PEF2466(2001) Ver la hoja de datos (PDF) - Infineon Technologies

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componentes Descripción

Fabricante

PEF2466
(Rev.:2001)

Four Channel Codec Filter with PCM and Microcontroller Interface SICOFI®4-µC

Infineon Technologies 

PEB 2466

PEF 2466

Pin Descriptions

Pin Symbol Type Function

Ch.

54 GNDA2

I

Analog Ground, Channel 2

Not internally connected to GNDD or GNDA 1,3,4.

2

55

VIN2

I

Analog Voice (Voltage) Input, Channel 2

Requires a coupling capacitor >39 nF to the SLIC.

2

56 VREF

I/O

Reference Voltage

Must connect to a 220 nF cap. to ground.

all

57 VDDREF

I

Analog Supply Reference Voltage

+5 V (100 nF blocking capacitor required).

all

58

VIN3

I

Analog Voice (Voltage) Input, Channel 3

Requires a coupling capacitor >39 nF to the SLIC.

3

59 GNDA3

I

Analog Ground, Channel 3

Not internally connected to GNDD or GNDA1,2,4.

3

60 VOUT3

Analog Voice (Voltage) Output, Channel 3

O

Requires a coupling capacitor to the SLIC. The capacitor

value depends on the SLIC’s input impedance.

3

(See Chapter 5.1 Analog Interface)

61 VDDA34

I

Analog Supply Voltage, Channels 3 and 4

+5 V (100 nF blocking capacitor required).

3

62 VOUT4

Analog Voice (Voltage) Output, Channel 4

O

Requires a coupling capacitor to the SLIC. The capacitor

value depends on the SLIC’s input impedance.

4

(See Chapter 5.1 Analog Interface)

63 GNDA4

I

Analog Ground, Channel 4

Not internally connected to GNDD or GNDA1,2,3.

4

64

VIN4

I

Analog Voice (Voltage) Input, Channel 4

Requires a coupling capacitor >39 nF to the SLIC.

4

Hardware Reference Manual

9

2001-02-20

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