TDA7705_10 Datasheet, PDF (19/42 Pages) STMicroelectronics – Highly integrated tuner for AM/FM car radio

TDA7705
Electrical specifications
3.4.3 VCO
Table 9. VCO
Symbol
Parameter
F_VCO Frequency range VCO
PN
Phase noise of LO
dev
Deviation error (rms)
3.4.4 Phase locked loop
Test condition
-
Locked VCO;
values referred @ 100MHz
@ 100 Hz
@ 1 kHz
@ 10 kHz
FM reception, deemphasis
50µs, f_audio = 20 Hz...20 kHz
Min
1100
-
-
Typ Max Units
1550 MHz
-100
-115
-115
5
- dBc/Hz
-
Hz
Table 10. Phase locked loop
Symbol
Parameter
T_settle
FM step
AM step
Settling time FM
FM frequency step
AM frequency step
Test condition
Δf < 10 kHz
-
-
Min
Typ
Max Units
-
300
-
µs
-
5
-
kHz
-
500
-
Hz
3.4.5 Tuning DAC
Table 11. Tuning DAC
Symbol
Parameter
Res Resolution
V_outmin
V_outmax
R_out
DNL
Min output voltage
Max ouput voltage
Output impdedance
Diff. Non linearity
T_conv Conversion time
3.4.6 IF ADC
Test condition
8 bit
-
-
-
-
-
Min
Typ
Max
-
18
-
-
0.6
0.7
VCC-0.2 VCC-0.1
-
1.5
2.5
3.5
-
-
0.5
-
20
-
Units
mV
V
V
kΩ
LSB
µs
Table 12. IF ADC
Symbol
Parameter
Test condition
DR_FM
V_{N,in FM}
DR_AM
V_{N,in AM}
Dynamic range in FM
Input noise referred to mixer input
Dynamic range in AM
Input noise referred to mixer input
BW = ±200 kHz
mixer 1
mixer 2
BW = ±4 kHz
-
Min
Typ
Max Units
-
90
-
dB
1.1
1.9
-
nV/√Hz
0.7
1.2
-
103
-
dB
-
6.9
12 nV/√Hz
Doc ID 15938 Rev 8
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