TDA7706 Datasheet, PDF (8/16 Pages) STMicroelectronics – Highly integrated tuner for AM/FM car-radio

Block diagram and pin description
Table 2. Pin description (continued)
Pin
Pin name
I/O
Function
52 OSCin
In
Description
Crystal oscilllator input
TDA7706
Equivalent circuit
-
53 OSCout
Oscillator
Out
Crsystal oscillator output
54 GND-REF
-
-
Front-end reference frequency and
regulator ground
'!0'03
-
55 Vrefdec
-
-
56 GND-ADC_DAC
57 DACoutL
58 DACoutR
-
Out
DAC
Out
59 VCC-ADC_DAC
60 VCC-PLL
61 GND-PLL
62 PLLtest
In
In
-
PLL
Out
3.3 V Bias generation decoupling
IFADC and audio DAC ground
Audio output left
Audio output right
IFADC and audio DAC 5V supply
Tuning PLL 5V supply
Tuning PLL ground
PLL Test output
63 TCFM
64 TVDAC
-
-
Out -
FM AGC time constant
Tuning voltage output
'!0'03
-
'!0'03
-
-
-
'!0'03
'!0'03
-
8/16
Doc ID 022898 Rev 3