TDA7513T Datasheet, PDF (11/59 Pages) STMicroelectronics – SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR

4.2 OSCILLATORS (VCC = 8V; Tamb =25°C)
Table 22. VCO
Symbol
Parameter
Vvco Oscillation level
C/N
Carrier to Noise ratio
Test Condition
Tuning Voltage = 4V
∆f = 1kHz
TDA7513T
Min Typ Max Unit
106
108 dBµV
85
dBc/Hz
Table 23. XTAL
Symbol
Parameter
Vxtal Oscillation level
FXTAL
Adjustment
min
frequency range
max
step
Test Condition
Min Typ Max Unit
@ XTAL gate
131
dBµV
referred to 10.25 MHz centered
-4
kHz
condition
+4
kHz
238
Hz
Table 24. Audio Processor
(V_S = 8V; T_amb = 25°C; R_L = 10kΩ; all gains = 0dB; f = 1kHz; unless otherwise specified)
Symbol
Parameter
Test Condition
INPUT GAIN
GIN MIN Min. Input Gain
GIN MAX Max. Input Gain
GSTEP Step Resolution
QUASI DIFFERENTIAL STEREO INPUT 1&2
Rin Input Resistance
Any input pin to gnd
CMRR Common Mode Rejection Ratio V_CM = 1V_RMS @ 1kHz
V_CM = 1V_RMS @ 10kHz
VOLUME CONTROL
GMAX Max Gain
ASTEP Step Resolution
EA Attenuation Set Error
G = -20 to 20dB
G = -60 to 20dB
ET Tracking Error
VDC DC Steps
Adjacent Attenuation Steps
From 0dB to GMIN
SOFT MUTE/AFS
AMUTE Mute Attenuation
TD Delay Time T1
T2
T3
T4
VTH low Low Threshold for SM-/AFS- Pin 1
Min. Typ. Max. Unit
-1
0
1
dB
13
15
17
dB
0.5
1
1.5
dB
70
100 130 kΩ
45
70
dB
45
60
dB
13
15
17
dB
0.5
1
1.5
dB
-1.25
0
1.25 dB
-4
0
3
dB
2
dB
mV
mV
80
100
dB
0.48
ms
0.96
ms
20.2
ms
40.4
ms
1
V
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