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TDA7512 데이터시트(PDF) 12 Page - STMicroelectronics

부품명 TDA7512
상세설명  AM/FM CAR RADIO TUNER IC WITH INTELLIGENT SELECTIVITY SYSTEM ISS
PDF  42 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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TDA7512 데이터시트(HTML) 12 Page - STMicroelectronics

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Table 4. ELECTRICAL CHARACTERISTICS
Tamb = +25°C, VCC1 = VCC2 = VCC3 = VCCVCO = VCCMIX1 = VCCMIX2 =8.5V, fRF =1MHz, fMOD = 400Hz at
30% AMfIF1 = 10.7MHz, fIF2 =450kHz, fxtal = 10.25MHz, in application circuit, (unless otherwise noted,
VINRF antenna input).
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Global
VANT
min
Max. sensitivity
Ref.: VINRF = 60dB
µV,
19
dB
µV
VANT us
Usable sensitivity
(S+N)/N = 20 dB
30
26
dB
µV
∆VANT IF2 AGC Range
Ref.: VINRF = 60dB
µV,
56
dB
(S+N)/N
Signal to Noise Ratio
Ref.: VINRF = 60ddB
µV
50
60
dB
aIF
IF rejection
Ref: VINRF = 60dBµV,
IF1 = 10.7MHz
IF2 = 450kHz
100
100
dB
dB
fAF
Frequency response
Ref.: VINRF = 60dB
µV,
∆VAF = -3 dB
3.6
kHz
THD
Total Harmonic Distortion
VINRF = 60dB
µV, m = 0.8
m = 0.3
VINRF = 120 dbµV, m = 0.8
m = 0.3
0.5
0.3
1.0
0.3
%
V37
Output level
VINRF = 60dB
µV
220
mVRM
S
V34
Output level
VINRF = 60dB
µ, m=off
190
mVRM
S
V3
Min. RF AGC threshold
Max. RF AGC threshold
WAGC
90
109
dB
µV
dB
µV
V58
Min. IF AGC threshold
Max. IF AGC threshold
WAGC
90
109
dB
µV
dB
µV
V58
Min. DAGC threshold
Max. DAGC threshold
DAGC
74
96
dB
µV
dB
µV
|I40max|
AGC2 charge current
seek
160
µA
CCR
Charge current ratio
seek/seek off
30
AGC Voltage Driver Output
V4
Max. AGC output voltage
3.5
V
V4
Min. AGC output voltage
0.5
V
| I4 |
AGC current
100
µA
AGC PIN Diode Driver Output
I5
AGC driver current
-2
mA



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