TDA7703R datasheet(8/32 Pages) STMICROELECTRONICS

8 / 32 page

Block diagram and pin description

TDA7703R

8/32

Rev 1.2

LNAIN2

AM LNA input 2nd stage

LNAOUT2

AM LNA output

LNADEC2

AM LNA decoupling 2nd stage

AMMIXIN

AM mixer input

VREF165

1.65 V reference voltage decoupling

VREFDEC

3.3 V reference voltage decoupling

GND-DIG

Digital GND

VCC-DIG

5 V supply for digital logic

VCCREG1V2

VCC of 1.2 V regulator

REG1V2

1.2 V regulator output

VDD-3V3

3.3 V VDD output / decoupling

SDA

I2C bus data

SCL

I2C bus clock

VDD-1V2

1.2 V DSP supply

RDSINT

RDS interrupt

RSTN

Reset pin (active low)

VDD-1V2

1.2 V DSP supply

GND-1V2

Digital GND for 1.2 V VDD

VCC-DAC

5 V supply of audio DAC

OSCOUT

Xtal osc output

OSCIN

Xtal osc input

GND-DAC

Audio DAC GND

DACOUTL

Audio output left

DACOUTR

Audio output right

GND-IFADC

IF ADC GND

VCC-IFADC

5 V supply of IF ADC

VCC-PLL

5 V supply of PLL

GND-PLL

PLL GND

VCC-VCO

5 V supply of VCO

GND-VCO

VCO GND

Table 2.

Pin description (continued)

Pin #

Pin name

Description

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