TA8122 데이터 시트보기 (PDF) - Toshiba
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TA8122 Datasheet PDF : 18 Pages
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TA8122,23ANG/AFG
Electrical Characteristics
Unless Otherwise Specified,
Ta = 25°C, VCC = 3V, F / E: f = 83MHz, fm = 1kHz
FM IF: f = 10.7MHz, ∆f = ±22.5kHz, fm = 1kHz
AM: f = 1MHz, MOD = 30%, fm = 1kHz
FM ST DET: fm = 1kHz
Characteristic
Supply current
Input limiting voltage
Symbol
ICC (FM)
ICC (AM)
Vin (lim.)
Test
Cir−
Test Condition
cuit
1 Vin = 0, FM mode
1 Vin = 0, AM mode
1 −3dB limiting
Min. Typ. Max. Unit
— 14.0 18.5
mA
—
6.0 8.3
—
14.0
—
dBµV
EMF
Local OSC voltage
Input limiting voltage
VOSC
Vin (lim.)
IF
2 fOSC = 72.3MHz
1 −3dB limiting
70
105 140 mVrms
39
44
49
dBµV
EMF
Recovered output
voltage
VOD
1 Vin = 80dBµV EMF
55
80
110 mVrms
Signal to noise ratio
Total harmonic
distortion
S/N
THD
1 Vin = 80dBµV EMF
1 Vin = 80dBµV EMF
—
70
—
dB
—
0.4
—
%
AM rejection ratio
LED on sensitivity
AMR
VL
1 Vin = 80dBµV EMF
1 IL = 1mA
—
50
—
dB
43
48
53
dBµV
EMF
Gain
Recovered output
voltage
GV
VOD
1 Vin = 23dBµV EMF
1 Vin = 60dBµV EMF
20
40
80 mVrms
50
60
100 mVrms
Signal to noise ratio
Total harmonic
destortion
S/N
THD
1 Vin = 60dBµV EMF
1 Vin = 60dBµV EMF
—
44
—
dB
—
1.0
—
%
LED on sensitivity
VL
1 IL = 1mA
19
24
29
dBµV
EMF
Pin(19) output resistance
FM mode
R19
1
AM mode
— 0.75 —
kΩ
— 12.5 —
8
2004-10-12
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