전자부품 데이터시트 검색엔진 |
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CS43L22 데이터시트(PDF) 1 Page - Cirrus Logic |
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CS43L22 데이터시트(HTML) 1 Page - Cirrus Logic |
1 / 68 page Copyright © Cirrus Logic, Inc. 2008 (All Rights Reserved) http://www.cirrus.com OCT '08 DS792F1 Low Power, Stereo DAC w/Headphone & Speaker Amps FEATURES 98 dB Dynamic Range (A-wtd) 88 dB THD+N Headphone Amplifier - GND Centered – No DC-Blocking Capacitors Required – Integrated Negative Voltage Regulator – 2 x 23 mW into Stereo 16 Ω @ 1.8 V – 2 x 44 mW into Stereo 16 Ω @ 2.5V Stereo Analog Input Passthrough Architecture – Analog Input Mixing – Analog Passthrough with Volume Control Digital Signal Processing Engine – Bass & Treble Tone Control, De-Emphasis – PCM Input w/Independent Vol Control – Master Digital Volume Control and Limiter – Soft-Ramp & Zero-Cross Transitions Programmable Peak-Detect and Limiter Beep Generator w/Full Tone Control – Tone Selections Across Two Octaves – Separate Volume Control – Programmable On and Off Time Intervals – Continuous, Periodic, One-Shot Beep Selections Class D Stereo/Mono Speaker Amplifier No External Filter Required High Stereo Output Power at 10% THD+N – 2 x 1.00 W into 8 Ω @ 5.0 V – 2 x 550 mW into 8 Ω @ 3.7 V – 2 x 230 mW into 8 Ω @ 2.5 V High Mono Output Power at 10% THD+N – 1 x 1.90 W into 4 Ω @ 5.0 V – 1 x 1.00 W into 4 Ω @ 3.7 V – 1 x 350 mW into 4 Ω @ 2.5 V Direct Battery Powered Operation – Battery Level Monitoring & Compensation 81% Efficiency at 800 mW Phase-Aligned PWM Output Reduces Idle Channel Current Spread Spectrum Modulation Low Quiescent Current +1.60 V to +5.25 V Battery +1.65 V to +2.63 V Digital Supply Pulse-Width Modulator Battery Level Monitoring & Compensation Multi-bit ∆Σ DAC +1.65 V to +3.47 V Interface Supply Beep Generator Digital Volume, Mono Mix, Limiter, Bass, Treble Adjust Left Inputs Σ 4 3 2 1 Summing Amplifiers Left HP/Line Output Ground-Centered Amps Right HP/Line Output +1.65 V to +2.63 V Headphone Supply Speaker/HP Switch Charge Pump +VHP -VHP +1.65 V to +2.63 V Analog Supply Stereo/Mono Full-Bridge Speaker Outputs Class D Amps + - + - I²C Control Reset Serial Audio Input Right Inputs Σ 4 3 2 1 CS43L22 Confidential Draft 10/7/08 |
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