參數(shù)資料
型號(hào)： THS1209IDAG4
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(yè)數(shù)： 16/33頁(yè)
文件大?。?/td> 312K
代理商： THS1209IDAG4
THS1209
SLAS288B – JULY 2000 – REVISED DECEMBER 2002
www.ti.com
23
Timing and Signal Description of the THS1209
The reading from the THS1209 and writing to the THS1209 is performed by using the chip select inputs (CS0, CS1),
the write input WR and the read input RD. The write input is configurable to a combined read/write input (R/W). This
is desired in cases where the connected processor consists of a combined read/write output signal (R/W). The two
chip select inputs can be used to interface easily to a processor.
Reading from the THS1209 takes place by an internal RDint signal, which is generated from the logical combination
of the external signals CS0, CS1 and RD (see Figure 4). This signal is then used to strobe the words out and to enable
the output buffers. The last external signal (either CS0, CS1 or RD) to become valid makes RDint active while the
write input (WR) is inactive. The first of those external signals going to its inactive state then deactivates RDint again.
Writing to the THS1209 takes place by an internal WRint signal, which is generated from the logical combination of
the external signals CS0, CS1 and WR. This signal is then used to strobe the control words into the control registers
0 and 1. The last external signal (either CS0, CS1 or WR) to become valid makes WRint active while the read input
(RD) is inactive. The first of those external signals going to its inactive state then deactivates WRint again.
RDint
WRint
Control/Data
Registers
CS0
CS1
RD
WR
Data Bits
Figure 28. Logical Combination of CS0, CS1, RD, and WR
相關(guān)PDF資料
PDF描述
THS1215CDWRG4 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
THS1215IDWRG4 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
THS1215CPWRG4 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
THS1215CDW 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
THS1215CPW 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
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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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