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參數資料
| 型號： | TDA7494 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | 1 CHANNEL(S), VOLUME CONTROL CIRCUIT, ZFM15 |
| 封裝： | MULTIWATT-15 |
| 文件頁數： | 6/12頁 |
| 文件大小： | 183K |
| 代理商： | TDA7494 |
ELECTRICAL CHARACTERISTICS
(Refer to the test circuit, VS = 21V, RL = 8
; Rg = 50; Tamb = 25°C; unless otherwise specified.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VS
Supply Voltage Range
11
35
V
Iq
Total Quiescent Current
22
50
mA
DCVOS
Output DC Offset Referred to
SVR Potential
No Input Signal
-550
550
mV
VO
Quiescent Output Voltage
V= 18V
7.8
9
10.2
V
VS = 21V
10
10.5
11
V
PO
Output Power
THD = 10%; VCC = 28V, RL = 8
THD = 1%; VCC = 28V
8
6
10
8
W
THD = 10%; VCC = 21V,
THD = 1%; VCC = 21V,
5
3.5
5.5
4
W
THD = 10%; VCC = 21V, RL = 4
THD = 1%; VCC = 21V,
5
3.9
6.6
5.5
W
THD = 10%; VCC = 18V,
THD = 1%; VCC = 18V
4.5
3.5
6
4.5
W
THD = 10%; VCC = 18V, RL = 8
THD = 1%; VCC = 18V
3.5
2.2
3.75
2.85
W
THD
Total Harmonic Distortion
PO = 1W; f = 1KHz; Gv = 26dB
0.4
%
Ipeak
Output Peak Current
(internally limited)
1.4
1.9
A
Top
Operating Temperature
0
70
°C
Vin
Input Signal
2.8
Vrms
GV
Closed Loop Gain
24.5
26
27.5
dB
BW
0.6
MHz
eN
Total Output Noise
f = 20Hz to 22KHz
Play
30
50
V
f = 20Hz to 22KHz
Mute
30
50
V
SR
Slew Rate
5
8
V/
s
Ri
Input Resistance
22.5
30
K
SVR
Supply Voltage Rejection
f = 1kHz;
CSVR = 470
A; VRIP = 1VRMS
36
43
dB
TM
Thermal Muting
150
°C
Ts
Thermal Shut-down
160
°C
VST-BY
Stand-by threshold
2.3
2.5
2.7
V
VMUTE
Mute Threshold
2.3
2.5
2.7
V
IqST-BY
Quiescent Current @ Stand-by
0.6
1
mA
AMUTE
Mute Attenuation
60
75
dB
IstbyBIAS
Stand-by bias current
Stand by on; VST-BY = 5V;
VMUTE = 5V;
80
150
A
Play or Mute
2
20
A
ImuteBIAS
Mute bias current
Mute
1.5
10
A
Play
0.5
5
A
TDA7494S
3/12
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TDA7494S | 功能描述:音頻放大器 Video switch chip RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7494SA | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5W+5W AMPLIFIER WITH DC VOLUME CONTROL |
| TDA7495 | 功能描述:音頻放大器 11W DC Amp w/Vol Cnt RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7495S | 功能描述:音頻放大器 11W/11W AMPLIFIER RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7495S_04 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:11W +11W AMPLIFIER |
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