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AK5373EQ Datasheet(PDF) 1 Page - Asahi Kasei Microsystems |
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AK5373EQ Datasheet(HTML) 1 Page - Asahi Kasei Microsystems |
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1 / 53 page  [AK5373] MS1202-E-00 2010/06 - 1 - GENERAL DESCRIPTION The AK5373 is a stereo A/D converter with a USB 2.0 interface. The device includes an integrated USB serial interface engine, a USB transceiver, an audio class processing block, endpoints, and a 24-bit stereo audio ADC. An integrated PLL enables the use of multiple sampling frequencies. A microphone amplifier and an integrated programmable gain amplifier are available for processing low-level signals from an analog microphone element. An external EEP-ROM is used to store the descriptor information. The AK5373 is housed in a 48-pin package. It is a low power device, operating from +3.3V, and consuming just 100mW in active mode and less than 100μA in suspend mode. FEATURES USB 2.0 compliant (full speed audio class) USB audio controller USB serial interface engine Audio class encoder/decoder USB synchronization Synchronous type (synchronize with 1ms SOF) 24-bit stereo A/D converter with mute control S/(N+D) = 85dB, S/N = 91dB (AVDD=3.3V, MIC-Amp = 0dB) S/(N+D) = 70dB, S/N = 78dB (AVDD=3.3V, MIC-Amp = +30dB) Microphone amplifier gain: 0dB, +6dB, +12dB, +18dB, +24dB, +30dB, +36dB Digital programmable gain: +24dB ~ -31dB, 1dB Step Integrated PLL supports standard sampling frequencies 8kHz, 11.025kHz, 16kHz, 22.05kHz, 32kHz 44.1kHz, 48kHz EEP-ROM interface for descriptors External Digital Audio Interface Power Management Low power consumption 30mA in active mode Less than 100 μA in suspend mode Power Supply: Analog Power Supply (AVDD): 3.0 ~ 3.6V Digital Power Supply (DVDD): 3.0 ~ 3.6V Ta = -10 ~ +70 °C Package: 48pin LQFP (7 x 7 mm, 0.5mm pitch) 24-bit Stereo ADC with USB Interface AK5373 |
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