SAA7126 Просмотр технического описания (PDF) - Philips Electronics

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производитель

SAA7126

Digital video encoder

Philips Electronics 

Philips Semiconductors

Digital video encoder

4 QUICK REFERENCE DATA

SYMBOL

VDDA

VDDD

IDDA

IDDD

Vi

Vo(p-p)

RL

LElf(i)

LElf(d)

Tamb

PARAMETER

analog supply voltage

digital supply voltage

analog supply current

digital supply current

input signal voltage levels

analog output signal voltages Y, C and CVBS

without load (peak-to-peak value)

load resistance

low frequency integral linearity error

low frequency differential linearity error

ambient temperature

5 BLOCK DIAGRAM

Product specification

SAA7126H; SAA7127H

MIN.

TYP.

MAX.

3.15

3.3

3.45

3.0

3.3

3.6

−

77

100

−

37

46

TTL compatible

1.30

1.45

1.55

UNIT

V

V

mA

mA

V

75

−

−

−

−

−

0

−

300

Ω

±3

LSB

±1

LSB

70

°C

handbook, full pagewidth

RESET SDA SCL

XTALI RCV1 TTXRQ LLC1

XTAL RCV2 XCLK

VDDA2 VDDA4

VDDA1 VDDA3

40 42 41

35 34 7 8 43 37 4

25 28 31 36

20

VDD(I2C)

21

SA

I2C-BUS

INTERFACE

SYNC / CLOCK

1

RES

I2C-bus

control

I2C-bus

control

SAA7126H

SAA7127H

clock

and timing

I2C-bus

control

I2C-bus

control

MP7

to

MP0

9 to 16

MP1 DATA

MANAGER

Y

CB−CR

ENCODER

Y

C

OUTPUT

INTERFACE

D

30

MP2

TTX 44

24, 27

n.c.

I2C-bus

control

Y

CB−CR

I2C-bus

control

RGB

PROCESSOR

23

26

29

A

CVBS

RED

GREEN

BLUE

5 18 38

6 17 39

19

23

VSSD1 VSSD3 VDDD1 VDDD3

VSSD2

VDDD2

RTCI

SP AP

22 32 33

VSSA1 VSSA3

VSSA2

MHB498

Fig.1 Block diagram.

2002 Oct 15

4

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