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MAX9880AETM Datasheet(PDF) 8 Page - Maxim Integrated Products |
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MAX9880AETM Datasheet(HTML) 8 Page - Maxim Integrated Products |
8 / 70 page Low-Power, High-Performance Dual I2S Stereo Audio Codec 8 _______________________________________________________________________________________ ELECTRICAL CHARACTERISTICS (continued) (VAVDD = VPVDD = VMICVDD = VDVDD = VDVDDS1 = +1.8V, RL = ∞, headphone load (RL) connected between _OUTP and _OUTN, dif- ferential modes, CREF = 2.2µF, CMICBIAS = CPREG = CREG = 1µF, AVPRE = +20dB, AVPGAM = 0dB, AVDAC = 0dB, AVLINE = +20dB, AVVOL = 0dB, AVLO = 0dB, fMCLK = 13MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS MICROPHONE AMPLIFIER PALEN/PAREN = 01 -0.5 0 +0.5 PALEN/PAREN = 10 19.5 20 20.5 Preamplifier Gain AVPRE PALEN/PAREN = 11 29.3 30 30.5 dB PGAML/PGAMR = 0x1F -0.5 0 +0.6 MIC PGA Gain AVPGAM PGAML/PGAMR = 0x00 19.3 19.9 20.4 dB Common-Mode Rejection Ratio CMRR VIN = 100mVP-P, f = 217Hz 50 dB MIC Input Resistance RIN_MIC All gain settings 30 50 k AVPRE = 0dB VIN = 1VP-P, f = 1kHz, A-weighted -80 Total Harmonic Distortion + Noise THD+N AVPRE = +30dB VIN = 32mVP-P, f = 1kHz, A-weighted -65 dB VAVDD = 1.65V to 1.95V, input referred 60 80 f = 217Hz, VRIPPLE = 100mV, AVADC = 0dB, input referred 80 f = 1kHz, VRIPPLE = 100mV, AVADC = 0dB, input referred 78 Power-Supply Rejection Ratio PSRR f = 10kHz, VRIPPLE = 100mV, AVADC = 0dB, input referred 72 dB MICROPHONE BIAS VMICVDD = 1.8V, MBIAS = 0 1.48 1.52 1.56 MICBIAS Output Voltage VMICBIAS ILOAD = 1mA VMICVDD = 3V, MBIAS = 0 2.15 2.2 2.25 V Load Regulation ILOAD = 1mA to 2mA, MBIAS = 0 0.6 10 V/A Line Regulation VAVDD = 1.8V, VMICVDD = 1.65V to 1.95V, MBIAS = 0 1.55 mV/V f = 217Hz, VRIPPLE = 100mVP-P 100 Power-Supply Rejection Ratio PSRR f = 10kHz, VRIPPLE = 100mVP-P 90 dB Noise Voltage A-weighted 9.5 µVRMS LINE INPUT Full-Scale Input VIN AVLINE = 0dB 1.0 VP-P LIGL/LIGR = 0x00 22.8 23.9 24.9 LIGL/LIGR = 0x01 20.7 21.9 22.9 LIGL/LIGR = 0x02 18.9 20 20.9 LIGL/LIGR = 0x04 14.9 16 16.9 Line Input Level Adjust AVLINE LIGL/LIGR = 0x08 6.9 8 8.9 dB |
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