YDA144-WZ

更新时间： 2024-02-29 21:52:35

品牌	Logo	应用领域
雅马哈 - YAMAHA		放大器功率放大器
页数	文件大小	规格书
26页	1170K
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中文翻译

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数据手册

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YDA144-WZ 数据手册

YDA144

Resistor(Rex), Capacitor(Cex) and Attack Time, Release Time

Rex(MΩ)

Cex(µF)

4.7

0.47

4.7

3.8

Attack Time(ms)

Release Time(s)

0.8

3.8

0.38

Non-Clip control function can be invalidated by the NCRC terminal assumption H level fixation (AVDD potential) or L

level fixation (GND). In that case, the following differences exist by the state of the NCRC terminal.

Difference of operation by state of NCRC terminal when Non-Clip control function is OFF.

NCRC terminal

Current increase

Start up wait time

Non-Clip function ON/OFF change

in state of signal input.

Change is possible.

[mA]

[sec]

L level (GND)

0.2 (Maximum)

H level (AVDD potential)

3*Rex*Cex

Change is prohibited.

Start up wait time: It means time until the signal input is permitted from Non-Clip function ON.

●Protection Function

YDA144 has the following protection functions for the digital amplifier: Over-current Protection function, Thermal

Protection function, and Low voltage Malfunction Prevention function.

Over-current Protection function

This is the function to establish the over-current protection mode when detecting a short circuit between YDA144

differential output pin and VSS, VDD, or another differential output. The function works independently for Lch and Rch. In

the over current protection mode, the differential output pin becomes a high impedance state.

Setting /SDR pin to a logic Low state can cancel the Rch over current protection mode. Likewise, when setting /SDL pin to

a logic Low level, the over current protection mode applied to Lch can be cancelled. In addition, turning on the power again

can cancel the over current protection mode applied to Lch and Rch.

Thermal Protection function

This is the function to establish the thermal protection mode when detecting excessive high temperature of YDA144 itself.

In the thermal protection mode, the differential output pin becomes Weak Low state (a state grounded through high

resistivity). And, when YDA144 gets out of such condition, the protection mode is cancelled.

Low voltage Malfunction Prevention function

This is the function to establish the low voltage protection mode when AVDD pin voltage becomes lower than the detection

voltage (V_UVLL) for the low voltage malfunction prevention and to cancel the protection mode when AVDD pin voltage

becomes higher than the threshold voltage (V_UVLH) for its deactivation. In the low voltage protection mode, the differential

output pin becomes Weak Low state (a state grounded through high resistivity). YDA144 will start up within the start-up

time (T_STUP) when the low voltage protection mode is cancelled.

1...4 5 678 9 10...26

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与YDA144-WZ相关器件

型号	品牌	获取价格	描述	数据表
YDA145-PZ	YAMAHA	获取价格	Audio Amplifier, 2.1W, 1 Channel(s), 1 Func, PBGA9, LEAD FREE, WLCSP-9
YDA147	YAMAHA	获取价格	Audio Amplifier, 20W, 2 Channel(s), 1 Func, PQFP48, LEAD FREE, PLASTIC, SQFP-48
YDA147-VZ	YAMAHA	获取价格	Audio Amplifier,
YDA148	YAMAHA	获取价格	Audio Amplifier, 15W, 2 Channel(s), 1 Func, PQCC32, LEAD FREE, PLASTIC, QFN-32
YDA148-QZ	YAMAHA	获取价格	Audio Amplifier, 2 Channel(s), 1 Func, PQCC32, QFN-32
YDAW200	YEONHO	获取价格	2.00mm PITCH CONNECTOR
YDAW200-04	YEONHO	获取价格	2.00mm PITCH CONNECTOR
YDAW200-06	YEONHO	获取价格	2.00mm PITCH CONNECTOR
YDAW200-08	YEONHO	获取价格	2.00mm PITCH CONNECTOR
YDAW200-10	YEONHO	获取价格	2.00mm PITCH CONNECTOR

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