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E-TDA7514 데이터 시트보기 (PDF) - STMicroelectronics

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E-TDA7514 SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR ST-Microelectronics
STMicroelectronics ST-Microelectronics
E-TDA7514 Datasheet PDF : 74 Pages
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TDA7514
Table 3. (continued)
Symbol
Parameter
Test Condition
Min Typ Max Unit
Cift1max
IFT1 Adjustment Capacitor
Maximum
Between MIX1OUT+ and
MIX1OUT-
20.1
pF
Cift1step
IFT1 Adjustment Capacitor
Step
Between MIX1OUT+ and
MIX1OUT-
1.3
pF
RFT Adjustment
Vrftadjmin RFT Adjustment Minimum
@T6<0:7>=[00000000]
TVIN=3V
0.4
V
Vrftadjmax RFT Adjustment Maximum
@ T6<0:7>=[11111111]
TVIN=3V
5.9
V
Vrftadjstep RFT Adjustment Step
TVIN=3V,
VRFTadjstep=TVIN/128
23
mV
VRFT0
@ T6<0:7>=[11000001]
TVIN=3V
3
V
Voutmax Output voltage maximum
VCC-0.4
8.1
V
Voutmin Output voltage minimum
0.4
V
Wide Band RF AGC (input: FMMIXER1in+ and FMMIXER1IN-)
WAGCspL Lower Threshold Start
Level at FMMIXER1IN+
66.8
(Set 1) (“min” not used)
@V12=100mV
IFT1 primary is shorted and is
connected to GND with 56nF
dBµV
WAGCspH Higher Threshold Start
(Set max)
Level at FMMIX1IN+
@V12=100mV
IFT1 primary is shorted and is
connected to GND with 56nF
Wide Band Keying AGC ( Controlled by FiltSMeter1ms )
WAGCK AGC Start (Set 1) shift
Shifted level of AGC Starting
point at FMMIX1IN+ when
VSMeter changes from Vkey
to Vkey-450mV
Vkey
Vsmeter at Keyed AGC start
when V12 changes to 90mV
from 100mV (Set 1)
Narrow Band IF AGC (input: FMMIXEROUT+ and FMMIXER1OUT-)
NAGCspL
Lower Threshold Start (Set 1) Level of IF1 at FMMIX1OUT+
(“min” not used)
@V12=100mV
NAGCspH Higher Threshold Start (Set
max)
Level of IF1 at FMMIX1OUT+
@V12=100mV
WAGC set to max
RF AGC Pin Diode Driver Out
Ioutmin
Minimum
AGCOFF
Ioutmax Maximum
AGCON; total
@330 Ω
@2.2K Ω
83.5
dBµV
-12
dB
1.71
V
90.2
dBµV
109
dBµV
0.1
µA
10.1
mA
8.8
mA
1.35
mA
6/74
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