
AD5172/AD5173
50
电位器模式TEMPCO ( PPM / ° C)
R
AB
= 10k
40
30
20
10
0
–10
–20
04103-0-047
0
–6
–12
0x80
0x40
0x20
0x10
0x08
0x04
0x02
–42
V
DD
= 2.7V
T
A
= -40°C至+ 85°C , -40°C至+ 125°C
增益(dB )
–18
–24
–30
–36
V
DD
= 5.5V
T
A
= -40°C至+ 85°C , -40°C至+ 125°C
0x01
–48
–54
0
32
64
96
128
160
192
224
256
1k
10k
100k
频率(Hz)
1M
代码(十进制)
图15. AD5172电位器模式温度系数ΔV
WB
/ ΔT主场迎战代码
图18.增益与频率对码,R
AB
= 50 k
0
–6
–12
–18
0x80
0x40
0x20
0
–6
–12
–18
0x10
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
–48
–54
04103-0-048
增益(dB )
–30
–36
–42
–48
–54
–60
10k
增益(dB )
–24
0x08
0x04
–24
–30
–36
–42
0x02 0x01
100k
频率(Hz)
1M
10M
1k
10k
100k
频率(Hz)
1M
图16.增益与频率对码,R
AB
= 2.5 k
图19.增益与频率对码,R
AB
= 100 k
0
–6
–12
–18
0x80
0x40
0x20
0x10
0
–6
–12
–18
100k
60kHz
50k
120kHz
10k
570kHz
2.5k
2.2MHz
增益(dB )
0x08
–30
0x04
–36
–42
–48
–54
04103-0-049
增益(dB )
–24
–24
–30
–36
–42
–48
–54
0x02
0x01
1k
10k
100k
频率(Hz)
1M
1k
10k
100k
频率(Hz)
1M
10M
图17.增益与频率对码,R
AB
= 10 k
图20. -3 dB带宽@代码= 0x80的
版本A |第9页的24
04103-0-052
–60
–60
04103-0-051
–60
04103-0-050
–30
–60