
相關(guān)產(chǎn)品： ADS1232IPWRG4-ND - IC ADC 24-BIT 10/80SPS 24-TSSOP
296-25894-2-ND - IC ADC 24-BIT 10/80SPS 24-TSSOP
ADS1232IPWG4-ND - IC ADC 24-BIT 10/80SPS 24-TSSOP
296-18589-5-ND - IC ADC 24-BIT 10/80SPS 24-TSSOP
其它名稱(chēng)： 296-20803
www.ti.com
OFFSET CALIBRATION
23
DRDY/DOUT
SCLK
1
24
t
8
25
26
23
22
21
0
Data Ready After Calibration
Calibration Begins
SBAS350F – JUNE 2005 – REVISED FEBRUARY 2008
When the calibration is completed, DRDY/DOUT
goes low, indicating that new data are ready. The
Offset calibration can be initiated at any time to
analog input pins are disconnected within the ADC
remove the ADS1232/4 inherited offset error. To
and the appropriate signal is applied internally to
initiate offset calibration, apply at least two additional
perform the calibration. The first conversion after a
SCLKs after retrieving 24 bits of data. Figure 36
calibration is fully settled and valid for use. The offset
shows the timing pattern. The 25th SCLK will send
calibration takes exactly the same time as specified in
DRDY/DOUT high. The falling edge of the 26th SCLK
(t8) right after the falling edge of the 26th SCLK.
will begin the calibration cycle. Additional SCLK
pulses may be sent after the 26th SCLK; however,
activity on SCLK should be minimized during offset
calibration for best results.
Figure 36. Offset-Calibration Timing
SYMBOL
DESCRIPTION
MIN
MAX
UNITS
SPEED = 1
101.28
101.29
ms
t8
(1)
First data ready after calibration
SPEED = 0
801.02
801.03
ms
(1)
Values given for fCLK = 4.9152MHz. For different fCLK frequencies, scale proportional to CLK period. Expect a ±3% variation when an
internal oscillator is used.
20
Copyright 2005–2008, Texas Instruments Incorporated
Product Folder Link(s): ADS1232 ADS1234
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS1234 制造商:BB 制造商全稱(chēng):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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
ADS1234IPW 制造商:Texas Instruments 功能描述:IC ADC ULTRALOW NOISE 24BIT SMD 制造商:Texas Instruments 功能描述:IC, ADC, ULTRALOW NOISE, 24BIT, SMD 制造商:Texas Instruments 功能描述:IC, ADC, ULTRALOW NOISE, 24BIT, SMD; Resolution (Bits):24bit; Sampling Rate:80SPS; Supply Voltage Min:2.7V; Supply Voltage Max:5.3V; Supply Current:1.35mA; Digital IC Case Style:TSSOP; No. of Pins:28; Input Channel Type:Differential;;RoHS Compliant: Yes
ADS1234IPWG4 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
ADS1234IPWR 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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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