參數(shù)資料
型號： ADS8330IRSARG4
英文描述： LOW POWER, 16-BIT, 1-MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL INTERFACE
中文描述： 低功耗，16位，1兆赫，單/雙單極性輸入，模擬到數(shù)字串行接口變換器
文件頁數(shù)： 21/42頁
文件大?。?/td> 1768K
代理商： ADS8330IRSARG4
www.ti.com
FFT
-160
-140
-120
-100
-80
-60
-40
-20
0
20
0
100
200
300
400
500
f - Frequency - kHz
Figure 49.
A
10 kHz Input,
+VA = 5 V,
f = 1 MSPS,
V
= 5 V
ref
FFT
-160
-140
-120
-100
-80
-60
-40
-20
0
0
100
200
300
400
500
f - Frequency - kHz
Figure 50.
A
100 kHz Input,
+VA = 5 V,
f = 1 MSPS,
V
= 5 V
ref
THEORY OF OPERATION
ANALOG INPUT
When the converter enters hold mode, the voltage difference between the +IN and –IN inputs is captured on the
internal capacitor array. The voltage on the –IN input is limited between AGND – 0.2 V and AGND + 0.2 V,
allowing the input to reject small signals which are common to both the +IN and –IN inputs. The +IN input has a
range of –0.2 V to V
ref
+ 0.2 V. The input span [+IN – (–IN)] is limited to 0 V to V
ref
.
The (peak) input current through the analog inputs depends upon a number of factors: sample rate, input
ADS8329
ADS8330
SLAS516–DECEMBER 2006
TYPICAL CHARACTERISTICS (continued)
The ADS8329/30 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 ADS8329/30 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 ADS8329 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 ADS8330 has two inputs. Both inputs share the same common pin - COM. The negative input is the same
as the -IN pin for the ADS8329. The ADS8330 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.
21
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相關PDF資料
PDF描述
ADS8330IRSAT LOW POWER, 16-BIT, 1-MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL INTERFACE
ADS8330IRSATG4 LOW POWER, 16-BIT, 1-MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL INTERFACE
ADS8328IPW LOW POWER, 16-BIT, 500-kHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL INTERFACE
ADS8327I LOW POWER, 16-BIT, 500-kHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL INTERFACE
ADS8327IB 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(shù)
參數(shù)描述
ADS8330IRSAT 功能描述:模數(shù)轉換器 - ADC 2.7V-5.5V 16 Bit 1 MSPS Serial ADC RoHS:否 制造商:Texas Instruments 通道數(shù)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
ADS8330IRSATG4 功能描述:模數(shù)轉換器 - ADC 2.7V-5.5V 16 Bit 1 MSPS Serial ADC RoHS:否 制造商:Texas Instruments 通道數(shù)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
ADS8331 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low-Power, 16-Bit, 500kSPS, 4-/8-Channel Unipolar Input ANALOG-TO-DIGITAL CONVERTERS with Serial Interface
ADS8331_10 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low-Power, 16-Bit, 500kSPS, 4-/8-Channel Unipolar Input ANALOG-TO-DIGITAL CONVERTERS with Serial Interface
ADS8331_1003 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low-Power, 16-Bit, 500kSPS, 4-/8-Channel Unipolar Input ANALOG-TO-DIGITAL CONVERTERS with Serial Interface
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