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参数资料
| 型号： | TDA7245 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 5 W, 1 CHANNEL, AUDIO AMPLIFIER, PDIP18 |
| 封装： | POWER, DIP-18 |
| 文件页数： | 5/11页 |
| 文件大小： | 2697K |
| 代理商： | TDA7245 |
ELECTRICAL CHARACTERISTICS (Refer to the test circuit, Tamb = 25°C, f = 1kHz; unless otherwise
specified).
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VS
Supply Voltage
12
30
V
VO
Quiescent Output Voltage
VS = 24V
11.6
V
Id
Quiescent Drain Current
VS = 14V
VS = 28V
17
21
35
mA
PO
Output Power
d = 1%, f = 1KHz
VS = 14V, RL = 4
VS = 18V, RL = 8
d = 10%, f = 1KHz
VS = 14V, RL = 4
VS = 18V, RL = 8
Music Power (*)
VS = 24V, d = 10%, RL = 4
4
5
12
W
d
Harmonic Distortion
VS = 14V, RL = 4
,
PO = 50mW to 3W
f = 1KHz
f = 10KHz
VS = 18V, RL = 8
,
PO = 50mW to 3.5W
f = 1KHz
f = 10KHz
VS = 22V, RL = 16
,
PO = 50mW to 3W
f = 1KHz
f = 10KHz
0.15
0.8
0.12
0.5
0.08
0.4
0.5
%
RI
Input Impedance
f = 1kHz
30
k
BW
Small signal bandwidth (-3dB)
PO = 1W; RL = 4
VS = 14V
50 to 40,000
Hz
GV
Voltage Gain (open loop)
f = 1kHz
75
dB
GV
Voltage Gain (closed loop)
f = 1kHz
39
40
41
dB
eN
Total Input Noise
B = 22 - 22,000Hz
Rs = 50
Rs = 1k
Rs = 10k
1.7
2
36
mV
V
S/N
Signal to Noise Ratio
VS = 18V; RL = 8
PO = 5W; RS = 10K
86
dB
SVR
Supply Voltage Rejection
VS = 16.5V; RL = 8
; f = 100Hz
Rs = 10k
; Vr = 0.5Vrms
40
50
dB
Tsd
Thermal shut-down Junction
Temperature
150
°C
MUTE FUNCTION
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Vm
Pin 4 DC Voltage
Mute SW Open (play)
6.4
V
ATTm
Muting Attenuation
f = 100Hz to 10kHz
60
65
dB
TDA7245
3/11
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA7245A | 功能描述:音频放大器 6W 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 |
| TDA7250 | 功能描述:音频 DSP 60W Dual Audio Drvr RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
| TDA7253 | 功能描述:音频放大器 8W 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 |
| TDA7253L | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:6W AMPLIFIER WITH MUTING |
| TDA7255 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:22W FRONT REAR OR BRIDGE FULLY PROTECTED CAR RADIO AMPLIFIER |
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