參數(shù)資料
型號： ADS7945SRTET
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)： 5/49頁
文件大?。?/td> 1322K
代理商： ADS7945SRTET
75
77
79
81
83
85
40 25 10
5
20
35
50
65
80
95
110 125
Free-Air Temperature (°C)
SignaltoNoise
and
Distortion
(dB)
fIN = 20 kHz
G023
75
77
79
81
83
85
0
20
40
60
80
100
fIN, Input Frequency (kHz)
SignaltoNoise
and
Distortion
(dB)
G025
100
96
92
88
84
80
2.7
3.2
3.7
4.2
4.7
5.2
5.7
AVDD,Analog Supply Voltage (V)
Total
Harmonic
Distortion
(dB)
fIN = 20 kHz
G030
100
96
92
88
84
80
2.5
3
3.5
4
4.5
5
5.5
Reference Voltage (V)
Total
Harmonic
Distortion
(dB)
AVDD = 5.25 V
fIN = 20 kHz
G032
100
96
92
88
84
80
40 25 10
5
20
35
50
65
80
95
110 125
Free-Air Temperature (°C)
Total
Harmonic
Distortion
(dB)
AVDD = 3 V
fIN = 20 kHz
G031
100
96
92
88
84
80
0
20
40
60
80
100
fIN, Input Frequency (kHz)
Total
Harmonic
Distortion
(dB)
AVDD = 3 V
G033
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.
SINAD vs FREE-AIR TEMPERATURE
SINAD vs INPUT FREQUENCY
Figure 19.
Figure 20.
THD vs ANALOG SUPPLY VOLTAGE
THD vs REFERENCE VOLTAGE
Figure 21.
Figure 22.
THD vs FREE-AIR TEMPERATURE
THD vs INPUT FREQUENCY
Figure 23.
Figure 24.
Copyright
2011, Texas Instruments Incorporated
13
Product Folder Link(s): ADS7945 ADS7946
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相關代理商/技術參數(shù)
參數(shù)描述
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: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: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS7947 制造商:TI 制造商全稱:Texas Instruments 功能描述:12/10/8-Bit 2MSPS, Dual-Channel Unipolar Pseudo-Differential Ultralow-Power SAR Analog-to-Digital Converters
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