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參數(shù)資料
| 型號： | THS1009CDA |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 10-BIT, 2 ANALOG INPUT, 8 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTER |
| 中文描述： | 10位，2個模擬輸入，8 MSPS的同步采樣模擬數(shù)字轉換器 |
| 文件頁數(shù)： | 16/31頁 |
| 文件大?。?/td> | 235K |
| 代理商： | THS1009CDA |
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SLAS287A
–
AUGUST 2000
–
REVISED DECEMBER 2002
www.ti.com
16
DIGITAL OUTPUT DATA FORMAT
The digital output data format of the THS1009 can either be in binary format or in twos complement format. The
following tables list the digital outputs for the analog input voltages.
Table 2. Binary Output Format for Single-Ended Configuration
SINGLE-ENDED, BINARY OUTPUT
ANALOG INPUT VOLTAGE
DIGITAL OUTPUT CODE
AIN = VREFP
AIN = (VREFP + VREFM)/2
AIN = VREFM
3FFh
200h
000h
Table 3. Twos Complement Output Format for Single-Ended Configuration
SINGLE-ENDED, TWOS COMPLEMENT
ANALOG INPUT VOLTAGE
DIGITAL OUTPUT CODE
AIN = VREFP
AIN = (VREFP + VREFM)/2
AIN = VREFM
1FFh
000h
200h
Table 4. Binary Output Format for Differential Configuration
DIFFERENTIAL, BINARY OUTPUT
ANALOG INPUT VOLTAGE
DIGITAL OUTPUT CODE
Vin = AINP
–
AINM
VREF = VREFP
–
VREFM
Vin = VREF
Vin = 0
Vin =
–
VREF
3FFh
200h
000h
Table 5. Twos Complement Output Format for Differential Configuration
DIFFERENTIAL, BINARY OUTPUT
ANALOG INPUT VOLTAGE
Vin = AINP
–
AINM
VREF = VREFP
–
VREFM
Vin = VREF
Vin = 0
Vin =
–
VREF
DIGITAL OUTPUT CODE
1FFh
000h
200h
ADC CONTROL REGISTER
The THS1009 contains two 10-bit wide control registers (CR0, CR1) in order to program the device into the desired
mode. The bit definitions of both control registers are shown in Table 6.
Table 6. Bit Definitions of Control Register CR0 and CR1
REG
CR0
BIT 9
TEST1
BIT 8
TEST0
BIT 7
SCAN
BIT 6
DIFF1
BIT 5
DIFF0
BIT 4
CHSEL1
BIT 3
CHSEL0
BIT 2
PD
BIT 1
RES
BIT 0
VREF
CR1
RESERVED
OFFSET
BIN/2
’
s
R/W
RES
RES
RES
RES
SRST
RESET
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相關代理商/技術參數(shù) |
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|---|---|
| THS1009CDAG4 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-BIT, 2 ANALOG INPUT, 8 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTER |
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| THS1009CDARG4 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-BIT, 2 ANALOG INPUT, 8 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTER |
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| THS1009IDA | 功能描述:模數(shù)轉換器 - ADC 10 BIT QUAD ADC w/o RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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