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TDA7705TR Datasheet(PDF) 8 Page - STMicroelectronics

Part # TDA7705TR
Description  Highly integrated tuner for AM/FM car radio
PDF  42 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7705TR Datasheet(HTML) 8 Page - STMicroelectronics

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Block diagram and pins description
TDA7705
8/42
Doc ID 15938 Rev 9
17
LNAdec
AM LNA decoupling
18
LNAout
AM LNA output first stage
19
LNAin2
AM LNA input 2nd stage
20
LNAout2
AM LNA output
21
LNAdec2
AM LNA decoupling 2nd stage
22
AMMIXin2
AM mixer input 2
23
AMMIXin1
AM mixer input 1
24
AMMIXdec
AM mixer decoupling
25
GND-IF
IF and Vref GND
26
VREF165
1.65V reference voltage decoupling
27
VREFdec
3.3V reference voltage decoupling
28
GND-DIG
Digital GND
29
VCC-DIG
5V supply for digital logic
30
VCCreg1V2
VCC of 1.2V regulator
31
REG1V2
1.2V regulator output
32
VDD-3V3
3.3V VDD output / decoupling
33
GND-3V3
3.3V VDD GND
34
SPI_CS
SPI chip select
35
SPI_MISO
SPI Data output
36
SDA / SPI_MOSI I2C bus data / SPI data input
37
SCL / SPI_CLK
I2C bus Clock / SPI clock
38
VDD-1V2
1.2V DSP supply
39
RDSINT
RDS interrupt
40
GPIO3
Reserved
41
GPIO2
Reserved
42
GPIO 1
Reserved
43
GPIO 0
Reserved
44
MODE
For debug purpose only, connected to GND
45
RSTN
Reset pin (active low)
46
TEST
Test input
47
VDD-1V2
1.2V DSP supply
48
GND-1V2
Digital GND for 1.2V VDD
49
VCC-DAC
5V supply of audio DAC
50
OSCout
Xtal osc output
51
OSCin
Xtal osc input
Table 2.
Pin description (continued)
Pin #
Pin name
Function



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