參數(shù)資料
型號: ADS7891
英文描述: CMOS Hex Schmitt Triggers 14-SO -55 to 125
中文描述: 3 MSPS的14位低功耗的SAR模數(shù)轉(zhuǎn)換器
文件頁數(shù): 15/26頁
文件大?。?/td> 329K
代理商: ADS7891
SLAS410 DECEMBER 2003
www.ti.com
15
Figure 21
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75
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79
0
200
400
fi Input Frequency kHz
600
800
1000 1200
1400
S
SIGNAL-TO-NOISE RATIO
vs
INPUT FREQUENCY
TA = 25 C,
Sample Rate = 3 MSPS,
+VA = 5 V,
+VBD = 5 V,
Vref = 2.5 V
Figure 22
70
75
80
85
90
95
100
105
0
200
400
fi Input Frequency kHz
600
800
1000
1200
1400
SPURIOUS FREE DYNAMIC RANGE
vs
INPUT FREQUENCY
S
TA = 25 C,
Sample Rate = 3 MSPS,
+VA = 5 V,
+VBD = 5 V,
Vref = 2.5 V
Figure 23
105
100
95
90
85
80
75
70
0
200
400
fi Input Frequency kHz
600
800
1000 1200
1400
TOTAL HARMONIC DISTORTION
vs
INPUT FREQUENCY
T
TA = 25 C,
Sample Rate = 3 MSPS,
+VA = 5 V,
+VBD = 5 V,
Vref = 2.5 V
Figure 24
1
0.8
0.6
0.4
0.2
0
0.2
0.4
0.6
0.8
1
4.75
4.85
4.95
5.05
5.15
5.25
+VA Supply Voltage V
EG
GAIN ERROR
vs
SUPPLY VOLTAGE
TA = 25 C,
Sample Rate = 3 MSPS,
+VBD = 5 V,
Vref = 2.5 V
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ADS7891EVM 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 ADS7891 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
ADS7891IPFBR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 2.7-5.25V Digital 5V Analog 14 Bit 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
ADS7891IPFBRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 2.7-5.25V Digital 5V Analog 14 Bit 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
ADS7891IPFBT 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 2.7-5.25V Digital 5V Analog 14 Bit 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
ADS7891IPFBTG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 2.7-5.25V Digital 5V Analog 14 Bit 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