beautypg.com

4 dc volume table – Texas Instruments TPA2008D2 User Manual

Page 25

background image

DC Volume Table

3-5

Reference

3.4

DC Volume Table

Table 3–2. DC Volume Control

Voltage on VOLUME Pin (V)

(Increasing or Fixed Gain)

Voltage on VOLUME Pin (V)

(Decreasing Gain)

Gain of Amplifier

(dB)

0–0.34

0.31–0

–38

0.34–0.42

0.43–0.32

–37

0.43–0.52

0.54–0.44

–35

0.53–0.63

0.64–0.55

–33

0.64–0.75

0.75–0.65

–31

0.76–0.86

0.86–0.76

–29

0.87–0.97

0.97–0.87

–27

0.98–1.07

1.08–0.98

–25

1.08–1.18

1.19–1.09

–23

1.19–1.3

1.32–1.2

–21

1.31–1.41

1.42–1.33

–19

1.42–1.52

1.53–1.43

–17

1.53–1.63

1.63–1.54

–15

1.64–1.75

1.75–1.64

–13

1.76–1.85

1.84–1.76

–12

1.86–1.96

1.96–1.85

–10

1.97–2.07

2.09–1.97

–8

2.08–2.18

2.19–2.1

–6

2.19–2.3

2.33–2.2

–4

2.31–2.4

2.43–2.34

–2

2.41–2.52

2.49–2.44

0

2.53–2.63

2.62–2.5

2

2.64–2.75

2.75–2.63

4

2.76–2.87

2.85–2.76

6

2.88–2.98

2.99–2.86

8

2.99–3.1

3.12–3

10

3.11–3.22

3.25–3.13

12

3.23–3.33

3.36–3.26

14

3.34–3.47

3.48–3.37

16

3.48–3.69

3.64–3.49

18

3.70–V

DD

V

DD

–3.65

20

Note:

See the TPA2008D2 data sheet, literature number SLOS413 for more information.