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参数资料
| 型号： | TDA1904 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 4.5 W, 1 CHANNEL, AUDIO AMPLIFIER, PDIP16 |
| 封装： | POWER, DIP-16 |
| 文件页数： | 4/10页 |
| 文件大小： | 239K |
| 代理商： | TDA1904 |
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
Vs
Supply voltage
4
20
V
Vo
Quiescent output voltage
Vs = 4V
Vs = 14V
2.1
7.2
V
Id
Quiescent drain current
Vs = 9V
Vs = 14V
8
10
15
18
mA
Po
Output power
d = 10%
Vs = 9V
Vs = 14V
Vs = 12V
Vs = 6V
f = 1 KHz
RL = 4
1.8
4
3.1
0.7
2
4.5
W
d
Harmonic distortion
f = 1 KHz
Vs = 9V
RL = 4
Po = 50 mW to 1.2W
0.1
0.3
%
Vi
Input saturation voltage
(rms)
Vs = 9V
Vs = 14V
0.8
1.3
V
Ri
Input resistance (pin 8)
f = 1 KHz
55
150
K
h
Efficiency
f = 1 KHz
Vs = 9V
RL = 4
Po = 2W
Vs = 14V
RL = 4
Po = 4.5W
70
65
%
BW
Small signal bandwidth (-3 dB)
Vs = 14V
RL = 4
40 to 40,000
Hz
Gv
Voltage gain (open loop)
Vs = 14V
f = 1 KHz
75
dB
Gv
Voltage gain (closed loop)
Vs = 14V
f = 1 KHz
RL = 4
Po = 1W
39.5
40
40.5
dB
eN
Total input noise
Rg = 50
Rg = 10 K
(
°)
1.2
24
V
Rg = 50
Rg = 10 K
(
°°)
2
3
V
SVR
Supply voltage rejection
Vs = 12V
fripple = 100 Hz
Vripple = 0.5 Vrms
Rg = 10 K
40
50
dB
Tsd
Thermal shut-down case
temperature
Ptot = 2W
120
C
ELECTRICAL CHARACTERISTICS (Refer to the test circuit, Tamb = 25
°C, Rth (heatsink) =
20
°C/W, unless otherwisw specified)
Note: (°) Weighting filter = curve A.
(°°) Filter with noise bendwidth: 22Hz to 22 KHz.
3/10
TDA1904
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA1905 | 功能描述:音频放大器 5W Audio Amplifier RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TDA1905 | 制造商:STMicroelectronics 功能描述:IC AUDIO AMP + MUTE 5W |
| TDA1908 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8W AUDIO AMPLIFIER |
| TDA1910 | 功能描述:音频放大器 10W Audio Amplifier RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TDA1910_03 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:10W AUDIO AMPLIFIER WITH MUTING |
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