TDA7514 STMicroelectronics, TDA7514 Datasheet - Page 8

• Manufacturer Part Number: TDA7514
• Description: SINGLE-CHIP FM/AM TUNER
• Manufacturer: STMicroelectronics

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TDA7514
Table 3. (continued)
8/74
ISS Filter Time Constant
ISS Filter Switch Threshold
Adjacent Channel detector for ISS (input: Smeter unfiltered)
Fc120BW20
FcenterAC1
FcenterAC2
FcenterAC3
FcenterAC4
Fc120BW3
Fc80BW20
Fc20BW20
Fc80BW3
Fc20BW3
VISSTCH
VISSTCL
Idischahl
Gacmax
Symbol
V120on
V120off
Gacmin
Idischal
Vthach
Ichah1
Ichah2
∆Fmin
V80on
V80off
Vthacl
Ichal1
Ichal2
Vach
Vacl
Fcenter=120KHz, @-3dB,BW
Fcenter=120KHz, @-20dB,BW @ISS 120KHz
Fcenter=80KHz, @-3dB,BW
Fcenter=80KHz, @-20dB,BW
Fcenter=20KHz, @-3dB,BW
Fcenter=20KHz, @-20dB,BW
Fcenter Fine adjust minimum
Charge current low
Charge current high
Charge current low
Charge current high
Discharge current low
Discharge current high
ISSTC Low
ISSTC High
Threshold for ISS120on
Threshold for ISS120off
Threshold for ISS80on
Threshold for ISS80off
Filter1 cutoff , T22<1:0>=00
Filter2 center, T22<1:0>=01
Filter3 center, T22<1:0>=10
Filter4 center, T22<1:0>=11
Gain minimum
Gain maximum
Output voltage low
Output voltage high
Threshold for weak adjacent
low
Threshold for weak adjacent
high
Parameter
@ISS 120KHz
@ISS 80KHz
@ISS 80KHz
@ISS 20KHz
@ISS 20KHz
@Weak adjacent
@Weak adjacent
@Strong adjacent
@Strong adjacent
HP(106KHz)+HP(100KHz)
BP(100KHz)+HP(144KHz)
BP(204KHz)+BP(100KHz)
BP(100KHz)+BP(144KHz)
Test Condition
Min
3.25
3.95
Typ
120
250
150
110
124
130
100
177
101
-20
0.1
4.9
3.0
4.9
80
25
75
60
74
15
23
29
1
3
1
4
2
Max
Unit
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
µA
µA
µA
µA
µA
µA
dB
dB
V
V
V
V
V
V
V
V
V
V