AD5245 查看數據表（PDF） - Analog Devices
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AD5245 Datasheet PDF : 20 Pages
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AD5245
200
150
100
50
0
–50
0
32
64
96 128 160 192 224 256
CODE (Decimal)
Figure 16. Rheostat Mode Tempco ∆RWB/∆T vs. Code
160
140
120
100
80
60
40
20
0
–20
0
32
64
96 128 160 192 224 256
CODE (Decimal)
Figure 17. Potentiometer Mode Tempco ∆VWB/∆T vs. Code
REF LEVEL
0.000dB
0
–6
–12
–18
–24
–30
–36
–42
/DIV
6.000dB
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
MARKER 1 000 000.000Hz
MAG (A/R) –8.918dB
–48
–54
–60
1k
10k
START 1 000.000Hz
100k
1M
STOP 1 000 000.000Hz
Figure 18. Gain vs. Frequency vs. Code, RAB = 5 kΩ
REF LEVEL
0.000dB
0
–6
–12
–18
–24
–30
–36
–42
/DIV
6.000dB
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
MARKER 510 634.725Hz
MAG (A/R) –9.049dB
–48
–54
–60
1k
10k
START 1 000.000Hz
100k
1M
STOP 1 000 000.000Hz
Figure 19. Gain vs. Frequency vs. Code, RAB = 10 kΩ
REF LEVEL
0.000dB
0
–6
–12
–18
–24
–30
–36
–42
–48
/DIV
6.000dB
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
MARKER 100 885.289Hz
MAG (A/R) –9.014dB
–54
–60
1k
10k
START 1 000.000Hz
100k
1M
STOP 1 000 000.000Hz
Figure 20. Gain vs. Frequency vs. Code, RAB = 50 kΩ
REF LEVEL
0.000dB
0
–6
–12
–18
–24
–30
–36
–42
–48
/DIV
6.000dB
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
–54
–60
1k
10k
START 1 000.000Hz
MARKER 54 089.173Hz
MAG (A/R) –9.052dB
100k
1M
STOP 1 000 000.000Hz
Figure 21. Gain vs. Frequency vs. Code, RAB = 100 kΩ
Rev. B | Page 10 of 20
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