TDA7786 datasheet(9/54 Pages) STMICROELECTRONICS

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DocID026122 Rev 5

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TDA7786, TDA7786M

Block diagram and pin description

LNAout2

AM LNA

AM LNA output 2nd stage

LNAdec2

AM LNA decoupling 2nd stage

AMMIXin1

AM mixer

inputs

AM mixer input 1

AMMIXin2

AM mixer input 2

GNDSLINK

Supply,

ground and

reset

Internal inter-IC communication

bus ground

Vdig

Front-end digital 5 V supply

VCCreg1V2

Internal 1.2 V regulator 5 V supply

REG1V2

Out

Internal 1.2 V regulator output

Vreg3v3

Out

Internal 3.3 V regulator output

RSTN

Reset (low active)

Pull-up 50 kΩ to 3.3 V IO supply

RDSINT

Out

RDS interrupt output

Pull-down 50 kΩ to ground

SDA

In/Out

I2C interface

I2C bus data

Pull-up 50 kΩ to 3.3 V IO supply

SCL

I2C bus clock

Pull-up 50 kΩ to 3.3 V IO supply

VDD3V3

IO ring (3.3 V) supply

GND3V3

IO ring (3.3 V) supply

Table 2. Pin description (continued)

Pin name

I/O

Function

Description

Equivalent circuit

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TDA7786 数据表(PDF) 9 Page - STMicroelectronics

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