UPA2008

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

6 of 8

www.unisonic.com.tw

QW-R107-068.a



TYPICAL DC VOLUME CONTROL

VOLTAGE ON VOLUME PIN

(V)

(INCREASING OR FIXED GAIN)

VOLTAGE ON VOLUME PIN

(V)

(DECREASING GAIN)

TYPICAL GAIN OF AMPLIFIER

(dB)

(Note 1)

0-0.33

0.31-0

-38 (Note 2)

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

1.19-1.30

1.32-1.20

-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

2.19-2.10

-6

2.19-2.30

2.33-2.20

-4

2.31-2.40

2.43-2.34

-2

2.41-2.52

2.49-2.44

0 (Note 2)

2.53-2.63

2.62-2.50

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

2.99-3.10

3.12-3.00

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

20 (Note 2)

Notes: 1. The typical part-to-part gain variation can be as large as ±2dB (one gain step)

2. Tested in production