AD7112JR 查看數據表（PDF） - Analog Devices
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产品描述 (功能)
比赛名单
AD7112JR Datasheet PDF : 12 Pages
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0.4
VDD = +5V
0.2
TA = +25°C
0.0
*
*
*
**
**
*
*
*
*
*
**
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**
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–0.2
–0.4
–0.6
0 3 6 9 12 15 18 21 24 27 30
ATTENUATION – dB
Figure 14. Typical Attenuation Error for 0.75 dB Steps
1.0
VDD = +5V
0.5
0.0
–0.5
TA = +85°C
TA = +25°C
–1.0
0
6 12 18 24 30 36 42 48 54 60 66 72 78 84
ATTENUATION – dB
Figure 15. Typical Attenuation Error for 3 dB Steps vs.
Temperature
AD7112
MONOTONICITY FOR 1.5 dB ATTENUATION STEPS
0.75 dB ATTENUATION STEPS
0.375 dB ATTENUATION STEPS
2
85.5
1
+0.17
0
–0.17
–1
–2
0 6 12 18 24 30 36 42 48 54 60 66 72 78 84 90
ATTENUATION – dB
Figure 16. Accuracy Specification for B Grade Devices at
TA = +25°C
MONOTONICITY FOR 1.5 dB ATTENUATION STEPS
0.75 dB ATTENUATION STEPS
0.375 dB ATTENUATION STEPS
2
1
+0.17
0
–0.17
–1
–2
0 6 12 18 24 30 36 42 48 54 60 66 72 78 84 90
ATTENUATION – dB
Figure 17. Accuracy Specification for C Grade Devices at
TA = +25°C
REV. 0
–9–
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