TDA7405_04 STMICROELECTRONICS [STMicroelectronics], TDA7405_04 Datasheet - Page 25

• Manufacturer Part Number: TDA7405_04
• Description: EQUALIZER CARRADIO SIGNAL PROCESSOR
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Table 7. ELECTRICAL CHARACTERISTICS (continued)
V
modulation frequency = 1kHz, input gain = 6dB, T
7
Note 1. Intermodulation Suppression
measured with: 91% pilot signal; fm = 10 kHz or 13 kHz.
Note 2. Traffic Radio (V.F.) Suppression
measured with: 91% stereo signal; 9% pilot signal; fm=1kHz; 5% subcarrier (f=57kHz, fm=23Hz AM, m=60%)
Note 3. SCA ( Subsidiary Communications Authorization )
measured with: 81% mono signal; 9% pilot signal; fm=1kHz; 10%SCA - subcarrier ( fs = 67kHz, unmodulated ).
Traffic Radio (Note 2)
SCA - Subsidiary Communications Authorization (Note 3)
ACI - Adjacent Channel Interference (Note 4)
Symbol
S
= 9V, deemphasis time constant = 50µs, MPX input voltage V
190
114
57
67
2
3
NOTES TO THE CHARACTERISTICS
f
f
Signal f=57kHz
Signal f=67kHz
Signal f=114kHz
Signal f=190kHz
mod
mod
=10kHz, f
=13kHz, f
Parameter
spur
spur
67
2
3
=1kHz
=1kHz
=
=
=
57 V.W.F.
--------------------------------------------------------------- - ƒ
V
--------------------------------------------------------------- - ƒ
V
--------------------------------------------------------------- - ƒ
V
V
V
o
o
V
o
o
o
spur iou s a t1kHz
spur iou s a t1kHz
o
spu rio us at9kHz
signa l at1kH z
signa l at1kH z
sign al at1 kHz
=
------------------------------------------------------------------------------------ -
V
o
Test Conditions
sp urious at1kH z±23kHz
amb
V
o
sig nal a t1kHz
= 27°C, unless otherwise specified.
;
;
;
s
s
s
=
=
=
2 10kHz
3 13kHz
3 38kHz
MPX
Min.
–
–
–
19kHz
38kHz
= 500mV (75kHz deviation),
67kH z
Typ.
65
75
70
75
95
84
Max.
TDA7405
Unit
dB
dB
dB
dB
dB
dB
25/57