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MAX9867 Datasheet(PDF) 8 Page - Maxim Integrated Products |
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MAX9867 Datasheet(HTML) 8 Page - Maxim Integrated Products |
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8 / 55 page ![]() Ultra-Low Power Stereo Audio Codec 8 _______________________________________________________________________________________ PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS VAVDD = VPVDD = 1.65V to 1.95V 60 78 f = 217Hz, VRIPPLE = 100mVP-P, AVVOL = 0dB 78 f = 1kHz, VRIPPLE = 100mVP-P, AVVOL = 0dB 75 Power-Supply Rejection Ratio (Note 7) PSRR f = 10kHz, VRIPPLE = 100mVP-P, AVVOL = 0dB 62 dB AVVOL = -84dB differential mode (LOUTP–LOUTN, ROUTP–ROUTN), TA = +25°C ±0.2 Output Offset Voltage VOS AVVOL = -84dB capacitorless mode (LOUTP–LOUTN, ROUTP–LOUTN), TA = +25°C ±0.8 mV Differential mode, POUT = 5mW, f = 1kHz 87 TQFN 55 Crosstalk XTALK Capacitorless mode, POUT = 5mW, f = 1kHz WLP 60 dB RL = 32 Ω 500 Capacitive Drive No sustained oscillations RL = ∞ 100 pF Into shutdown -80 Click-and-Pop Level (Differential, Capacitorless Modes) Peak voltage, A-weighted, 32 samples per second Out of shutdown -69 dBV Into shutdown -75 Click-and-Pop Level (SE Mode) Peak voltage, A-weighted, 32 samples per second Out of shutdown -75 dBV MICROPHONE AMPLIFIER PALEN/PAREN = 01 -0.5 0 +0.5 PALEN/PAREN = 10 19.5 20 20.5 Preamplifier Gain AVPRE PALEN/PAREN = 11 29.5 30 30.5 dB PGAML/PGAMR = 0x1F -0.6 -0.1 +0.4 MIC PGA Gain AVPGAM PGAML/PGAMR = 0x00 19.3 19.75 20.3 dB Common-Mode Rejection Ratio CMRR VIN = 100mVP-P, f = 217Hz 50 dB MIC Input Resistance RIN_MIC All gain settings 30 50 k Ω ELECTRICAL CHARACTERISTICS (continued) (VAVDD = VPVDD = VDVDD = VDVDDIO = +1.8V, RL = ∞, headphone load (RL) connected between _OUTP and _OUTN in differential mode, CREF = 2.2µF, CMICBIAS = CPREG = CREG = 1µF, AVPRE = +20dB, AVPGAM = 0dB, AVDAC = 0dB, AVLINE = +20dB, AVVOL = 0dB, MCLK = 13MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2) |
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