參數資料
型號： ADS8327IPWR
英文描述： LOW POWER, 16-BIT, 500-kHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL INTERFACE
中文描述： 低功耗，16位，500千赫，單/雙單極性輸入，模擬到數字串行接口變換器
文件頁數： 20/40頁
文件大?。?/td> 2759K
代理商： ADS8327IPWR
www.ti.com
1kHzInput,+VA =5V,
V
=4.096V,f =500kSPS
ref
s
-160
-140
-120
-100
-80
-60
-40
-20
0
0
50
100
150
200
250
f-Frequency-kHz
Amplitude-dB
100kHzInput,
+VA =2.7V,V
=2.5V,
f =500kSPS
ref
s
-160
-140
-120
-100
-80
-60
-40
-20
0
0
50
100
150
200
250
f-Frequency-kHz
Amplitude-dB
-160
-140
-120
-100
-80
-60
-40
-20
0
0
50
100
150
200
250
10kHzInput,+VA =5V,
V
=4.096V,f =500kSPS
ref
s
f-Frequency-kHz
Amplitude-dB
-160
-140
-120
-100
-80
-60
-40
-20
0
0
50
100
150
200
250
100kHzInput,+VA =5V,
V
=4.096V,f =500kSPS
ref
s
f-Frequency-kHz
Amplitude-dB
THEORY OF OPERATION
ADS8327
ADS8328
SLAS415A–APRIL 2006–REVISED MAY 2006
TYPICAL CHARACTERISTICS (continued)
FFT
FFT
Figure 47.
Figure 48.
FFT
FFT
Figure 49.
Figure 50.
The ADS8327/28 is a high-speed, low power, successive approximation register (SAR) analog-to-digital
converter (ADC) that uses an external reference. The architecture is based on charge redistribution, which
inherently includes a sample/hold function.
The ADS8327/28 has an internal clock that is used to run the conversion but can also be programmed to run the
conversion based on the external serial clock, SCLK.
The ADS8327 has one analog input. The analog input is provided to two input pins: +IN and -IN. When a
conversion is initiated, the differential input on these pins is sampled on the internal capacitor array. While a
conversion is in progress, both +IN and -IN inputs are disconnected from any internal function.
The ADS8328 has two inputs. Both inputs share the same common pin - COM. The negative input is the same
as the -IN pin for the ADS8327. The ADS8328 can be programmed to select a channel manually or can be
programmed into the auto channel select mode to sweep between channel 0 and 1 automatically.
20
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相關PDF資料
PDF描述
ADS8328I LOW POWER, 16-BIT, 500-kHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL INTERFACE
ADS8328IB LOW POWER, 16-BIT, 500-kHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL INTERFACE
ADS8328IBPW LOW POWER, 16-BIT, 500-kHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL INTERFACE
ADS8328IBPWR LOW POWER, 16-BIT, 500-kHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL INTERFACE
ADS8328IPWR LOW POWER, 16-BIT, 500-kHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL INTERFACE
相關代理商/技術參數
參數描述
ADS8327IPWRG4 功能描述:模數轉換器 - ADC 2.7-5.5V 16-Bit 500KSPS Serial ADC 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
ADS8327IRSAR 功能描述:模數轉換器 - ADC 2.7V-5.5V 16B 500 KSPS Ser ADC 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
ADS8327IRSARG4 功能描述:模數轉換器 - ADC 2.7V-5.5V 16B 500 KSPS Ser ADC 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
ADS8327IRSAT 功能描述:模數轉換器 - ADC 2.7V-5.5V 16B 500 KSPS Ser ADC 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
ADS8327IRSATG4 功能描述:模數轉換器 - ADC 2.7V-5.5V 16B 500 KSPS Ser ADC 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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