Part # AD74111 datasheet

Part Manufacturer: Analog Devices

Analog Devices

Part Description: AD74111 Low Cost Low Power Mono Audio Codec Data Sheet (REV. 0)


Part Details:

Low Cost, Low Power Mono Audio Codec AD74111 FEATURES GENERAL DESCRIPTION 2.5 V Mono Audio Codec with 3.3 V Tolerant The AD74111 is a front-end processor for general-purpose audio Digital Interface and voice applications. It features a multibit - A/D conversion Supports 8 kHz to 48 kHz Sample Rates channel and a multibit - D/A conversion channel. The ADC Supports 16-/20-/24-Bit Word Lengths channel provides >67 dB THD+N and the DAC channel pro- Multibit - Modulators with vides >88 dB THD+N, both over an audio signal bandwidth. "Perfect Differential Linearity Restoration" for The AD74111 is particularly suitable for a variety of applications Reduced Idle Tones and Noise Floor where mono input and output channels are required, including Data Directed Scrambling DAC ­ Least Sensitive to Jitter audio sections of digital video camcorders, portable personal Performance (20 Hz to 20 kHz) audio devices, and telematic applications. Its high quality 85 dB ADC Dynamic Range performance also makes it suitable for speech and telephony 93 dB DAC Dynamic Range applications such as speech recognition and synthesis, and modern Programmable ADC Gain feature phones. On-Chip Volume Control for DAC ChannelSoftware Controllable Clickless Mute An on-chip reference voltage is included but can be powered Supports 256 f down and bypassed by an external reference source if required. S, 512 fS, and 768 fS Master Mode Clocks The AD74111 offers sampling rates that, depending on MCLK Master Clock Prescaler for Use with DSP Master Clocks selection and MCLK divider ratio, range from 8 kHz in the On-Chip Reference voiceband range to 48 kHz in the audio range. 16-Lead TSSOP Package The AD74111 is available in a 16-lead TSSOP package option APPLICATIONS and is specified for the automotive temperature range of ­40°C Digital Video Camcorders (DVC) to +105°C. Portable Audio Devices (Walkman®, PDAs, and so on)Audio ProcessingVoice ProcessingTelematic SystemsGeneral-Purpose Analog I/O FUNCTIONAL BLOCK DIAGRAM RESET MCLK DVDD1 DVDD2


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AD74111.pdf Datasheet