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): 3/49頁
文件大?。?/td> 1322K
代理商: ADS7945SRTER
4
3
2
1
0
1
2
3
4
2.7
3.2
3.7
4.2
4.7
5.2
5.7
AVDD, Analog Supply Voltage (V)
Offset
Error
(LSB)
G012
4
3
2
1
0
1
2
3
4
2.5
3
3.5
4
4.5
5
5.5
Reference Voltage (V)
Offset
Error
(LSB)
AVDD = 5.25 V
G014
4
3
2
1
0
1
2
3
4
40 25 10
5
20
35
50
65
80
95
110 125
Free-Air Temperature (°C)
Offset
Error
(LSB)
G013
6
4
2
0
2
4
6
2.7
3.2
3.7
4.2
4.7
5.2
5.7
AVDD, Analog Supply Voltage (V)
Gain
Error
(LSB)
G015
6
4
2
0
2
4
6
2.5
3
3.5
4
4.5
5
5.5
Reference Voltage (V)
Gain
Error
(LSB)
AVDD = 5.25 V
G017
6
4
2
0
2
4
6
40 25 10
5
20
35
50
65
80
95
110 125
Free-Air Temperature (°C)
Gain
Error
(LSB)
G016
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.
OFFSET ERROR vs ANALOG SUPPLY VOLTAGE
OFFSET ERROR vs REFERENCE VOLTAGE
Figure 7.
Figure 8.
OFFSET ERROR vs FREE-AIR TEMPERATURE
GAIN ERROR vs ANALOG SUPPLY VOLTAGE
Figure 9.
Figure 10.
GAIN ERROR vs REFERENCE VOLTAGE
GAIN ERROR vs FREE-AIR TEMPERATURE
Figure 11.
Figure 12.
Copyright
2011, Texas Instruments Incorporated
11
Product Folder Link(s): ADS7945 ADS7946
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