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參數資料
型號: TLC3541IDGKG4
廠商: TEXAS INSTRUMENTS INC
元件分類: ADC
英文描述: 1-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
封裝: GREEN, PLASTIC, MSOP-8
文件頁數: 7/25頁
文件大小: 648K
代理商: TLC3541IDGKG4
TLC3541, TLC3545
SLAS345 DECEMBER 2001
15
www.ti.com
PRINCIPLES OF OPERATION
1
MSB
9
8
2
2
MSB
MSB
MSB1
19
8
2
OR
th7
tsu7
th7
tsu6
tcyc(reset)
Normal Cycle Begins
Initialization Cycle (Reset)
SCLK
CS
FS
SDO
Figure 21. Critical Timing: Initialization Cycle (TLC3541 Only)
detailed description
The TLC3541/5 are successive approximation (SAR) ADCs utilizing a charge-redistribution DAC. Figure 22
shows a simplified version of the ADC. The sampling capacitor acquires the signal on AIN (or the AIN(+) pin for
TLC3545) during the sampling period. When the conversion process starts, the SAR control logic and charge
redistribution DAC are used to add and subtract fixed amounts of charge from the sampling capacitor to bring the
comparator into a balanced condition. When the comparator is balanced, the conversion is complete and the
ADC output code is generated.
AIN/
AIN(+)
+
GND/
AIN()
Charge
Redistribution
DAC
ADC Code
Control
Logic
Ci
Figure 22. Simplified SAR Circuit
相關PDF資料
PDF描述
TLC3541IDRG4 1-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
TLC3541IDGK 1-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
TLC3545IDGK 1-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
TLC3545ID 1-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
TLC3544IDWRG4 4-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
相關代理商/技術參數
參數描述
TLC3541IDGKR 功能描述:模數轉換器 - ADC 5V Lo-Pwr 14-Bit 200 KSPS Serial RoHS:否 制造商:Texas Instruments 通道數量: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
TLC3541IDGKRG4 功能描述:模數轉換器 - ADC 5V Lo-Pwr 14-Bit 200 KSPS Serial RoHS:否 制造商:Texas Instruments 通道數量: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
TLC3541IDR 功能描述:模數轉換器 - ADC 5V Lo-Pwr 14-Bit 200 KSPS Serial RoHS:否 制造商:Texas Instruments 通道數量: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
TLC3541IDRG4 功能描述:模數轉換器 - ADC 5V Lo-Pwr 14-Bit 200 KSPS Serial RoHS:否 制造商:Texas Instruments 通道數量: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
TLC3544 制造商:TI 制造商全稱:Texas Instruments 功能描述:5-V ANALOG, 3-/5-V DIGITAL, 14-BIT, 200-KSPS, 4-/8-CHANNELS SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH 0-5 V (PSEUDODIFFERENTIAL) INPUTS
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