AD7112

REV. 0

–9–

*

0.4

–0.6

30

0.0

–0.4

3

–0.2

0

0.2

27

24

21

18

15

12

9

6

ATTENUATION – dB

**

* * *

* *

*

**

* * *

* *

*

*

*

* * *

* *

*

*

* *

* * * ***

*

*

* *

* *

*

Figure 14. Typical Attenuation Error for 0.75 dB Steps

1.0

–1.0

078

0.5

–0.5

6

0.0

66

72

60

48

42

36

30

24

18

12

54

84

ATTENUATION – dB

Figure 15. Typical Attenuation Error for 3 dB Steps vs.

Temperature

1

–2

0

90

2

–1

6

0

78 84

72

66

60

54

18

12

48

42

36

30

24

ATTENUATION – dB

+0.17

–0.17

85.5

0.375 dB ATTENUATION STEPS

MONOTONICITY FOR 1.5 dB ATTENUATION STEPS

0.75 dB ATTENUATION STEPS

Figure 16. Accuracy Specification for B Grade Devices at

1

–2

0

90

2

–1

6

0

78 84

72

66

60

54

18

12

48

42

36

30

24

ATTENUATION – dB

+0.17

–0.17

0.375 dB ATTENUATION STEPS

0.75 dB ATTENUATION STEPS

MONOTONICITY FOR 1.5 dB ATTENUATION STEPS

Figure 17. Accuracy Specification for C Grade Devices at

°C