參數(shù)資料
型號(hào)： ADS7953SBRHBT
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： ADC
英文描述： 16-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQCC32
封裝： GREEN, PLASTIC, PQFP-32
文件頁(yè)數(shù)： 22/63頁(yè)
文件大?。?/td> 1734K
代理商： ADS7953SBRHBT
www.ti.com
SLAS605A – JUNE 2008 – REVISED JANUARY 2010
Table 1. Mode Control Register Settings for Manual Mode
DESCRIPTION
RESET
BITS
LOGIC
STATE
FUNCTION
STATE
DI15-12
0001
Selects Manual Mode
DI11
0
1
Enables programming of bits DI06-00.
0
Device retains values of DI06-00 from the previous frame.
DI10-07
0000
This four bit data represents the address of the next channel to be selected in the next frame. DI10: MSB and
DI07: LSB. e.g. 0000 represents channel- 0, 0001 represents channel-1 etc.
DI06
0
Selects 2.5V i/p range (Range 1)
1
Selects 5V i/p range (Range 2)
DI05
0
Device normal operation (no powerdown)
1
Device powers down on 16th SCLK falling edge
DI04
0
SDO outputs current channel address of the channel on DO15..12 followed by 12 bit conversion
0
result on DO11..00.
1
GPIO3-GPIO0 data (both input and output) is mapped onto DO15-DO12 in the order shown below.
Lower data bits DO11-DO00 represent 12-bit conversion result of the current channel.
DOI5
DOI4
DOI3
DOI2
GPIO3(1)
GPIO2(1)
GPIO1(1)
GPIO0(1)
DI03-00
0000
GPIO data for the channels configured as output. Device will ignore the data for the channel which is configured
as input. SDI bit and corresponding GPIO information is given below
DI03
DI02
DI01
DI00
GPIO3(2)
GPIO2(2)
GPIO1(2)
GPIO0(2)
(1)
GPIO 1 to 3 are available only in TSSOP packaged devices. QFN device offers GPIO 0 only.
(2)
GPIO 1 to 3 are available only in TSSOP packaged devices. QFN device offers GPIO 0 only.
Copyright 2008–2010, Texas Instruments Incorporated
29
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ADS7953SDBTG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12B 1MSPS 12Ch sr i/f SAR ADC 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
ADS7953SDBTR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12B 1MSPS 16Ch Sgl ended micro Pwr 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
ADS7953SDBTRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12B 1MSPS 12Ch sr i/f SAR ADC 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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