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| 型号： | TB2905HQ |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 55 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| 封装： | 1 MM PITCH, PLASTIC, HZIP-25 |
| 文件页数： | 1/17页 |
| 文件大小： | 278K |
| 代理商： | TB2905HQ |
TB2905HQ
2005-08-17
1
TOSHIBA Bi-CMOS Digital Integrated Circuit
Silicon
Monolithic
TB2905HQ
Class KB High-Efficiency, Low-Frequency Power Amplifier IC
Maximum Power: 47 W
× 4 Channels
The TB2905HQ is a high-efficiency class KB power amplifier
IC developed for car audio applications that incorporates four
BTL amplifier channels.
It employs a pure complementary DMOS output stage
consisting of P-ch upper and N-ch lower sections, offering a
maximum output power (POUT) of 47 W.
Class KB (keyed BTL) amplifiers exhibit less than half the
heat generation of comparable class AB solutions under normal
operating conditions. Therefore, it is possible to design a smaller
heatsink and maintain lower internal temperature in the car
audio sets.
Additionally, the TB2905HQ has many built-in functions for car audio, such as standby switching, muting,
protective circuits, and self diagnosis.
Features
High output power
: POUT MAX (1) = 47 W (typ.)
(VCC = 14.4 V, f = 1 kHz, JEITA max, RL = 4 )
: POUT MAX (2) = 43 W (typ.)
(VCC = 13.7 V, f = 1 kHz, JEITA max, RL = 4 )
: POUT Pout MAX (3) = 80 W (typ.)
(VCC = 14.4V, f = 1 kHz, JEITA max, RL = 2 )
: POUT (1) = 29 W (typ.)
(VCC = 14.4 V, f = 1 kHz, THD = 10%, RL = 4 )
: POUT (2) = 25 W (typ.)
(VCC = 13.2 V, f = 1 kHz, THD = 10%, RL = 4 )
: POUT (3) = 55 W (typ.)
(VCC = 14.4 V, f = 1 kHz, THD = 10%,RL = 2 )
Low distortion ratio
: THD
= 0.03% (typ.)
(VCC = 13.2 V, f = 1 kHz, GV = 26dB, POUT = 2 W, RL = 4 )
Low noise
: VNO = 120 Vrms (typ.)
(VCC = 13.2 V, GV = 26dB, Rg = 0 , BW = 20 Hz~20 kHz, RL = 4 )
Built-in standby (pin 4) and muting (pin22) functions
Built-in offset/clipping detection (pin 25)
Protective circuits: Thermal shutdown, overvoltage, out to GND, out to VCC, out to out short
Operating supply voltage: VCC (opr) = 9 to 18 V (RL = 4 )
Note 1: Some pins of this product are sensitive to electrostatic discharge. When handling this product, ensure that
the environment is protected against electrostatic discharge.
Note 2: Install the product correctly. Otherwise, the product or connected equipment may get damaged or degrade.
Note 3: These protective features are intended to temporarily prevent an output short circuit or other abnormal
conditions from occurring. Toshiba does not guarantee that they prevent the IC from being damaged.
If the product is operating outside any of the guaranteed operating ranges, these protective features may
not operate and an output short circuit may result in the IC being damaged.
Weight: 7.7 g (typ.)
相关PDF资料 |
PDF描述 |
|---|---|
| TB2905HQ | 55 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| TB2906HQ | 26 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| TB2906HQ | 26 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| TB2912HQ | 27 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| TB2913HQ | 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TB2905HQ(O) | 功能描述:音频放大器 25W x 4ch Class-KB Car Pwr 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 |
| TB2906HQ | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:Maximum Power 43 W BTL x 4-ch Audio Power IC |
| TB2913HQ | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:Maximum Power 47 W BTL 】 4-ch Audio Power IC |
| TB2915AHQ(O) | 制造商:Toshiba America Electronic Components 功能描述:IC AMP BTL AUDIO 45W 4CH HZIP25 |
| TB2915HQ(O) | 功能描述:音频放大器 45W x 4-CH high-EFF car power 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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