參數(shù)資料
型號(hào)： TLV1562IPWG4
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
封裝： 0.65 MM PITCH, GREEN, TSSOP-28
文件頁數(shù)： 8/41頁
文件大?。?/td> 600K
代理商： TLV1562IPWG4
TLV1562
2.7 V TO 5.5 V, HIGH-SPEED LOW-POWER RECONFIGURABLE ANALOG-TO-DIGITAL
CONVERTER WITH 4-INPUT, DUAL S/H, PARALLEL INTERFACE, AND POWER DOWN
SLAS162 – SEPTEMBER 1998
16
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
dual interrupt-driven mode (CR0.(3,2) = 0,1)
The dual interrupt-driven conversion mode provides a similar one-shot conversion, sampling, and conversion
but also samples both selected channels simultaneously. Conversion can only be started with the CSTART
signal. The falling edge of CSTART starts the sampling of both of the input channels selected, and the rising
edge of CSTART starts the conversion. Since it takes two consecutive conversions internally, the conversion
time required is doubled (10 SYSCLK cycles). Once the data are ready, INT falls. INT is terminated by the first
falling edge of RD, which also outputs the first data to the bus. On the rising edge of RD, data is read and the
data bus is 3-stated. The second RD falling edge outputs the second data to the bus and then reads it on the
rising edge and 3-states the bus. It is not necessary to configure the converter for each cycle or toggle CS
between cycles.
NOTE:
Dual interrupt mode is available to 10-bit or 8-bit resolution and single-ended input
type.
t EN(DATAOUT)
t dis(DATAOUT)
t 2(APDR)
t (APD)
Powerdown
(If Autopowerdown Is Set)
Powerdown
VIH
VIL
t d2(WRH–CSTARTL)
t d(INT-CSL)
t w(CSH)
t w(CSTARTL)
t s4
t conv2
t w(RDL)
t s4
t en(DATAOUT)
t d(RDL-INTZ)
t 2(APDR)
VIH
VIL
VIH
VIL
VIH
VIL
VIH
VIL
VIH
VIL
CS
CSTART
WR
RD
DATA
INT
Data 1A
Sample 1
Conv 1
Data 1B
Sample 2
t d2(RDH–CSTARTL)
(With Pullup)
t d2(CSTART–CONV)
t dis(DATAOUT)
Figure 13. Dual Interrupt Conversion Mode
(Conversion can only be started with CSTART for the dual interrupt mode)
相關(guān)PDF資料
PDF描述
TLV1562CPWLE 2-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
TLV1562IPWLE 2-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
TLV1562IDWRG4 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
TLV1570CPWG4 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
TLV1570IDWG4 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLV1570 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.7 V TO 5.5 V 8-CHANNEL 10-BIT 1.25-MSPS SERIAL ANALOG-TO-DIGITAL CONVERTER
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TLV1570CDWG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 1.25 MSPS 8-Ch DSP 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
TLV1570CDWR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 1.25 MSPS 8-Ch DSP 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
TLV1570CDWRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 1.25 MSPS 8-Ch DSP 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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