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PCM1870 Datasheet(PDF) 1 Page - Texas Instruments |
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PCM1870 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 52 page  BurrBrown Products from Texas Instruments 1 FEATURES APPLICATIONS DESCRIPTION PCM1870 SLAS544A – MAY 2007 – REVISED SEPTEMBER 2007 16-Bit Low-Power Stereo Audio ADC With Microphone Bias and Microphone Amplifier • Package: • Analog Front End: – 24-QFN (4 mm × 5 mm) – Stereo Single End Input With MUX – 24-DSBGA (2.49 mm × 3.49 mm) – Mono Differential Input • Operation Temperature Range: –40°C to 85°C – Stereo Programmable Gain Amplifier – Microphone Boost Amplifier and Bias • Portable Audio Player, Cellular Phone • Analog Performances Dynamic Range: 90 dB • Video Camcorder, Movie Digital Still Camera • Power-Supply Voltage • PMP/DMB, Voice Recorder – 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 The PCM1870 is a low-power stereo ADC designed • Low Power Dissipation: for portable digital audio applications, with line-input amplifier, boost amplifier, microphone bias, – 13 mW in Record, 1.8/2.4 V, 48 kHz, Stereo programmable gain control, sound effects, and auto – 5.3 mW in Record, 1.8/2.4 V, 8 kHz, Mono level control (ALC). It is available in 24-QFN (4-mm × – 3.3 μW in All Power Down 5-mm) and 24-DSBGA (2.49-mm × 3.49-mm) packages to save footprint. The PCM1870 accepts • Sampling Frequency: 5 kHz to 50 kHz right-justified, left-justified, I2S, and DSP formats, • Auto Level Control for Recording providing easy interfacing to audio DSP and encoder • Operation by Single Clock Input Without PLL chips. Sampling rates up to 50 kHz are supported. The user-programmable functions are accessible • System Clock: Common Audio Clock through a 2- or 3-wire serial control port. (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 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2007, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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