參數(shù)資料
型號(hào)： THS1209IDA
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
封裝： GREEN, PLASTIC, TSSOP-32
文件頁數(shù)： 14/33頁
文件大?。?/td> 312K
代理商： THS1209IDA
THS1209
SLAS288B – JULY 2000 – REVISED DECEMBER 2002
www.ti.com
21
ANALOG INPUT CHANNEL SELECTION
The analog input channels of the THS1209 can be selected via bits 3 to 7 of control register 0. One single channel
(single-ended or differential) is selected via bit 3 and bit 4 of control register 0. Bit 5 controls the selection between
single-ended and differential configuration. Bit 6 and bit 7 select the autoscan mode, if more than one input channel
is selected. Table 9 shows the possible selections.
Table 9. Analog Input Channel Configurations
BIT 7
AS
BIT 6
DF1
BIT 5
DF0
BIT 4
CHS1
BIT 3
CHS0
DESCRIPTION OF THE SELECTED INPUTS
0
Analog input AINP (single ended)
0
1
Analog input AINM (single ended)
0
1
0
Reserved
0
1
Reserved
0
1
0
Differential channel (AINP–AINM)
0
1
0
1
Reserved
1
0
1
Autoscan two single ended channels: AINP, AINM, AINP,
…
1
0
1
0
Reserved
1
0
1
Reserved
1
0
1
Reserved
1
0
1
0
1
Reserved
1
0
1
0
Reserved
0
1
0
Reserved
0
1
Reserved
1
0
Reserved
1
0
1
0
Reserved
1
0
1
Reserved
1
0
Reserved
1
0
1
0
Reserved
1
0
1
Reserved
1
0
Reserved
1
0
1
Reserved
1
0
Reserved
1
Reserved
Test Mode
The test mode of the ADC is selected via bit 8 and bit 9 of control register 0. The different selections are shown in
Table 10.
Table 10. Test Mode
BIT 9
TEST1
BIT 8
TEST0
OUTPUT RESULT
0
Normal mode
0
1
VREFP
1
0
((VREFM)+(VREFP))/2
1
VREFM
Three different options can be selected. This feature allows support testing of hardware connections between the
ADC and the processor.
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THS1209CDA 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
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相關(guān)代理商/技術(shù)參數(shù)
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THS1209IDAG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12 Bit 8 MSPS Dual Ch 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
THS121 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:HIGH STABILITY MOTOR CONTROL. DIGITAL TACHOMETER. CRANK SHAFT POSITION SENSOR.
THS1215 制造商:TI 制造商全稱:Texas Instruments 功能描述:3.3-V, 12-BIT, 15 MSPS, LOW-POWER ANALOG-TO-DIGITAL CONVERTER WITH POWER DOWN
THS1215CDW 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 15 MSPS w/Low Pwr & exc ENOB 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
THS1215CDWG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 15 MSPS w/Low Pwr & exc ENOB 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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