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MAX97000pdf datasheet (Audio

消耗积分:5 | 格式:rar | 大小:555 | 2009-11-26

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The MAX97000 audio subsystem combines a mono speaker amplifier with a stereo headphone amplifier and an analog DPST switch. The headphone and speaker amplifiers have independent volume control and on/off control. The four inputs are configurable as two differential inputs or four single-ended inputs.

The entire subsystem is designed for maximum efficiency. The high-efficiency 725mW Class D speaker amplifier operates directly from the battery and consumes no more than 1µA in shutdown mode. The Class H headphone amplifier utilizes a dual-mode charge pump to maximize efficiency while outputting a ground-referenced signal that does not require output coupling capacitors.

The speaker amplifier incorporates a distortion limiter to automatically reduce the volume level when excessive clipping occurs. This allows high gain for low-levels signals without compromising the quality of large signals.

All control is performed using the 2-wire, I²C interface. The MAX97000 operate in the extended -40°C to +85°C temperature range, and is available in the 2mm x 2mm, 25-bump WLP package (0.4mm pitch).
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