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參數(shù)資料
| 型號： | TDA7438 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDIP28 |
| 封裝： | DIP-28 |
| 文件頁數(shù)： | 12/19頁 |
| 文件大小： | 215K |
| 代理商： | TDA7438 |
Obsolete
Product(s)
- Obsolete
Product(s)
TDA7438
2/19
Table 2. Absolute Maximum Ratings
Figure 3. Pin Connection
Table 3. Thermal Data
Table 4. Quick Reference Data
(*) Even applied to Speaker Attenuator Left, Speaker Attenuator Right, Volume Control stand alone or to the combination, if any.
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
Symbol
Parameter
Value
Unit
Rth j-pins
Thermal Resistance Junction-pins
Max.
85
°C/W
Symbol
Parameter
Min.
Typ.
Max.
Unit
VS
Supply Voltage
6
9
10.2
V
VCL
Max. input signal handling
2
Vrms
THD
Total Harmonic Distortion V = 1Vrms f = 1KHz
0.01
0.1
%
S/N
Signal to Noise Ratio Vout = 1Vrms (mode = OFF)
106
dB
SC
Channel Separation f = 1KHz
90
dB
Input Gain in (2db step)
0
30
dB
Volume Control (1db step)
-47
0
dB
Treble Control (2db step)
-14
+14
dB
Middle Control (2db step)
-14
+14
dB
Bass Control (2dB step)
-14
+14
dB
Balance Control 1dB step
-79
0
dB
Mute Attenuation (*)
80
100
dB
MUXOUTL
INL
MUXOUTR
INR
MIN(R)
BIN(R)
MOUT(R)
BOUT(R)
BIN(L)
1
3
2
4
5
6
7
8
9
BOUT(L)
MOUT(L)
MIN(L)
TREBLE(R)
TREBLE(L)
SCL
SDA
DIG-GND
CREF
23
22
21
20
19
17
18
16
15
D96AU489A
10
11
12
13
14
28
27
26
25
24
R_IN2
R_IN1
L_IN1
L_IN2
L_IN3
VS
AGND
ROUT
LOUT
R_IN3
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