參數(shù)資料
型號(hào): ADS7945SRTER
廠商: TEXAS INSTRUMENTS INC
元件分類: ADC
英文描述: 2-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQCC16
封裝: GREEN, PLASTIC, QFN-16
文件頁數(shù): 4/49頁
文件大?。?/td> 1322K
代理商: ADS7945SRTER
75
77
79
81
83
85
2.7
3.2
3.7
4.2
4.7
5.2
5.7
AVDD, Analog Supply Voltage (V)
SignaltoNoise
Ratio
(dB)
fIN = 20 kHz
G018
75
77
79
81
83
85
2.5
3
3.5
4
4.5
5
5.5
Reference Voltage (V)
SignaltoNoise
Ratio
(dB)
AVDD = 5.25 V
fIN = 20 kHz
G020
75
77
79
81
83
85
40 25 10
5
20
35
50
65
80
95
110 125
Free-Air Temperature (°C)
SignaltoNoise
Ratio
(dB)
fIN = 20 kHz
G019
75
77
79
81
83
85
0
20
40
60
80
100
fIN, Input Frequency (kHz)
SignaltoNoise
Ratio
(dB)
G021
75
77
79
81
83
85
2.7
3.2
3.7
4.2
4.7
5.2
5.7
AVDD, Analog Supply Voltage (V)
SignaltoNoise
and
Distortion
(dB)
fIN = 20 kHz
G022
75
77
79
81
83
85
2.5
3
3.5
4
4.5
5
5.5
Reference Voltage (V)
SignaltoNoise
and
Distortion
(dB)
AVDD = 5.25 V
fIN = 20 kHz
G024
SBAS539B
– JUNE 2011 – REVISED SEPTEMBER 2011
TYPICAL CHARACTERISTICS: ADS7945 (continued)
At TA = +25°C, AVDD = 5 V, DVDD = 1.8 V, VREF = 2.5 V, and fSAMPLE = 2 MSPS, unless otherwise noted.
SNR vs ANALOG SUPPLY VOLTAGE
SNR vs REFERENCE VOLTAGE
Figure 13.
Figure 14.
SNR vs FREE-AIR TEMPERATURE
SNR vs INPUT FREQUENCY
Figure 15.
Figure 16.
SINAD vs ANALOG SUPPLY VOLTAGE
SINAD vs REFERENCE VOLTAGE
Figure 17.
Figure 18.
12
Copyright
2011, Texas Instruments Incorporated
Product Folder Link(s): ADS7945 ADS7946
相關(guān)PDF資料
PDF描述
ADS7945SRTET 2-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQCC16
ADS7953SBRHBT 16-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQCC32
ADS7953SRHBT 16-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQCC32
ADS803E 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
ADS8342IBPFBTG4 4-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQFP48
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS7945SRTET 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14B,2MSPS,DUAL-CH, UNIPOLAR,DIF,SAR ADC 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
ADS7946 制造商:TI 制造商全稱:Texas Instruments 功能描述:14-Bit, 2 MSPS, Dual-Channel, Differential/Single-Ended, Ultralow-Power Analog-to-Digital Converters
ADS7946EVM-PDK 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 ADS7946 PERF DEM KIT RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
ADS7946SRTER 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14B,2MSPS,DUAL-CH, UNIP,PSE-DIF,SAR ADC 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
ADS7946SRTET 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14B,2MSPS,DUAL-CH, UNIP,PSE-DIF,SAR ADC 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