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ADS7945 データシート(PDF) 15 Page - Texas Instruments

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部品番号 ADS7945
部品情報  14-Bit, 2 MSPS, Dual-Channel, Differential/Single-Ended, Ultralow-Power Analog-to-Digital Converters
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
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ADS7945 データシート(HTML) 15 Page - Texas Instruments

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2.5
3
3.5
4
4.5
5
−40 −25 −10
5
20
35
50
65
80
95
110 125
Free-Air Temperature (°C)
G002
0
0.5
1
1.5
2
2.5
3
3.5
4
0
100
200
300
400
500
600
700
AVDD = 5 V
AVDD = 3 V
Throughput (kSPS)
G005
1
1.5
2
2.5
3
2.7
3.2
3.7
4.2
4.7
5.2
5.7
AVDD, Analog Supply Voltage (V)
G003
1
1.5
2
2.5
3
−40 −25 −10
5
20
35
50
65
80
95
110 125
Free-Air Temperature (°C)
G004
−1
−0.5
0
0.5
1
1.5
0
2048
4096
6144
8192 10240 12288 14336 16384
ADC output Code (LSB)
G037
−1.5
−1
−0.5
0
0.5
1
1.5
0
2048
4096
6144
8192 10240 12288 14336 16384
ADC Output Code (LSB)
G036
ADS7945
ADS7946
www.ti.com
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.
ANALOG SUPPLY CURRENT (Dynamic)
ANALOG SUPPLY CURRENT (Dynamic)
vs FREE-AIR TEMPERATURE
vs SAMPLE RATE
Figure 31.
Figure 32.
ANALOG SUPPLY CURRENT (Static)
ANALOG SUPPLY CURRENT (Static)
vs ANALOG SUPPLY VOLTAGE
vs FREE-AIR TEMPERATURE
Figure 33.
Figure 34.
DNL
INL
Figure 35.
Figure 36.
Copyright
© 2011, Texas Instruments Incorporated
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