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參數(shù)資料
| 型號： | TA8255AHQ |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 17 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| 封裝： | 1.27 MM PITCH, PLASTIC, HZIP-25 |
| 文件頁數(shù)： | 9/15頁 |
| 文件大小： | 1153K |
| 代理商： | TA8255AHQ |
TA8255AHQ
2006-04-28
3
Caution And Application Method
(description is made only on the single channel.)
1. Voltage gain adjustment
This IC has no NF (negative feedback) terminals. Therefore, the voltage gain can’t adjusted, but it makes the
device a space and total costs saver.
The voltage gain of amp. 1: GV1 = 0 dB
The voltage gain of amp. 2A, B: GV2 = 28 dB
The voltage gain of BTL connection: GV (BTL) = 6 dB
Therefore, the total voltage gain is decided by expression below.
GV = GV1 + GV2 + GV (BTL) = 0 + 28 + 6 = 34 dB
2. Standby SW function
By means of controlling pin(2) (standby terminal) to high
and low, the power supply can be set to on and off.
The threshold voltage of pin(2) is set at about 3V (typ.),
and the power supply current is about 100 A (typ.) at the
standby state.
Control voltage of pin(2): V (SB)
Stand
by
Power
V (SB) (V)
On
Off
0~2
Off
On
3~VCC
Adjustage of standby SW
(1) Since VCC can directly be controlled to on or off by the
microcomputer, the switching relay can be omitted.
(2) Since the control current is microscopic, the switching relay of small current capacity is satisfactory for
switching
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| TA8255AHQ | 17 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| TA8255AH | 22 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| TA8255AH | 22 W, 4 CHANNEL, AUDIO AMPLIFIER, PSFM25 |
| TA8256BHQ | 6 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM12 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TA8256 | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:AUDIO POWER AMPLIFIER 6W x 3CH |
| TA8256BH | 制造商:Panasonic Industrial Company 功能描述:IC |
| TA8256BH_02 | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Audio Power Amplifier 6 W 】 3 Ch |
| TA8256BHQ(5) | 功能描述:音頻放大器 6W x 3ch Gen Audio Pwr Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TA8256H | 制造商:Panasonic Industrial Company 功能描述:IC |
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