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參數資料
| 型號： | TLC2543MFK |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 11-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CQCC20 |
| 封裝： | CERAMIC, LCC-20 |
| 文件頁數： | 5/31頁 |
| 文件大小： | 474K |
| 代理商： | TLC2543MFK |
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TLC2543C, TLC2543I, TLC2543M
12-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL AND 11 ANALOG INPUTS
SLAS079E – DECEMBER 1993 – REVISED JUNE 2000
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
power up and initialization
After power up, CS must be taken from high to low to begin an I/O cycle. EOC is initially high, and the input data
register is set to all zeroes. The contents of the output data register are random, and the first conversion result
should be ignored. To initialize during operation, CS is taken high and is then returned low to begin the next I/O
cycle. The first conversion after the device has returned from the power-down state may not read accurately
due to internal device settling.
Table 1. Operational Terminology
Current (N) I/O cycle
The entire I/O CLOCK sequence that transfers address and control data into the data register and clocks
the digital result from the previous conversion from DATA OUT
Current (N) conversion cycle
The conversion cycle starts immediately after the current I/O cycle. The end of the current I/O cycle is the
last clock falling edge in the I/O CLOCK sequence. The current conversion result is loaded into the output
register when conversion is complete.
Current (N) conversion result
The current conversion result is serially shifted out on the next I/O cycle.
Previous (N – 1) conversion cycle
The conversion cycle just prior to the current I/O cycle
Next (N + 1) I/O cycle
The I/O period that follows the current conversion cycle
Example: In the 12-bit mode, the result of the current conversion cycle is a 12-bit serial-data stream clocked out during
the next I/O cycle. The current I/O cycle must be exactly 12 bits long to maintain synchronization, even
when this corrupts the output data from the previous conversion. The current conversion is begun
immediately after the twelfth falling edge of the current I/O cycle.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TLC2543MJB | 功能描述:模數轉換器 - ADC 12-Bit A/D w/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 |
| TLC2543QDWREP | 功能描述:模數轉換器 - ADC 12B Alog/Dig Cnvertr Military Enhanced 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 |
| TLC254ACD | 功能描述:運算放大器 - 運放 Quad LinCMOS RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| TLC254ACDG4 | 功能描述:運算放大器 - 運放 LinCMOS Quad OP AMP RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| TLC254ACN | 功能描述:運算放大器 - 運放 Lin CMOS Quad RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
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