參數(shù)資料
型號(hào)： AD1992ACPZRL
廠商： ANALOG DEVICES INC
元件分類： 音頻／視頻放大
英文描述： Audio Switching Amplifier
中文描述： 2 CHANNEL, AUDIO AMPLIFIER, QCC64
封裝： 9 X 9 MM, LEAD FREE, MO-220VMMD-4, LFCSP-64
文件頁(yè)數(shù)： 16/20頁(yè)
文件大小： 346K
代理商： AD1992ACPZRL
AD1992
Using an External Clock Source
If a clock signal of the appropriate frequency already exists in
the application circuit, connect it directly to CLKI and leave
CLKO floating. The logic levels of the square wave should be
compatible with those defined in Specifications section.
Rev. 0 | Page 16 of 20
Large amounts of jitter on the clock input degrade performance.
Whenever possible, avoid passing the clock signal through
programmable logic and other circuits with unknown or variable
propagation delay. In general, clock signals suitable for audio ADCs
or DACs are also appropriate for use with the AD1992.
Clocking Multiple Amplifiers in Parallel
If there are multiple AD199x family amplifiers connected to the
same PV
DD
supply, use the same clock source (or synchronous
derivatives) for each amplifier as previously described. Avoid
clocking amplifiers from similar but asynchronous clocks if
they use the same power supply because this can result in beat
frequencies.
PROTECTION CIRCUITS AND ERROR REPORTING
Thermal Protection
The AD1992 features thermal protection. When the die
temperature exceeds approximately 135°C, the thermal warning
error output (ERR1) is asserted. If the die temperature exceeds
approximately 150°C, the thermal shutdown error output
(ERR2) is asserted. If this occurs, the part shuts down to
prevent damage to the part. When the die temperature drops
below approximately 120°C, the part returns to normal
operation automatically and negates both error outputs.
Overcurrent Protection
The AD1992 features over current or short-circuit protection. If
the current through any power transistors exceeds approximately
4 A, the part enters a mute state and the overcurrent error
output (ERR0) is asserted. This is a latched error and does not
clear automatically. Restore normal operation and clear the
error condition by either asserting and then negating RESET or
by asserting and then negating MUTE.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD1992ACPZRL7 制造商:Analog Devices 功能描述:Audio Amp Speaker 1-CH Mono/2-CH Stereo 20W Class-D 64-Pin LFCSP EP T/R 制造商:Analog Devices 功能描述:AUD AMP SPKR 1CH MONO/2CH STEREO 20W/10W CLS-D 64LFCSP EP - Tape and Reel
AD1994 制造商:AD 制造商全稱:Analog Devices 功能描述:Audio Switching Amplifier
AD1994_06 制造商:AD 制造商全稱:Analog Devices 功能描述:Audio Switching Amplifier
AD1994ACPZ 制造商:Analog Devices 功能描述:Audio Amp Speaker 1-CH Mono/2-CH Stereo 50W Class-D 64-Pin LFCSP EP 制造商:Analog Devices 功能描述:AUD AMP SPKR 1CH MONO/2CH STEREO 50W/25W CLS-D 64LFCSP EP - Trays 制造商:Analog Devices 功能描述:AMP STEREO SMD LFCSP-64 1994
AD1994ACPZRL 制造商:Analog Devices 功能描述:Audio Amp Speaker 1-CH Mono/2-CH Stereo 50W Class-D 64-Pin LFCSP EP T/R 制造商:Analog Devices 功能描述:AUD AMP SPKR 1CH MONO/2CH STEREO 50W/25W CLS-D 64LFCSP EP - Tape and Reel
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