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參數(shù)資料
| 型號： | TDA744813TR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | 6 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO20 |
| 封裝： | SO-20 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大?。?/td> | 381K |
| 代理商： | TDA744813TR |
3/14
TDA7448
Table 5. Electrical Characteristcs
(refer to the test circuit Tamb = 25°C, VS = 9V, RL = 10K, RG = 600, unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
SUPPLY
VS
Supply Voltage
4.75
9
10
V
IS
Supply Current
7
mA
SVR
Ripple Rejection
80
dB
INPUT STAGE
RIN
Input Resistance
35
50
65
K
VCL
Clipping Level
THD = 0.3%
2
2.5
Vrms
SIN
Input Separation
The selected input is grounded
through a 2.2
capacitor
90
dB
VOLUME CONTROL
CRANGE
Control Range
79
dB
AVMAX
Max. Attenuation
79
dB
ASTEP
Step Resolution
0.5
1
1.5
dB
EA
Attenuation Set Error
AV = 0 to -24dB
-1
0
1
dB
AV = -24 to -79dB
-2.0
0
2.0
dB
ET
Tracking Error
AV = 0 to -24dB
-1
0
1
dB
AV = -24 to -79dB
-2
0
2
dB
VDC
DC Step
adyacent attenuation steps
-3
0
3
mV
Amute
Mute Attenuation
90
db
AUDIO OUTPUTS
VCLIP
Clipping Level
THD = 0.3%
2
2.5
Vrms
RL
Output Load Resistance
2
K
VDC
DC Voltage Level
4.5
V
GENERAL
ENO
Output Noise
BW = 20Hz to 20KHz
All gains = 0dB, Flat
10
15
V
S/N
Signal to Noise Ratio
All gains = 0dB; VO = 1Vrms
100
dB
SC
Channel Separation left/Right
80
90
dB
THD
Distortion
AV = 0; VI = 1Vrms
0.01
0.1
%
BUS INPUT
VIl
Input Low Voltage
1V
VIH
Input High Voltage
2.5
V
IIN
Input Current
VIN = 0.4V
-5
5
A
VO
Output Voltage SDA
Achnowledge
IO = 1.6mA
0.4
0.8
V
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| TDA7448-EVB | 功能描述:音頻 IC 開發(fā)工具 Eval Brd for TDA7448 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
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