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參數(shù)資料
| 型號： | TDA7514 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR |
| 中文描述： | 單芯片F(xiàn)M /調(diào)幅調(diào)諧立體聲解碼器和音頻處理器 |
| 文件頁數(shù)： | 6/74頁 |
| 文件大小： | 604K |
| 代理商： | TDA7514 |
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TDA7514
6/74
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
(Set 1) (“min” not used)
Level at FMMIXER1IN+
@V12=100mV
IFT1 primary is shorted and is
connected to GND with 56nF
66.8
dB
μ
V
WAGCspH
Higher Threshold Start
(Set max)
Level at FMMIX1IN+
@V12=100mV
IFT1 primary is shorted and is
connected to GND with 56nF
83.5
dB
μ
V
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
-12
dB
Vkey
Vsmeter at Keyed AGC start
when V12 changes to 90mV
from 100mV (Set 1)
1.71
V
Narrow Band IF AGC
(input: FMMIXEROUT+ and FMMIXER1OUT-)
NAGCspL
Lower Threshold Start (Set 1)
(“min” not used)
Level of IF1 at FMMIX1OUT+
@V12=100mV
90.2
dB
μ
V
NAGCspH
Higher Threshold Start (Set
max)
Level of IF1 at FMMIX1OUT+
@V12=100mV
WAGC set to max
109
dB
μ
V
RF AGC Pin Diode Driver Out
Ioutmin
Minimum
AGCOFF
0.1
μ
A
Ioutmax
Maximum
AGCON; total
@330
Ω
@2.2K
Ω
10.1
8.8
1.35
mA
mA
mA
Table 3. (continued)
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