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TDA7540N bảng dữ liệu(PDF) 18 Page - STMicroelectronics

tên linh kiện TDA7540N
Giải thích chi tiết về linh kiện  AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system (ISS)
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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TDA7540N bảng dữ liệu(HTML) 18 Page - STMicroelectronics

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Electrical specifications
TDA7540N
18/76
V24
IF output level
VINRF = 60dBµV, m=off
190
mVRMS
V4
Min. RF AGC threshold
Max. RF AGC threshold
WAGC
97
109
dB
μV
dB
μV
V71
Min. IF AGC threshold
Max. IF AGC threshold
WAGC
96.5
109
dB
μV
dB
μV
V71
Min. DAGC threshold
Max. DAGC threshold
DAGC
74
96
dB
μV
dB
μV
|I78max|
AGC2 charge current
seek
80
100
120
μA
CCR
Charge current ratio
seek/seek off
30
AGC voltage driver output
V6
Max. AGC output voltage
3.5
V
V6
Min. AGC output voltage
0.5
V
| I6 |
AGC current
100
μA
AGC pin diode driver output
I7
AGC driver current
-2.6
-2
-1.4
mA
AM Mixer1 (10.7MHz)
RIN
Input resistance
differential
100
k
Ω
CIN
Input capacitance
differential
4
pF
ROUT
Output impedance
differential
100
kΩ
CP1dB
1dB compression point
referred to diff. mixer input
112
dBμV
IIP3
3rd order intermodulation
132
dBμV
F
Noise figure
8
dB
AGain
26
dB
Cmin
Min. capacitance step
IF1T
0.55
pF
Cmax
Max. capacitance
IF1T
8.25
pF
C1-80
IF1T
2
pF
AM Mixer2 (450kHz)
R71
Input resistance
260
330
400
W
C71
Input capacitance
2.5
pF
CP1dB
1dB compression point
referred to diff. mixer input
120
dB
μV
IIP3
3rd order intermodulation
132
dB
μV
F
Noise figure
12
dB
Table 7.
AM section electrical characteristics (continued)
(Tamb = 25°C, VCC1 = VCC2 = VCC3 = VCCST= VCCVCO = VCCMIX1 = VCCMIX2 = VCCIF1 = 8.5V,
fRF = 98MHz, m= 30%, fMOD = 400kHz, fXtal = 10.25MHz, in application circuit, unless
otherwise specified).
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit



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