TDA8041H 查看數據表（PDF） - Philips Electronics

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TDA8041H

Quadrature demodulator controller

Philips Electronics 

CLK2

IDO0 to IDO2

31 to 33

3

LCKDAC

44

LCKTC

1

LCKO

2

I ana

Vref(pos)

Vref(mid)

Vref(neg)

mode

control

BQN

AFC1

AFC2

TEST

Q ana

I bias

18

A4

ADC

LOGIC

4

I (3..0)

LOCK data LCK 4

DAC

I LCK

DETECTOR

4

LCKIO

VDD

R4

7

R3

8

R2

9

R1

VSS

38

36

37

40

TDA8041H

CLK1

Vref(mid)

CARRIER data CAR 4

RECOVERY

DAC

I CAR

LOGIC

CLK1

Vref(mid)

V th

AFC2

data AFC2 5

DAC

I AFC2

AGC

CLK1

data AGC 2

DAC

I AGC

3

LCKTH

15

CARTC

16

CARO

39

SWEEP

14

SWPO

10

AFC2O

12

AGCTC

13 AGCO

19

ADC A 4

LOGIC

4

CLK2

I bias

41

BIAS

I bias

GENERATOR Ibias

ADC 3

DAC

OPAMP

CLK1

Q (3..0)

CLOCK data

RECOVERY

CLK

5

DAC

Vref(mid)

I CLK

CLK1

CLK1

Vref(mid)

CLK2

CLK1

21

CLKRTC

22

CLKRO

23

CLKIX

25

2

CLKSR

26 to 28 5 6

11 17

20 24 29 30

34 35 42 43

MBE167

QDO0 to QDO2

VSS(A)

VSSA(C)

VSS1

VDD(I/O)

VDDD

VSS(C)

VDD(A)

VSS2

VDDA(C) VSS(I/O)

VSSD

VDD(C)

Fig.1 Block diagram.

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