TDA7515

2/5

2

PIN CONNECTION

3

PIN DESCRIPTION

Pin No.

Pin Name

Function

1

AMRFAGCin

AM AGC Input for RF detection

2

AMRFAGCout

AM AGC output for RF AGC

3

AMPINDR

AM AGC PIN-diode driver

4

FMPINDR

FM AGC Pindiode driver

5

FMIN1

FM Mixer Input 1

6

RFGND

RF Ground

7

FMIN2

FM Mixer Input 2

8

FMAGCTC

FM AGC time constant

9

TV1

Tuning voltage 1 output

10

TV2

Tuning voltage 2 output

11

VCCVCO

Supply Voltage VCO

12

GNDVCO

VCO Ground

13

VCOB

Base VCO

14

VCOE

Emitter VCO

15

VPLL

PLL Supply Voltage

16

LPAM/SW

OP AMP Input to PLL Loop Filter AM / switch output (optional)

17

LPOUT

OPAMP output to PLL Loop Filter

18

LPREF

Voltage Reference for PLL

19

LPFM

OP AMP Input to PLL Loop Filter FM

20

LPHC

High Current PLL Loop Filter

1

23

4

5

67

8

9

10 11

25 24 23

22

21

20

19

18

17

16

15

14

13

12

44

43

42

41

40

39

38

37

36

35

33 32 31 30 29 28 27 26

34

00AT0036

MIXOUT1

AMIN1

AMIN2

FMIFAGCin

AMAGCTC

MIXOUT2

IFIN2

IFIN1

GND

IFINAM

VCC

SCL

GNDPLL

LPHC

LPFM

LPAM/SW

LPREF

LPOUT

VPLL

VCOE

VCOB

GNDVCO