NXP Semiconductors TDA8752B Manuel d'utilisateur télécharger pdf (Page 6)

Philips Semiconductors

TDA8752B

Triple high-speed Analog-to-Digital Converter 110 Msps

Product speciﬁcation Rev. 03 — 21 July 2000 6 of 38

9397 750 07338

© Philips Electronics N.V. 2000. All rights reserved.

Fig 3. PLL diagram.

FCE465

PHASE

FREQUENCY

DETECTOR

I

2

C-bus; 5 bits

(Ip, Up, Do)

I

2

C-bus; 1 bit

(Vlevel)

I

2

C-bus; 12 bits (Di)

I

2

C-bus;

1 bit (Ckb)

phase selector A

I

2

C-bus;

5 bits (Pa)

I

2

C-bus;

1 bit (Cka)

I

2

C-bus;

1 bit (Ckab)

edge selector

I

2

C-bus;

1 bit

(Edge)

CLKADC

I

2

C-bus;

2 bits (Vco)

C

Z

loop filter

I

2

C-bus;

3 bits (Z)

12 to

100 MHz

DIV N (100 to 4095)

0°/180°

MUX

SYNCHRO

MUX

MUX

NCKBO

C

P

CZ CP

COAST

CKEXT INV

VCO

CKADCO

CKAO

CKREFO

CKREF

phase selector B

I

2

C-bus; 5 bits (Pb)

CKBO

1 2 3 4 5 6 7 8 9 10 11 ... 37 38

TDA8752B 1

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