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PCM1800 is a low cost, single chip stereo analog-to-digital converter with single-ended analog voltage inputs. The PCM1800 uses a delta-sigma modulator with 64X oversampling, including a digital decima-tion filter and serial interface which supports both Master and Slave Modes and four data formats.
PCM1800 is suitable for a wide variety of cost-sensi-tive consumer applications where high performance is required.
PCM1800 is fabricated on a highly advanced CMOS process.
PCM1800 Maximum Ratings
Supply Voltage: +VDD, +VCC ............................................................. +6.5V Supply Voltage Differences................................................................±0.1V GND Voltage Differences....................................................................±0.1V Digital Input Voltage.................................................0.3V to (VDD + 0.3V) Analog Input Voltage................................................0.3V to (VCC + 0.3V) Input Current (any pin except supplies) ...........................................±10mA Power Dissipation ............................................................................300mW Operating Temperature Range ............................................ 25 to +85 Storage Temperature......................................................... 55 to +125 Lead Temperature (soldering, 5s).................................................... +260 (reflow, 10s) .................................................................................... +235
PCM1800 Features
` DUAL 20-BIT MONOLITHIC ADC SINGLE-ENDED VOLTAGE INPUT ` 64X OVERSAMPLING DECIMATION FILTER: Passband Ripple: ±0.05dB Stopband Attenuation: 65dB ` HIGH PERFORMANCE: THD+N: -88dB (typ) SNR: 95dB (typ) Dynamic Range: 95dB (typ) ` Internal High Pass Filter PCM AUDIO INTERFACE: Master/Slave Modes 4 Data Formats ` SAMPLING RATE: 32kHz, 44.1kHz, 48kHz ` SYSTEM CLOCK: 256fS , 384fS , or 512fS ` SINGLE +5V POWER SUPPLY SMALL 24-PIN SSOP PACKAGE