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CS4245 Folha de dados(PDF) 1 Page - Cirrus Logic |
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CS4245 Folha de dados(HTML) 1 Page - Cirrus Logic |
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1 / 54 page  Preliminary 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. 2004 (All Rights Reserved) Cirrus Logic, Inc. www.cirrus.com CS4245 105 dB, 24-Bit, 192 kHz Stereo Audio CODEC AUG ‘04 DS656PP1 D/A Features Multi-bit Delta Sigma modulator 105 dB dynamic range -95 dB THD+N Up to 192 kHz sampling rates Single-ended analog architecture Volume control with soft ramp – 0.5 dB step size – Zero crossing click-free transitions PopguardTM Technology – Minimizes the effects of output transients Filtered line level outputs Selectable serial audio interface formats – Left justified up to 24-bit – I²S up to 24-bit – Right justified 16, 18, 20 and 24-bit Selectable 50/15 µs de-emphasis Control Output for External Muting A/D Features Multi-bit Delta Sigma modulator 105 dB dynamic range -95 dB THD+N Stereo 6:1 Input Multiplexer Programmable Gain Amplifier (PGA) – +/- 12 dB gain, 0.5 dB step size – Zero crossing, click-free transitions Stereo microphone inputs – +32 dB gain stage – Low noise bias supply Up to 192 kHz sampling rates Selectable serial audio interface formats – Left justified up to 24-bit – I²S up to 24-bit High pass filter or DC offset calibration 1.8 V to 5 V Multibit ∆Σ Modulator Multibit ∆Σ Modulator Linear Phase Anti-Alias Filter Internal Voltage Reference Interpolation Filter Interpolation Filter Left DAC Output Right DAC Output Switched Capacitor DAC and Filter Multibit Oversampling ADC Multibit Oversampling ADC Linear Phase Anti-Alias Filter High Pass Filter High Pass Filter Stereo Input 1 Serial Audio Input Serial Audio Output 3.3 V to 5 V 3.3 V to 5 V Switched Capacitor DAC and Filter MUX PGA MUX Volume Control Volume Control Mute Control Register Configuration Reset I2C/SPI Control Data Mute Control Left Aux Output Right Aux Output Stereo Input 2 Stereo Input 3 Stereo Input 4 / Mic Input 1 & 2 Stereo Input 5 Stereo Input 6 PGA +32 dB +32 dB Interrupt ADC Overflow |
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