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參數(shù)資料
| 型號(hào)： | TDA7571 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 250 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64 |
| 封裝： | ROHS COMPLIANT, HIQUAD-64 |
| 文件頁數(shù)： | 9/21頁 |
| 文件大小： | 441K |
| 代理商： | TDA7571 |
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TDA7571
Functions, pins and components description
17/21
4.8
External connections description
4.8.1
CD, THWEXT, THWINT
These pins, if used, it must be connected to a pull-up resistor (>10kOhm) connected to a
supply voltage referred to the receiver device (as example, a P).
Maximum voltage = 6V.
4.8.2
MUTE
Mute pin
4.8.3
ST-BY - St-By pin.
To avoid pop noise due to multiple ST-BY parasitic pulses, an R-C network must be added
(as example 47kOhm, 0.1F)
4.8.4
+Vs-low -
This pin supply the low voltage circuits. It can be connected to the +Vs or to a reference
voltage comprising between 12V to +Vs.
A connection to +Vs through a 100Ohm resistor, together a 1uF capacitor placed from +Vs-
low and GND is possible too.
4.8.5
DATA, SEL, SCK
I2S digital inputs
4.8.6
MCLK
Master clock input. Must be F(MCLK) = 256 x Fs (11289.6kHz in case of Fs = 44.1 kHz)
4.8.7
DGND
Digital ground
4.8.8
BRIDGE and L/R
With this pin, the mode of working of the device (bridge or single-ended) can be selected.
If it is connected to the pin 32 (DGND) the device works in single-ended mode
If it is connected to the pin 40 (5Vdig) the device works in bridge mode.
In case of bridge mode, the pin 34 (L/R) makes the channel selection. If connected to
DGND, the Left channel is selected. If connected to 5Vdig, is selected the Right channel.
These pins must be selected with the device in ST-BY condition.
In case of single-ended operation, it is suggested to put the L/R pin at 5V.
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| TDA7572 | 功能描述:音頻放大器 200W Mono Bridge PWM Amplifier Built-In 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 |
| TDA7572TR | 功能描述:音頻放大器 200W Mono Bridge PWM Amplifier Built-In 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 |
| TDA7575 | 功能描述:音頻放大器 MULTI F DUAL 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 |
| TDA7575B | 功能描述:音頻放大器 2 x 75W Multifunct Dual-Bridge 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 |
| TDA7575BPD | 功能描述:音頻放大器 2 x 75W Multifunct Dual-Bridge 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 |
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