ESS ESS1918 free download

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ES1918 AudioDrive Audio CODEC Product Brief ® DESCRIPTION The ES1918 AudioDrive® CODEC is a fully compliant AC'97 CODEC and mixer for a digital audio controller embodied in a single, mixed signal chip. The ES1918 is the perfect companion to ESS Technology's PCI audio solution, the MaestroTM family of digital controllers. The ES1918 is equipped with a stereo 16-bit DAC, a stereo 16-bit ADC, 7 inputs (4 stereo and 3 mono), 2 outputs (1 stereo and 1 mono), and a Time Division Multiplexed (TDM) serial AC-Link to a Maestro Digital Controller. The ES1918 audio CODEC can record and play back voice, sound, and music at 48 kHz sample rate. The playback mixer has 5 stereo inputs (Line, CD, Video, Aux, and PCM digital audio) and 3 mono inputs (Mic, Phone, and PC beep). The record multiplexer has 5 stereo inputs (Line, CD, Video, Aux, Mixer) and 3 mono inputs (Mic, Phone, and Mono mix). The mixer has two outputs (Line and Mono). Line out can be used for stereo output to multimedia speakers while Mono out can be used to output to a telephony subsystem or DLP (Down Line Phone). The ES1918 is available in an industry-standard 48-pin Low Quad Flat Pack (LQFP). FEATURES W W Single, high-performance, mixed-signal, 16-bit stereo VLSI chip Meets or exceeds Audio Codec '97 analog performance specification W AC-Link digital serial interface (TDM format) to the Maestro Digital Controller Record and Playback Features Full-duplex stereo operation for simultaneous record and playback W 16-bit stereo ADC and DAC W 48 kHz sample rate W Inputs/Outputs 4 stereo inputs for line-in, CD, video, and auxiliary line-in 2 selectable mono inputs for microphone sharing a single mixer input and 1 mono input for phone W PC speaker input W 1 stereo output for line-out (for example, multimedia speakers) W 1 mono output for use with a telephony subsystem or DLP W W Power APPLICATIONS W W W W W W W W W W W Multimedia PCs 3-D PC Games Music Synthesis Business Audio DVD-ROM/Consumer Video Audio Playback Audio Conferencing Voice Recognition Advanced Configuration and Power Interface (ACPI) support. Single 5.0 V power supply Meets Microsoft PC97 1.0 specifications with FAQ updates Meets Intel's Audio Codec '97 1.03 specifications Compatibility BLOCK DIAGRAM ES1918 L SYNC R BIT_CLK RESET# SDATA_OUT SDATA_IN Mixer DAC DAC Analog Mixing and Volume Control L R +20 dB Mux Mono Out Line Out PC Beep Phone Line CD Video Aux Mic1 Mic2 Digital Interface Register Set ADC ADC ESS Technology, Inc. SAM0044-102497 1 ES1918 PRODUCT BRIEF PINOUT LINE_OUT_R LINE_OUT_L NC NC CAP2 CAP1 AFILT2 AFILT1 Vrefout Vref AVss1 AVdd1 36 25 24 MONO_OUT AVdd2 NC NC NC AVss2 NC NC NC NC NC NC 37 ES1918 48-PIN LQFP 48 1 13 12 LINE_IN_R LINE_IN_L MIC2 MIC1 CD_R CD_GND CD_L VIDEO_R VIDEO_L AUX_R AUX_L PHONE DIGITAL CHARACTERISTICS Symbol VIN VIL Parameter Input voltage range Input low voltage All except XTAL_IN Input low voltage XTAL_IN Min -0.30 ­ ­ 0.7 x DVdd 2.2 2.6 ­ -10 -10 ­ Typ ­ ­ ­ ­ ­ ­ ­ ­ ­