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TDA7222 数据表(PDF) 3 Page - STMicroelectronics

部件名 TDA7222
功能描述  3V AM/FM ONE-CHIP RADIO
PDF  7 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7222 数据表(HTML) 3 Page - STMicroelectronics

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ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VS
Supply Voltage
9
V
ILED
LED Current
10
mA
VLED
LED Voltage
10
V
Toper
Operating Temperature
-20, +70
oC
Tstg
Storage Temperature
-55, +150
oC
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Value
Unit
VS
Supply Voltage
1.8 to 7
V
Toper
Operating Temperature
0, +70
oC
ELECTRICAL CHARACTERISTICS (unless otherwise specified)
TA =25
oC, 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
MPX
: fm = 1kHz
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
ICC (FM)
Supply Current
VIN = 0, FM mode
13.2
20
mA
ICC (AM)
VIN = 0, AM mode
8.4
13.5
mA
VIN (lim)
F/E
Input Limiting Voltage
- 3dB limiting
10.0
dB
µ
VOSC
Local OSC Voltage
fOSC = 72.3MHz
105
mVRMS
VIN (lim) IF
FM
IF
Input Limiting Voltage
- 3dB limiting
40
46
53
dB
µ
VOD
Recovered Output Voltage
VIN = 80dB
µ
55
80
110
mVRMS
S/N
Signal to Noise Ratio
VIN = 80dB
µ
70
dB
THD
Total Harmonic Distortion
VIN = 80dB
µ
0.4
%
AMR
AM Rejection Ratio
VIN = 80dB
µ
32
dB
VL
Lamp ON Sensitivity
IL = 1mA
45
51
56
dB
µ
GV
AM
Gain
VIN = 26dB
µ
40
70
110
mVRMS
VOD
Recovered Output Voltage
VIN = 60dB
µ
55
80
110
mVRMS
S/N
Signal to Noise Ratio
VIN = 60dB
µ
42
dB
THD
Total Harmonic Distortion
VIN = 60dB
µ
1.0
%
VL
Lamp ON Sensitivity
IL = 1mA
20
25
30
dB
µ
R19
Pin 19 Output Resistance
FM mode
AM mode
0.75
12.75
k
Ω
k
Ω
RIN
MPX
Input Resistance
24
k
Ω
ROUT
Output Resistance
5
k
Ω
VIN (Max.)
Stereo
Max. Composite Signal Input Voltage
L + R = 90%, P = 10%
fm = 1kHz, THD = 3%
350
mVRMS
Sep
fm = 100Hz
Separation
fm = 1kHz
fm = 10kHz
L + R = 135mVRMS
P = 15mVRMS
25
32
32
32
dB
dB
dB
THD
Monaural
Total Harmonic Distortion (monaural)
VIN = 150mVRMS
0.2
%
THD
Stereo
Total Harmonic Distortion (stereo)
L + R = 135mVRMS
P = 15mVRMS
0.2
%
GV (MPX)
Voltage Gain
VIN = 150mVRMS
-5
- 3
- 1
dB
C.B.
Channel Balance
VIN = 150mVRMS
-2
0
2
dB
TDA7222A - TDA7222AD
3/7



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