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CS44L10 Datasheet(PDF) 1 Page - Cirrus Logic |
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CS44L10 Datasheet(HTML) 1 Page - Cirrus Logic |
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1 / 34 page  Advance Product Information This document contains information for a new product. Cirrus Logic reserves the right to modify this product without notice. 1 Copyright Cirrus Logic, Inc. 2001 (All Rights Reserved) P.O. Box 17847, Austin, Texas 78760 (512) 445 7222 FAX: (512) 445 7581 http://www.cirrus.com CS44L10 Digital PWM Headphone Monitor Features l Up to 100 dB Dynamic Range l 2.4 V to 5.0 V supply l Sample rates up to 96 kHz l Digital Tone Control —3 selectable HPF and LPF corner frequencies —12 dB boost for bass and treble - 1 dB step size l Programmable Digital volume control —+18 to -96 dB in 1 dB steps l Peak signal soft limiting l De-emphasis for 32 kHz, 44.1 kHz, and 48 kHz l Selectable outputs for each channel including —Channel A: R, L, mono (L + R) / 2, mute —Channel B: R, L, mono (L + R) / 2, mute l PWM PopGuard® l 100 mW/Channel into 16 Ω @ 3.6 V Description The CS44L10 is a complete stereo digital-to-PWM Class D au- dio amplifier system controller including interpolation, volume control, and a headphone amplifier in a 16-pin TSSOP package. The CS44L10 architecture uses a direct-to-digital approach that maintains digital signal integrity to the final output filter. This minimizes analog interference effects that can negatively affect system performance. The CS44L10 contains on-chip digital bass and treble boost, peak signal limiting, and de-emphasis. The PWM amplifier can achieve greater than 90% efficiency. This efficiency leads to longer battery life for portable systems, smaller device pack- age, less heat sink requirements, and smaller power supplies. The CS44L10 is ideal for portable audio, headphone amplifi- ers, and mobile phones. ORDERING INFORMATION CS44L10-KZ -10 to 70 °C 16-pin TSSOP Multibit ∆Σ Modulator with Correction Multibit ∆Σ Modulator with Correction Digital Volume Control, Bass/Treble Boost, Compression Limiting, De-emphasis Control Port SCL/DIF0 MCLK Serial Port SDA/DEM VL PWM Conversion PWM Conversion HP_B VA_HPB GND_HPB Level Shifter VA_HPA Level Shifter HP_A GND_HPA RST Interpolation SCLK LRCK Input Sampling Rate LRCLK/MCLK Ratio SDIN Audio MAY ‘01 DS541PP1 |
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