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参数资料
| 型号： | TDA7303TR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频控制 |
| 英文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO28 |
| 封装： | ROHS COMPLIANT, SOP-28 |
| 文件页数： | 20/20页 |
| 文件大小： | 252K |
| 代理商： | TDA7303TR |
TDA7303
Electrical specifications
RB
Internal feedback resistance
44
k
Ω
Treble control (1)
Gt
Control range
Max. Boost/cut
±13
±14
±15
dB
TSTEP
Step Resolution
1
2
3
dB
Audio outputs
VOCL
Clipping level
d = 0.3 %
2
2.5
Vrms
RL
Output load resistance
2
k
Ω
CL
Output load capacitance
10
nF
ROUT
Output resistance
75
Ω
VOUT
DC voltage level
4.2
4.5
4.8
V
General
eNO
Output noise(2)
BW = 20-20 kHz, flat
output muted
all gains = 0 dB
2.5
5
V
A curve all gains = 0 dB
3
V
S/N
Signal to noise ratio
all gains = 0 dB; VO = 1 Vrms
106
dB
d
Distortion
AV = 0; VIN = 1 Vrms
0.01
%
AV = -20 dB, VIN = 1 Vrms
0.09
0.3
%
AV = -20 dB, VIN = 0.3 Vrms
0.04
%
Sc
Channel separation left/right
80
103
dB
Total tracking error
AV = 0 to -20 dB
0
1
dB
-20 to -60 dB
0
2
dB
Bus inputs
VIL
Input low voltage
1V
VIH
Input high voltage
3
V
IIN
Input current
-5
+5
A
VO
Output voltage SDA acknowledge
IO = 1.6 mA
0.4
V
1.
Bass and treble response see attached diagram (Figure 19). The center frequency and quality of the resonance behavior
can be chosen by the external circuitry. A standard first order bass response can be realized by a standard feedback
network
2.
The selected input is grounded through the 2.2 F capacitor.
Table 5.
Electrical characteristics (continued)
(Tamb = 25 °C, VS = 9 V, RL = 10 kΩ, RG = 600 Ω, all control flat (G = 0), f = 1 kHz unless
otherwise specified)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
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