AD7843ARU(Rev0) 查看數據表（PDF） - Analog Devices
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AD7843ARU Datasheet PDF : 16 Pages
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7.5
6.5
5.5
4.5
3.5
2.5
1.5
0.5
10
25
40
55
70
85 100 115 130
SAMPLE RATE – kHz
TPC 7. Reference Current vs. Sample Rate
AD7843
14
13
12
11
10
9
8
7
6
5
4
3
2
–40
–20
0
20
40
60
80
TEMPERATURE – ؇C
TPC 10. Reference Current vs. Temperature
10
9
Y+
X+
8
7
6
X–
Y–
5
4
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
+VCC –V
TPC 8. Switch-On-Resistance vs. +VCC (X+, Y+: +VCC to
Pin; X–, Y–: Pin to GND)
2.0
1.8
1.6
INL: R = 2k⍀
1.4
1.2
INL: R = 500⍀
1.0
0.8
DNL: R = 2k⍀
0.6
0.4
DNL: R = 500⍀
0.2
0
15 35 55 75 95 115 135 155 175 195
SAMPLING RATE – kSPS
TPC 9. Maximum Sampling Rate vs. RIN
9
8
Y+
X+
7
X–
6
Y–
5
4
3
–40
–20
0
20
40
60
TEMPERATURE – ؇C
80
100
TPC 11. Switch-On-Resistance vs. Temperature (X+, Y+:
+VCC to Pin; X–, Y–: Pin to GND)
0
fSAMPLE = 125kHz
20
fIN = 15kHz
SNR = 68.34dB
40
60
80
100
120
0
7.50 15.0 22.5 30.0 37.5 45.0 52.5 60.0
FREQUENCY – kHz
TPC 12. Auxiliary Channel Dynamic Performance
REV. 0
–7–
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