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參數(shù)資料
| 型號(hào)： | TDA7439 |
| 廠商： | STMICROELECTRONICS |
| 元件分類(lèi)： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDIP30 |
| 封裝： | 0.400 INCH, SDIP-30 |
| 文件頁(yè)數(shù)： | 18/23頁(yè) |
| 文件大?。?/td> | 296K |
| 代理商： | TDA7439 |
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Electrical specifications
TDA7439
4/23
2
Electrical specifications
25° C, VS = 9 V, RL= 10 k, generator resistance Rg = 600 , all controls flat (G = 0 dB),
unless otherwise specified.
Table 2.
Absolute maximum ratings
Symbol
Parameter
Value
Unit
VS
Operating supply voltage
10.5
V
Tamb
Operating ambient temperature
0 to 70
°C
Tstg
Storage temperature range
-55 to 150
°C
Table 3.
Thermal data
Symbol
Parameter
Value
Unit
Rth j-pin Thermal resistance junction-pins
85
°C/W
Table 4.
Quick reference data
Symbol
Parameter
Min
Typ
Max
Unit
VS
Supply voltage
6
9
10.2
V
VCL
Max. input signal handling
2
V
RMS
THD
Total harmonic distortion V = 1 V RMS, f = 1 kHz
0.01
0.1
%
S/N
Signal to noise ratio Vout = 1 V RMS (mode = OFF)
106
dB
SC
Channel separation f = 1 kHz
90
dB
Input gain (in 2-dB steps)
0
30
dB
Volume control (in 1-dB steps)
-47
0
dB
Treble control (in 2-dB steps)
-14
+14
dB
Middle control (in 2-dB steps)
-14
+14
dB
Bass control (in 2-dB steps)
-14
+14
dB
Balance control (in 1-dB steps)
-79
0
dB
Mute attenuation
100
dB
Table 5.
Electrical characteristics
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
Supply
VS
Supply voltage
6
10.2
V
IS
Supply current
4
7
10
mA
SVR
Ripple rejection
60
90
dB
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