ค้นไปค้นมาเจอตัวนี้เข้าให้
UAC 355xB
UAC 357xB
Main Features
-
Single-chip, full-speed USB 2.0 compliant, stereo audio ADC and DAC
-
Dual microphone input
-
Pseudo-differential line input
-
Capless headphone connection
-
Output reference for ground noise cancellation
-
Supports 8/16-bit mono/stereo recording and up to 24-bit playback
-
Supports streaming of compressed audio (Dolby Digital, MP3) to external decoders
-
Vendor ID, product ID, strings and device configuration with external EEPROM
-
Bus-powered or self-powered mode
-
12 GPIO pins with HID support
-
I2S input/output interface
-
Integrated stereo headphone amplifier
-
I2C interface (master/slave)
-
Customized firmware extensions with plug-ins possible
-
Packages: PMQFP64-2 or PQFN64-1
Audio Features
-
Independent adaptive sample rates of 6.4 to 48 kHz for USB recording and playback (enhanced full-duplex)
-
Audio baseband control: bass, treble, loudness, volume, balance, and mute
-
Dynamic bass management (Micronas Bass MB)
-
Digital speaker equalizer (5-band parametric equalizer)
-
THD better than −90 dB and SNR of -typically 96 dB for D/A converters
-
THD better than −90 dB and SNR of -typically 92 dB for A/D converters
-
Power supply rejection ratio >95 dB for analog outputs
top
Family members
Members of the UAC 357xB Family
The three family members are optimized for different applications and needs. The UAC 3574B is ideally suited for self-powered USB headset applications. The UAC 3575B offers additional stereo line input support. The UAC 3576B adds the flexibility to boot customized firmware from an external EEPROM of up to 8 kB. A firmware SDK implementing all standard USB control, audio, and HID class features is available.
