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参数资料
| 型号： | TDA7490 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 25 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| 封装： | FLEXIWATT-25 |
| 文件页数： | 4/10页 |
| 文件大小： | 200K |
| 代理商： | TDA7490 |
Obsolete
Product(s)
- Obsolete
Product(s)
3/10
TDA7490
Figure 4. Pin Connection
Table 4. Pin Description
Pin N°
Name
Function
1-VCC sign/sub
Negative signal/substrate supply
2-VCCpow1
Negative power supply CH1
3
out 1
PWM output of CH1
4+VCCpow1
Positive power supply CH1
5
BOOT1
Bootstrap CH1
6
STBY-MUTE
Control State Pin
7
FEED1
Feedback pin 1 CH1
8
OSC
Master Oscillator Setting Freequency Pin (or external sync.)
9
FEED2
Feedback pin2 CH1
10
IN1
Input CH1
11
T1
Triangular waveform CH1
12
+5V
+5V regulator (only for internal purposes)
13
GND
Signal ground
14
CURREF
Setting current resistor
15
T2
Triangular waveform CH2
16
-5V
-5V regulator (only for internal purposes)
17
FEED3
Feedback pin1 CH2
18
IN2
Input CH2
19
FEED4
Feedback pin2 CH2
20
NC
Not connected
21
BOOT2
Bootstrap CH2
22
+VCCpow2
Positive power supply CH2
23
OUT2
PWM output of CH2
24
-VCCpow2
Negative power supply CH2
25
Vreg
10V regulator
D97AU816B
-V
CC
-V
CC
OUT1
+V
CC
BOOT1
STBY-MUTE
FEED1
OSC
FEED2
IN1
T1
+5V
GND
CURREF
T2
-5V
FEED3
IN2
FEED4
N.C.
BOOT2
+V
CC
OUT2
-V
CC
Vreg
1
25
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA7490L | 功能描述:音频放大器 Class-D 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 |
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| TDA7490SA | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:10W +10W Stereo Class-D Amplifier |
| TDA7491HV | 功能描述:音频放大器 20W Dual BTL Class D 18V VCC Audio Amp 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 |
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