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參數(shù)資料
| 型號： | ADS8371 |
| 元件分類： | ADC |
| 英文描述： | 16BIT 750KHZ UNIPOLAR INPUT, MICRO POWER SAMPLING ANALOG TO DIGITAL CONVERTER WITH PARALLEL INTERFACE |
| 中文描述： | 16位750kHz的單極性輸入，微功耗采樣模數(shù)轉(zhuǎn)換器并行接口 |
| 文件頁數(shù)： | 26/32頁 |
| 文件大?。?/td> | 350K |
| 代理商： | ADS8371 |
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SLAS390A JUNE 2003 REVISED DECEMBER 2003
www.ti.com
26
Digital Inputs
The converter switches from sample to hold mode at the falling edge of the CONVST input pin. A clean and low jitter
falling edge is important to the performance of the converter. A sharp falling transition on this pin can affect the voltage
that is acquired by the converter. A falling transition time in the range of 10 ns to 30 ns is required to achieve the rated
performance of the converter. A resistor of approximately 1000
(10% tolerance) can be placed in series with the
CONVST input pin to satisfy this requirement.
The other digital inputs to the ADS8371 do not require any resistors in series with them. However, certain precautions
are necessary to ensure that transitions on these inputs do not affect converter performance. It is recommended that
all activity on the input pins happen during the first 400 ns of the conversion period. This allows the error correction
circuits inside the device to correct for any errors that these activities cause on the converter output. For example,
when the converter is operated with CS and RD tied to ground, the signal CONVST can be brought low to initiate
a conversion and brought high after a duration not exceeding 400 ns. Figure 41 shows the recommended timing for
the CONVST input with RD and CS tied low.
tconv
CONVST
BUSY
CS = 0
RD = 0
400 ns
730 ns(1)
125 ns(1)
tacq
(1)Quiet Zone (No bus activity)
tw1 < 400 ns
Figure 41. Timing for CONVST When CS = RD = BDGND
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ADS8371IB | 16BIT 750KHZ UNIPOLAR INPUT, MICRO POWER SAMPLING ANALOG TO DIGITAL CONVERTER WITH PARALLEL INTERFACE |
| ADS8371IBPFBR | 16BIT 750KHZ UNIPOLAR INPUT, MICRO POWER SAMPLING ANALOG TO DIGITAL CONVERTER WITH PARALLEL INTERFACE |
| ADS8371IBPFBT | 16BIT 750KHZ UNIPOLAR INPUT, MICRO POWER SAMPLING ANALOG TO DIGITAL CONVERTER WITH PARALLEL INTERFACE |
| ADS8371I | 16BIT 750KHZ UNIPOLAR INPUT, MICRO POWER SAMPLING ANALOG TO DIGITAL CONVERTER WITH PARALLEL INTERFACE |
| ADS8371IPFBR | 16BIT 750KHZ UNIPOLAR INPUT, MICRO POWER SAMPLING ANALOG TO DIGITAL CONVERTER WITH PARALLEL INTERFACE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS8371EVM | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 ADS8371 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| ADS8371I | 制造商:BB 制造商全稱:BB 功能描述:16BIT 750KHZ UNIPOLAR INPUT, MICRO POWER SAMPLING ANALOG TO DIGITAL CONVERTER WITH PARALLEL INTERFACE |
| ADS8371IB | 制造商:BB 制造商全稱:BB 功能描述:16BIT 750KHZ UNIPOLAR INPUT, MICRO POWER SAMPLING ANALOG TO DIGITAL CONVERTER WITH PARALLEL INTERFACE |
| ADS8371IBPFBR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 750kHz Unipol Inp MicroPwr Smplng 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 |
| ADS8371IBPFBRG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 750kHz Unipol Inp MicroPwr Smplng 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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