STA550 查看數據表（PDF） - STMicroelectronics

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STA550

70+70W STEREO BASH POWER AMPLIFIER

STMicroelectronics 

PIN FUNCTION

N°

Name

1

-Vs

2

CD-1

3

Att_Rel1

4

Out1+

5

Out1-

6

CD+1

7

Pwr_Inp1

8

In_pre1

9

Out_pre1

10

Trk_1

11

Stby/mute

12

Protection

13

Gnd

14

+Vs

15

CD+

16

Trk_out

17

Threshold

18

Trk_2

19

Out_pre2

20

In_pre2

21

Pwr_Inp2

22

CD+2

23

Out2-

24

Out2+

25

Att_Rel2

26

CD-2

27

-Vs

Description

Negative Bias Supply

Channel 1 Time varying tracking rail negative power supply

Attack release rate for channel 1

Channel 1 speaker positive output

Channel 1 speaker negative output

Channel 1 positive power supply

Input to channel 1 power stage

Pre-amp input for channel 1 (virtual ground)

Output channel 1 pre-amp

Absolute value block input for channel 1

Standby/mute input voltage control

Protection signal for STABP01 digital processor

Analog Ground

Positive Bias Supply

Time varying tracking rail positive power supply

Reference output for STABP01 digital processor

Compressor threshold input

Absolute value block input for channel 2

Output channel 2 pre-amp

Pre-amp input for channel 2 (virtual ground)

Input to channel 2 power stage

Channel 2 positive power supply

Channel 2 speaker negative output

Channel 2 speaker positive output

Attack release rate for channel 2

Channel 2 Time varying tracking rail negative power supply

Negative Bias Supply

STA550

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