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參數資料
| 型號： | ADS8411IBPFBT |
| 英文描述： | 16-BIT, 2 MSPS, UNIPOLAR INPUT, MICRO POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE |
| 中文描述： | 16位，2 MSPS的，單極輸入，微功耗采樣模數位并行接口和參考轉爐 |
| 文件頁數： | 19/23頁 |
| 文件大?。?/td> | 778K |
| 代理商： | ADS8411IBPFBT |
www.ti.com
APPLICATION INFORMATION
MICROCONTROLLER INTERFACING
ADS8411 to 8-Bit Microcontroller Interface
CS
BYTE
RD
CONVST
BUSY
BDGND
+VBD
DB[15:8]
Micro
Controller
RD
GPIO
INT
10
μ
F
0.1
μ
F
Analog 5 V
0.1
μ
F
Digital 3 V
Ext Ref Input
Analog Input
+
R
A
+
-
ADS8411
0.1
μ
F
R
1
μ
F
AGND
BDGND
GPIO
P[7:0]
GPIO
+
R
R
R
A
0.1
μ
F
1
μ
F
0.1
μ
F
10
μ
F
Analog 5 V
ADS8411
AGND
AGND
PRINCIPLES OF OPERATION
ADS8411
SLAS369B–APRIL 2002–REVISED DECEMBER 2004
Figure 29 shows a parallel interface between the ADS8411 and a typical microcontroller using the 8-bit data bus.
The BUSY signal is used as a falling-edge interrupt to the microcontroller.
Figure 29. ADS8411 Application Circuitry (using external reference)
Figure 30. Use Internal Reference
The ADS8411 is a high-speed successive approximation register (SAR) analog-to-digital converter (ADC). The
architecture is based on charge redistribution, which inherently includes a sample/hold function. See Figure 29
for the application circuit for the ADS8411.
The conversion clock is generated internally. The conversion time of 400 ns is capable of sustaining a 2-MHz
throughput.
19
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADS8411IBPFBTG4 | 功能描述:模數轉換器 - ADC 16-Bit/2MSPS w/P8/16 Parallel Output 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 |
| ADS8411IPFBR | 功能描述:模數轉換器 - ADC 16-Bit/2MSPS w/P8/16 Parallel Output 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 |
| ADS8411IPFBRG4 | 功能描述:模數轉換器 - ADC 16-Bit/2MSPS w/P8/16 Parallel Output 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 |
| ADS8411IPFBT | 功能描述:模數轉換器 - ADC 16-Bit/2MSPS w/P8/16 Parallel Output 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 |
| ADS8411IPFBTG4 | 功能描述:模數轉換器 - ADC 16-Bit/2MSPS w/P8/16 Parallel Output 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 |
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