PSB4595 Просмотр технического описания (PDF) - Siemens AG

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PSB4595

Analog Line Interface Solution ALIS

Siemens AG 

PSB 4595 / PSB 4596

Analog Line Interface Solution

Pin Definition and Functions

2.2 Pin Definition of ALIS-A PSB 4595

Pin No.

22

24

4

5

6

7

23

19

21

3

1

2

18

17

8

9

16

13

12

11

10

Symbol

VDDA

GNDA

Function

Power

Power

TIP

I

TIP_AC

I

RING

I

RING_AC I

T1G

O

T2G

O

VDD_SENS I

VREF

I/O

CAP1

I/O

CAP2

I/O

SI_0

I

SI_1

I

SO_0

O

SO_1Q

O

TEST

I

CAP_A21 I

CAP_A22 I

CAP_B21 O

CAP_B22 O

Descriptions

Programmable supply for the circuitry

Analog ground: All signals are referred to

this pin

TIP AC+DC sense input

TIP AC sense input

RING AC+DC sense input

RING AC sense input

Gate for external transistor T1 (AC/DC

control)

Gate for external transistor T2 (VDDA

control)

VDDA sense input

Reference voltage: Must be connected to

GNDA via an external capacitor of more

than 10 nF (typ. 15 nF)

Pin for external capacitor of more than 1

µF for DC filtering to pin Cap2

See Cap1

Auxiliary input pin 0

Auxiliary input pin 1

Auxiliary output pin 0

Auxiliary output pin 1

Must be connected permanently to GNDA

Must be connected via a capacitor of more

than 5pF to CAP_A11.

Must be connected via a capacitor of more

than 5pF to CAP_A12.

Must be connected via a capacitor of more

than 5pF to CAP_B11.

Must be connected via a capacitor of more

than 5pF to CAP_B12.

Semiconductor Group

11

Data Sheet 06.98

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