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參數(shù)資料
| 型號： | TDA7340G013TR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP44 |
| 封裝： | 10 X 10 MM, PLASTIC, QFP-44 |
| 文件頁數(shù)： | 26/28頁 |
| 文件大?。?/td> | 376K |
| 代理商： | TDA7340G013TR |
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STEREO DECODER PART
ELECTRICAL CHARACTERISTICS (VS = 9V; modulation frequency: 1KHz; de-emphasis time:
T = 50
s; nominal MPX input voltage: VMPX = 0.5VRMS (75KHz deviation); GI = 3.5dB; Tamb = 27°C; un-
less otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VIN
MPX Input Level
0.5
1.25
VRMS
RIN
Input Resistance
35
50
65
K
GMIN
Minimum Input Gain
2.5
3.5
4.5
dB
GMAX
Maximum Input Gain
9.5
11
12.5
dB
GSTEP
Step Resolution
1.75
2.5
3.25
dB
SVRR
Supply Voltage Ripple Rejection
VRIPPLE = 100mV; f = 1KHz
50
60
dB
VO
DC Output Voltage (HCL, HCR)
4.2
4.5
4.8
V
α
Channel Separation
VSB - VR = 100mVDC
50
dB
THD
Total Harmonic distortion
0.02
0.2
%
S
+ N
N
Signal plus noise to noise ratio
f = 20Hz to 16KHz; S = 2VRMS
91
dB
CARRIER AND HARMONIC SUPPRESSION AT THE OUTPUT
α19
Pilot Signal f = 19KHz
55
75
dB
α38
Subcarrier f = 38KHz
75
dB
α57
Subcarrier f = 57KHz
62
dB
α76
Subcarrier f = 76KHz
90
dB
INTERMODULATION (note 1)
α2fmod = 10KHz; fspur = 1KHz
65
dB
α3fmod = 13KHz; fspur = 1KHz
75
dB
TRAFFIC RADIO (note 2)
α57
Signal f = 57KHz
70
dB
SCA - SUBSIDIARY COMMUNICATIONS AUTHORIZATION (note 3)
α67
Signal f = 67KHz
75
dB
ACI - ADJACENT CHANNEL INTERFERENCE (note4)
α114
Signal f = 114KHz
95
dB
α190
Signal f = 190KHz
84
dB
MONO/ STEREO SWITCH
VINTH
Pilot Threshold Voltage
for stereo "ON" Pth = 1
Pth = 0
11
18
15
25
22
34
mVRMS
VINTH
Pilot Threshold Voltage
for stereo "OFF" Pth = 1
Pth = 0
6
13
12
19
18
25
mVRMS
STEREO BLEND
VSB-VR
Control Voltage for Channel
Separation
α = 6dB; VR = 3.6V (note 5)
-0.31
-0.26
-0.23
V
VSB-VR
Control Voltage for Channel
Separation
α = 26dB;
-50
mV
HIGH CUT CONTROL
τdeemp
De-Emphasis Time Constant
C13, C14 = 1nF; VHCC-VR = 100mV
50
s
RHCC
High Cut Control Resistance
VHCC-VR = 100mV
50
K
RHCC
High Cut Control Resistance
V= -1.3V (note 6)
115
150
185
K
VCO
fOSC
Oscillator Frequency
456
KHz
f/f
Capture and Holding Range
1
%
TDA7340G
7/27
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