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See Technical Specifications

CS53L21

LowPower,StereoAnalog to DigitalConverter

Manufacturer:

CIRRUS LOGIC
Mfr.Part #:

CS53L21
Datasheet:

CS53L21 Datasheet (PDF)
Package/Case:

32QFN
RoHS:
EDA/CAD Models:

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CS53L21 General Description

GENERAL DESCRIPTIONThe CS53L21 is a highly integrated, 24-bit, 96 kHz, low power stereo A/D. Based on multi-bit, delta-sigma modulation, it allows infinite sample rate adjustment between 4 kHz and 96 kHz. The ADC offers many fea tures suitable for low power, portable system applications.FEATURES♦ 98 dB Dynamic Range (A-wtd)♦ -88 dB THD+N♦ Analog Gain Controls – +32 dB or +16 dB MIC Pre-Amplifiers – Analog Programmable Gain Amplifier (PGA)♦ +20 dB Digital Boost♦ Programmable Automatic Level Control (ALC) – Noise Gate for Noise Suppression – Programmable Threshold and Attack/Release Rates♦ Independent Left/Right Channel Control♦ Digital Volume Control♦ High-Pass Filter Disable for DC Measurements♦ Stereo 3:1 Analog Input MUX♦ Dual MIC Inputs – Programmable, Low Noise MIC Bias Levels – Differential MIC Mix for Common Mode Noise Rejection♦ Very Low 64 Fs Oversampling Clock Reduces Power ConsumptionSYSTEM FEATURES♦ 24-bit Conversion♦ 4 kHz to 96 kHz Sample Rate♦ Multi-bit Delta Sigma Architecture♦ Low Power Operation – Stereo Record (ADC): 8.72 mW @ 1.8 V – Stereo Record (MIC to PGA and ADC): 13.73 mW @ 1.8 V♦ Variable Power Supplies – 1.8 V to 2.5 V Digital & Analog – 1.8 V to 3.3 V Interface Logic♦ Power Down Management – ADC, MIC Pre-Amplifier, PGA♦ Software Mode (I²C® & SPI™ Control)♦ Hardware Mode (Stand-Alone Control)♦ Flexible Clocking Options – Master or Slave Operation♦ Digital Routing Mixes – Mono MixesAPPLICATIONS♦ Portable Audio Players♦ Digital Microphones♦ Digital Voice Recorders♦ Voice Recognition Systems♦ Audio/Video Capture Cards