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PCM1771PW Datasheet(PDF) 1 Page - Texas Instruments |
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PCM1771PW Datasheet(HTML) 1 Page - Texas Instruments |
1 / 38 page BurrBrown Products from Texas Instruments FEATURES APPLICATIONS DESCRIPTION PCM1770, PCM1771 SLES011E – SEPTEMBER 2001 – REVISED MARCH 2007 LOW-VOLTAGE AND LOW-POWER STEREO AUDIO DIGITAL-TO-ANALOG CONVERTER WITH HEADPHONE AMPLIFIER • Portable Audio Player • Multilevel DAC Including Headphone Amplifier • Cellular Phone • Analog Performance (V CC, VHP = 2.4 V): • PDA – Dynamic Range: 98 dB Typ • Other Applications Requiring Low-Voltage – THD+N at 0 dB: 0.1% Typ Operation – THD+N at –20 dB: 0.04% Typ – Output Power at RL = 16 Ω: 13 mW (Stereo), 26 mW (Monaural) The PCM1770 and PCM1771 devices are CMOS, • 1.6-V to 3.6-V Single Power Supply monolithic, integrated circuits which include stereo • Low Power Dissipation: 6.5 mW at V CC, VHP = digital-to-analog converters, headphone circuitry, and support circuitry in small TSSOP-16 and VQFN-20 2.4 V packages. • System Clock: 128 f S, 192 fS, 256 fS, 384 fS The data converters use TI's enhanced multilevel ∆-Σ • Sampling Frequency: 5 kHz to 50 kHz architecture, which employs noise shaping and • Software Control (PCM1770): multilevel amplitude quantization to achieve excellent – 16-, 20-, 24-Bit Word Available dynamic performance and improved tolerance to clock jitter. The PCM1770 and PCM1771 devices – Left-, Right-Justified, and I2S accept several industry standard audio data formats – Slave/Master Selectable with 16- to 24-bit data, left-justified, I2S, etc., – Digital Attenuation: 0 dB to –62 dB, 1 providing easy interfacing to audio DSP and decoder dB/Step devices. Sampling rates up to 50 kHz are supported. A full set of user-programmable functions is – 44.1-kHz Digital De-Emphasis accessible through a 3-wire serial control port, which – Zero Cross Attenuation supports register write functions. – Digital Soft Mute – Monaural Analog-In With Mixing – Monaural Speaker Mode • Hardware Control (PCM1771): – Left-Justified and I2S – 44.1-kHz Digital De-Emphasis – Monaural Analog-In With Mixing • Pop-Noise-Free Circuit • 3.3-V Tolerant • Packages: TSSOP-16 and VQFN-20 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 © 2001–2007, 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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