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參數(shù)資料
| 型號(hào)： | TDA7439D |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28 |
| 封裝： | SO-28 |
| 文件頁(yè)數(shù)： | 14/19頁(yè) |
| 文件大小： | 169K |
| 代理商： | TDA7439D |
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ELECTRICAL CHARACTERISTICS (refer to the test circuit Tamb =25
°C, VS = 9V, RL= 10K,
RG = 600
, all controls flat (G = 0dB), unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
SUPPLY
VS
Supply Voltage
6
9
10.2
V
IS
Supply Current
4
7
10
mA
SVR
Ripple Rejection
60
90
dB
INPUT STAGE
RIN
Input Resistance
70
100
130
K
VCL
Clipping Level
THD = 0.3%
2
2.5
Vrms
SIN
Input Separation
The selected input is grounded
through a 2.2
capacitor
80
100
dB
Ginmin
Minimum Input Gain
-1
0
1
dB
Ginman
Maximum Input Gain
29
30
31
dB
Gstep
Step Resolution
1.5
2
2.5
dB
VOLUME CONTROL
Ri
Input Resistance
20
33
50
K
CRANGE
Control Range
45
47
49
dB
AVMAX
Max. Attenuation
45
47
49
dB
ASTEP
Step Resolution
0.5
1
1.5
dB
EA
Attenuation Set Error
AV = 0 to -24dB
-1.0
0
1.0
dB
AV = -24 to -47dB
-1.5
0
1.5
dB
ET
Tracking Error
AV = 0 to -24dB
0
1
dB
AV = -24 to -47dB
0
2
dB
VDC
DC Step
adjacent attenuation steps
from 0dB to AV max
0
0.5
3mV
mV
Amute
Mute Attenuation
80
100
dB
BASS CONTROL (1)
Gb
Control Range
Max. Boost/cut
+12.0
+14.0
+16.0
dB
BSTEP
Step Resolution
1
2
3
dB
RB
Internal Feedback Resistance
33
44
55
K
TREBLE CONTROL (1)
Gt
Control Range
Max. Boost/cut
+13.0
+14.0
+15.0
dB
TSTEP
Step Resolution
1
2
3
dB
MIDDLE CONTROL (1)
Gm
Control Range
Max. Boost/cut
+12.0
+14.0
+16.0
dB
MSTEP
Step Resolution
1
2
3
dB
RM
Internal Feedback Resistance
18.75
25
31.25
K
SPEAKER ATTENUATORS
CRANGE
Control Range
70
76
82
dB
SSTEP
Step Resolution
0.5
1
1.5
dB
EA
Attenuation Set Error
AV = 0 to -20dB
-1.5
0
1.5
dB
AV = -20 to -56dB
-2
0
2
dB
VDC
DC Step
adjacent attenuation steps
0
3
mV
Amute
Mute Attenuation
80
100
dB
NOTE1:
1) The device is functionally good at Vs = 5V. a step down, on Vs, to 4V does’t reset the device.
2) BASS, MIDDLE and TREBLE response: The center frequency and the response quality can be chosen by the external circuitry.
TDA7439
4/19
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7439DS | 功能描述:音頻 DSP 3-Band Digital Cont RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| TDA7439DS_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Three-band digitally-controlled audio processor |
| TDA7439DS13TR | 功能描述:音頻 DSP 3-Band Digital Cont RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| TDA7440 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR |
| TDA7440_10 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR |
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