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參數(shù)資料
| 型號(hào)： | TDA7439 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDIP30 |
| 封裝： | 0.400 INCH, SDIP-30 |
| 文件頁數(shù)： | 20/23頁 |
| 文件大?。?/td> | 296K |
| 代理商： | TDA7439 |
Electrical specifications
TDA7439
6/23
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 -20 dB
-1.5
0
1.5
dB
AV = -20 to -56 dB
-2
0
2
dB
VDC
DC step
Adjacent attenuation steps
0
3
mV
Amute
Mute attenuation
80
100
dB
Audio outputs
VCLIP
Clipping level
d = 0.3%
2.1
2.6
Vrms
RL
Output load resistance
2
k
RO
Output impedance
10
40
70
VOUTDC DC voltage level
3.5
3.8
4.1
V
General
ENO
Output noise
All gains = 0 dB;
BW = 20 Hz to 20 kHz flat
515
V
Et
Total tracking error
AV = 0 to -24 dB
0
1
dB
AV = -24 to -47 dB
0
2
dB
S/N
Signal to noise ratio
All gains 0 dB,
VO = 1 V RMS
95
106
dB
SC
Channel separation, left/right
80
100
dB
dDistortion
AV = 0, VI = 1 V RMS
0.01
0.08
%
Bus input
VIL
Input low voltage
1
V
VIH
Input high voltage
3
V
IIN
Input current
VIN = 0.4 V
-5
0
5
A
VO
Output voltage SDA
acknowledge
IO = 1.6 mA
0.4
0.8
V
1.
For bass, mid-range and treble response: the center frequency and the response quality can be set by the
external circuitry.
Table 5.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TDA7439_08 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Three-band digitally-controlled audio processor |
| TDA7439B | 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 |
| TDA7439D | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:THREE BANDS DIGITALLY CONTROLLED AUDIO PROCESSOR |
| 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 |
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