TDA7541B Datasheet, PDF (21/77 Pages) STMicroelectronics – AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system

TDA7541B
Electrical specifications and characteristics
Table 8. Stereo decoder section (continued)
Item Symbol
Parameter
Test conditions
31.9 VHCH_step Step resolution
HCHT
31.10 VHCL_min Min. voltage for full high cut HCLT
31.11 VHCL_max Max. voltage for full high cut HCLT
31.12 VHCL_step Step resolution
HCLT
32. Carrier and harmonic suppression at the output
32.1 a19 Pilot signal f = 19 kHz
-
32.2 a38 Subcarrier f = 38 kHz
-
32.3 a57 Subcarrier f = 57 kHz
-
32.4 a76 Subcarrier f = 76 kHz
-
33. Intermodulation ⁽¹⁾
33.1
a2
f_mod = 10 kHz, f_spur =1 kHz -
33.2
a3
f_mod = 13 kHz, f_spur =1 kHz -
34. Traffic radio ⁽²⁾
34.1 a57 Signal f = 57 kHz
-
35. SCA ⁽³⁾
35.1 a67 Signal f = 67 kHz
-
36. ACI – adjacent channel interference ⁽⁴⁾
36.1 a114 Signal f = 114 kHz
-
36.2 a190 Signal f = 190 kHz
-
37. FM noise blanker
37.1
37.2
37.3
V_TRMIN Min. trigger threshold ⁽⁵⁾
V_TRMAX Max. trigger threshold ⁽⁵⁾
V_TRNOISE
Min. noise controlled
trigger threshold
V_PEAK=0.8 V, NBLT “111”
V_PEAK=0.8 V, NBLT “000”
V_PEAK = 1.5 V, NBCT “11”
37.4
V_TRNOISE
Max. noise controlled
trigger threshold
V_PEAK = 1.5 V, NBCT “00”
37.5
37.6
V_PEAK Peak voltage
V_PEAK Peak voltage
NBRR “00”, V_MPX = 0 mV
NBRR “00”, V_MPX = 50 mV,
f = 150 kHz
37.7 V_PEAK Peak voltage
NBRR “00”, V_MPX = 200 mV,
f = 150 kHz
37.8
V_PEAKDEV
Min. deviation dependent
peak voltage
V_MPX = 500 mV,
NBDC = 11 (“OFF”)
37.9
V_PEAKDEV
Max. deviation dependent
peak voltage
V_MPX = 500 mV, NBDC= 00
Min. Typ. Max. Unit
7
8
9 %V_REF1
6 11 16 %VHCH
28 33 38 %VHCH
6.5 7.3 8.1 %VHCH
45 50
-
dB
-
75
-
dB
-
62
-
dB
-
90
-
dB
-
65
-
dB
-
75
-
dB
65 70
-
dB
-
75
-
dB
-
95
-
dB
-
84
-
dB
-
147
-
mV_OP
-
280
-
mV_OP
-
450
-
mV_OP
- 1200 -
- 0.8 -
- 1.9 -
mV_OP
V
V
- 3.5 -
V
- 0.8 -
V
- 2.0 -
V
Doc ID 16048 Rev 1
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