PBL3852 查看數據表（PDF） - Ericsson

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PBL3852

Universal Transmission Circuit

Ericsson  

PBL 3852

Pin Description

DIP

SO

Symbol

1

1

+L

2

2

TO

3

3

TI

4

4

+C

5

5

DCC

6

6

MUTE

7

7

RCT

8

8

DC2

9

9

DC1

10

NC

11

NC

10

12

GR

11

13

MO

12

14

MI1

13

15

MI2

14

16

-L

15

17

RI

16

18

RO1

17

19

RO2

18

20

PD

Description

Positive line terminal

Slope setting for DC characteristic and sidetone balancing signal output

Transmitter amplifier input

Internal power supply

Line voltage DC level adjustment input

Transmitter and receiver amplifier mute input

Dynamic limiter ”soft clipping” input

DC supply 2 output, typically 3.7 V

DC supply 1 output, typically 2.1 V

Not connected

Not connected

The output of the rectifier to the dynamic limiter and gain regulation input

Microphone amplifier output

Microphone amplifier non-inverting input

Microphone amplifier inverting input

Negative line terminal

Receiver amplifier input

Receiver amplifier inverting output

Receiver amplifier non-inverting output

Power down input

+L 1

TO 2

TI 3

+C 4

DCC 5

Mute 6

RCT 7

DC2 8

DC1 9

18 PD

17 RO2

16 RO1

15 RI

14 -L

13 MI 2

12 MI 1

11 MO

10 GR

DIP

Figure 5. Pin configuration.

4

+L 1

TO 2

TI 3

+C 4

DCC 5

Mute 6

RCT 7

DC2 8

DC1 9

NC 10

20 PD

19 RO2

18 RO1

17 RI

16 -L

15 MI 2

14 MI 1

13 MO

12 GR

11 NC

SO

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