TDA6509ATT datasheet(5/42 Pages) PHILIPS

5 / 42 page

2005 Mar 25

Philips Semiconductors

Product speciﬁcation

3-band mixer/oscillator and PLL for

terrestrial tuners

TDA6508; TDA6508A;

TDA6509; TDA6509A

BLOCK DIAGRAM

mdb250

REFERENCE

DIVIDER

64, 80, 128

CRYSTAL

OSCILLATOR

4 MHz

15-BIT

PROGRAMMABLE

DIVIDER

15-BIT

FREQUENCY

PHASE

COMPARATOR

IN-LOCK

DETECTOR

CHARGE

PUMP

TUNE

AMP

T0 RSA RSB WSB

CONTROL

I2C-BUS / 3-WIRE BUS

TRANSCEIVER

3-BIT ADC

PORT

fref

1/2fdiv

fdiv

GATE

RF INPUT

VHF

LOW BAND

VHF

LOW BAND

MIXER

VHF

LOW BAND

OSCILLATOR

RF INPUT

VHF

HIGH BAND

VHF

HIGH BAND

MIXER

VHF

HIGH BAND

OSCILLATOR

T0, T1, T2

RSA

RSB

LOW_RFIN

RF_GND

MID_RFIN1

MID_RFIN2

XTAL_REF

SCL

SDA

VCC

LOW_OSCOUT

LOW_OSCIN

OSC_GND

MID_OSCIN1

MID_OSCIN2

PLL_GND

ADC/P4

5 (28)

6 (27)

3 (30)

4 (29)

(16)

16 (17)

15 (18)

21 (12)

18 (15)

14 (19)

11 (22) 12 (21) 13 (20)

29 (4)

28 (5)

30 (3)

32 (1)

31 (2)

25 (8)

TDA6508

TDA6508A

(TDA6509)

(TDA6509A)

RF INPUT

UHF

BAND

UHF

MIXER

UHF

OSCILLATOR

HIGH_RFIN1

HIGH_RFIN2

HIGH_OSCIN1

HIGH_OSCIN2

IFAMP_OUT1

IFAMP_OUT2/

IF_GND

IFAMP_IN1

IFAMP_IN2

MIX_OUT1

MIX_OUT2

1 (32)

2 (31)

27 (6)

23 (10)

24 (9)

9 (24)

10 (23)

7 (26)

8 (25)

19 (14)

20 (13)

22 (11)

26 (7)

FILTER BUFFER

SYMMETRICAL/ASYMMETRICAL IFAMPLIFIER

PLL SYNTHESIZER

WEAK SIGNAL BOOSTER

SAW DRIVER

WSB

Fig.1 Block diagram.

(1) ‘A’ versions only.

The pin numbers in parenthesis refer to versions TDA6509 and TDA6509A.

TDA6509ATT 数据表(PDF) 5 Page - NXP Semiconductors

TDA6509ATT 数据表(HTML) 5 Page - NXP Semiconductors

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TDA6509ATT 数据表(PDF) 5 Page - NXP Semiconductors

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