PCM1870

BurrĆBrown Products from Texas Instruments PCM1870 SLAS544 – MAY 2007 16-Bit Low-Power Stereo Audio ADC With Microphone Bias and Microphone Amplifier FEATURES Analog Front End: – Stereo Single End Input With MUX – Mono Differential Input – Stereo Programmable Gain Amplifier – Microphone Boost Amplifier and Bias Analog Performances Dynamic Range: 90 dB Power-Supply Voltage – 1.71 V to 3.6 V for Digital I/O Section – 1.71 V to 3.6 V for Digital Core Section – 2.4 V to 3.6 V for Analog Section Low Power Dissipation: – 13 mW in Record, 1.8/2.4 V, 48 kHz, Stereo – 5.3 mW in Record, 1.8/2.4 V, 8 kHz, Mono – 3.3 µW in All Power Down Sampling Frequency: 5 kHz to 50 kHz Auto Level Control for Recording Operation by Single Clock Input Without PLL System Clock: Common Audio Clock (256 fS/384 fS), 12/24, 13/26, 13.5/27, 19.2/38.4, 19.68/39.36 MHz 2 (I2C) or 3 (SPI) Wire Serial Control Programmable Function by Register Control: – Digital Soft Mute – Power Up/Down Control for Each Module – 30-dB to –12-dB Gain for Analog Inputs – 0/12/20-dB Boost for Microphone Input – Parameter Settings for ALC – Three-Band Tone Control and 3D Sound – High-Pass Filter and Two-Stage Notch Filter Pop Noise Reduction Circuit Package: 24-QFN (4 mm × 5 mm) Operation Temperature Range: –40°C to 85°C APPLICATIONS Portable Audio Player, Cellular Phone Video Camcorder, Movie Digital Still Camera PMP/DMB, Voice Recorder DESCRIPTION The PCM1870 is a low-power stereo ADC designed for portable d...