TDA7514 STMicroelectronics, TDA7514 Datasheet - Page 6

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

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