MC14555 Ver la hoja de datos (PDF) - Motorola => Freescale

Número de pieza

componentes Descripción

Lista de partido

MC14555

PCM Codec-Filter

Motorola => Freescale 

PIN ASSIGNMENTS

MC145554, MC145557

VBB 1

GNDA 2

VFRO 3

VCC 4

FSR 5

DR 6

BCLKR/ CLKSEL 7

MCLKR/ PDN 8

16 VFXI +

15 VFXI –

14 GSX

13 TSX

12 FSX

11 DX

10 BCLKX

9 MCLKX

MC145564, MC145567

VPO + 1

GNDA 2

VPO – 3

VPI 4

VFRO 5

VCC 6

FSR 7

DR 8

BCLKR/ CLKSEL 9

MCLKR/ PDN 10

20 VBB

19 VFXI +

18 VFXI –

17 GSX

16 ANLB

15 TSX

14 FSX

13 DX

12 BCLKX

11 MCLKX

GSX ANLB*

FUNCTIONAL BLOCK DIAGRAM

VCC GNDA VBB

MCLKR/ BCLKR/

FSX FSR MCLKX BCLKX PDN CLKSEL

VFXI –

–

VFXI +

+

RC ACTIVE

LOW–PASS

FILTER

VPO +

–1

*

–

VPO –

*

+

VPI*

BAND–GAP

VOLTAGE

REF

VFRO

RC ACTIVE

LOW–PASS

FILTER

* MC145564 and MC145567 only.

5–POLE SC

LOW–PASS

FILTER

RDAC

3–POLE

HIGH–PASS

AND S/H

4

CDAC

INTERNAL SEQUENCING

AND CONTROL

TSX

COMP

SAR

8

REG

TRANSMIT

SHIFT

DX

REG

5–POLE SC

LOW–PASS

FILTER

4

MUX

8 RECEIVE

LATCH

S/H

RECEIVE

SHIFT

DR

REG

MC145554•MC145557•MC145564•MC145567

2

MOTOROLA

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