TDA7515 데이터 시트보기 (PDF) - STMicroelectronics

부품명

상세내역

제조사

TDA7515

RF front-end for AM/FM-DSP car radios with IF sampling

STMicroelectronics 

TDA7515

Block diagram and pin description

Table 1. 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 pin-diode 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

t(s) 11

VCCVCO Supply voltage VCO

12

GNDVCO VCO ground

uc 13

VCOB

Base VCO

d 14

VCOE

Emitter VCO

ro 15

VPLL

PLL supply voltage

P 16

LPAM/SW OP AMP input to PLL loop filter AM / switch output (optional)

te 17

LPOUT OPAMP output to PLL loop filter

le 18

LPREF Voltage reference for PLL

o 19

LPFM

OP AMP input to PLL loop filter FM

s 20

LPHC

High current PLL loop filter

b 21

GNDPLL PLL ground

- O 22

SCL

Bus connection (IIC clock)

) 23

SDA

Bus connection (IIC data)

t(s 24

IFAMAGCTC Time constant for AM IF AGC

c 25

Fref-

Reference frequency input

u 26

Fref+

Reference frequency input

rod 27

Vref

Reference voltage 5V

28

DAGC

Digital keying AGC input

P 29

IFGND IF ground

te30

IFOUT2 IF amplifier output

le 31

IFOUT1 IF amplifier output

so 32

VCCIF

Supply voltage for IF output

Ob 33

IFAGCTC IF AGC time constant

34

VCC

Supply voltage

35

IFINAM IF input for narrowband AM

36

GND

Ground

37

IFIN1

IF Input - signal

38

IFIN2

IF Input - blocked

39

MIXOUT1 Mixer output

40

MIXOUT2 Mixer output

41

AMAGCTC AM AGC time constant

42

FMIFAGCin IF input for FM AGC

43

AMIN2

AM RF input

44

AMIN1

AM RF input

3/7

Share Link: