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CS43L22 数据表(PDF) 13 Page - Cirrus Logic |
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CS43L22 数据表(HTML) 13 Page - Cirrus Logic |
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13 / 68 page  DS792F1 13 CS43L22 Confidential Draft 10/7/08 PWM OUTPUT CHARACTERISTICS Test conditions (unless otherwise specified): Input test signal is a full scale 997 Hz signal; MCLK = 12.2880 MHz; Measurement Bandwidth is 20 Hz to 20 kHz; Sample Frequency = 48 kHz; Test load RL = 8 Ω for stereo full-bridge, RL = 4 Ω for mono parallel full-bridge; VD = VL = VA = VHP = 1.8V; PWM Modulation Index of 0.85; PWM Switch Rate = 384 kHz. Parameters (Note 7) Symbol Conditions Min Typ Max Units VP = 5.0 V Power Output per Channel PO Stereo Full-Bridge THD+N < 10% THD+N < 1% - - 1.00 0.80 - - Wrms Wrms Mono Parallel Full-Bridge THD+N < 10% THD+N < 1% - - 1.90 1.50 - - Wrms Wrms Total Harmonic Distortion + Noise THD+N Stereo Full-Bridge PO = 0 dBFS = 0.8W - 0.52 - % Mono Parallel Full-Bridge PO = -3 dBFS = 0.75 W PO = 0 dBFS = 1.5 W - - 0.10 0.50 - - % % Dynamic Range DR Stereo Full-Bridge PO = -60 dBFS, A-Weighted PO = -60 dBFS, Unweighted - - 91 88 - - dB dB Mono Parallel Full-Bridge PO = -60 dBFS, A-Weighted PO = -60 dBFS, Unweighted - - 91 88 - - dB dB VP = 3.7 V Power Output per Channel PO Stereo Full-Bridge THD+N < 10% THD+N < 1% - - 0.55 0.45 - - Wrms Wrms Mono Parallel Full-Bridge THD+N < 10% THD+N < 1% - - 1.00 0.84 - - Wrms Wrms Total Harmonic Distortion + Noise THD+N Stereo Full-Bridge PO = 0 dBFS = 0.43 W - 0.54 - % Mono Parallel Full-Bridge PO = -3 dBFS = 0.41 W PO = 0 dBFS = 0.81 W - - 0.09 0.45 - - % % Dynamic Range DR Stereo Full-Bridge PO = -60 dBFS, A-Weighted PO = -60 dBFS, Unweighted - - 91 88 - - dB dB Mono Parallel Full-Bridge PO = -60 dBFS, A-Weighted PO = -60 dBFS, Unweighted - - 95 92 - - dB dB VP =2.5 V Power Output per Channel PO Stereo Full-Bridge THD+N < 10% THD+N < 1% - - 0.23 0.19 - - Wrms Wrms Mono Parallel Full-Bridge THD+N < 10% THD+N < 1% - - 0.44 0.35 - - Wrms Wrms Total Harmonic Distortion + Noise THD+N Stereo Full-Bridge PO = 0 dBFS = 0.18 W - 0.50 - % Mono Parallel Full-Bridge PO = -3 dBFS = 0.17 W PO = 0 dBFS = 0.35 W - - 0.08 0.43 - - % % Dynamic Range DR Stereo Full-Bridge PO = -60 dBFS, A-Weighted PO = -60 dBFS, Unweighted - - 91 88 - - dB dB Mono Parallel Full-Bridge PO = -60 dBFS, A-Weighted PO = -60 dBFS, Unweighted - - 94 91 - - dB dB MOSFET On Resistance RDS(ON) VP = 5.0V, Id = 0.5 A - 600 - m Ω MOSFET On Resistance RDS(ON) VP = 3.7V, Id = 0.5 A - 640 - m Ω |
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