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LM4890,pdf datasheet (1 Watt A
消耗积分:10 |
格式:rar |
大小:433 |
2009-08-16
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The HWD2190 is an audio power amplifier primarily designed
for demanding applications in mobile phones and other portable
communication device applications. It is capable of
delivering 1 watt of continuous average power to an 8Ω BTL
load with less than 1% distortion (THD+N) from a 5VDC
power supply.
audio power amplifiers were designed specifically to
provide high quality output power with a minimal amount of
external components. The HWD2190 does not require output
coupling capacitors or bootstrap capacitors, and therefore is
ideally suited for mobile phone and other low voltage applications
where minimal power consumption is a primary requirement.
The HWD2190 features a low-power consumption shutdown
mode, which is achieved by driving the shutdown pin with
logic low. Additionally, the HWD2190 features an internal thermal
shutdown protection mechanism.
The HWD2190 contains advanced pop & click circuitry which
eliminates noises which would otherwise occur during
turn-on and turn-off transitions.
The HWD2190 is unity-gain stable and can be configured by external gain-setting resistors.
for demanding applications in mobile phones and other portable
communication device applications. It is capable of
delivering 1 watt of continuous average power to an 8Ω BTL
load with less than 1% distortion (THD+N) from a 5VDC
power supply.
audio power amplifiers were designed specifically to
provide high quality output power with a minimal amount of
external components. The HWD2190 does not require output
coupling capacitors or bootstrap capacitors, and therefore is
ideally suited for mobile phone and other low voltage applications
where minimal power consumption is a primary requirement.
The HWD2190 features a low-power consumption shutdown
mode, which is achieved by driving the shutdown pin with
logic low. Additionally, the HWD2190 features an internal thermal
shutdown protection mechanism.
The HWD2190 contains advanced pop & click circuitry which
eliminates noises which would otherwise occur during
turn-on and turn-off transitions.
The HWD2190 is unity-gain stable and can be configured by external gain-setting resistors.
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