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MAX98374 Datasheet(PDF) 13 Page - Analog Devices |
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MAX98374 Datasheet(HTML) 13 Page - Analog Devices |
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13 / 129 page  (VPVDD = 12V, VDVDD = 1.8V, AGND = DGND = PGND = 0V, CPVDD = 2x10µF + 2x0.1µF + 1x220µF, CDVDD = 1µF, ZVREFC = 10µF + 30Ω, ZSPK = Open, SPK_GAIN_MAX = 0x7, SPK_FSW_SEL = 0, AC Measurement Bandwidth = 20Hz to 20kHz, PCM Interface, fS = 48kHz, 24-bit data, TA = TMIN to TMAX unless otherwise noted. Typical values are at TA = +25°C.) (Note 2) Electrical Characteristics (continued) PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS Turn-On Time tON From EN bit set to 1 to full operation Volume ramping disabled 4.8 ms Volume ramping enabled 6.4 Turn-Off Time tOFF From EN bit set to 0 to shutdown Volume ramping disabled 0.01 ms Volume ramping enabled 1.8 DIGITAL FILTER CHARACTERISICS (fS < 50kHz) (Note 4) Valid Sample Rates 16 48 kHz Passband fPLP Ripple < δP 0.4535 x fS Hz Droop < -3dB 0.459 x fS Passband Ripple δP f < fPLP, referenced to signal level at 1kHz -0.1 +0.1 dB Stopband fSLP Attenuation > δS 0.49 x fS Hz Stopband Attenuation δS f > fSLP 80 dB Max Group Delay f = 1kHz, all sample rates 8 samples DIGITAL FILTER CHARACTERISICS (fS > 50kHz) (Note 4) Valid Sample Rates 88.2 96 kHz Passband fPLP Ripple < δP 0.23 x fS Hz Droop < -3dB 0.31 x fS Passband Ripple δP f < fPLP, referenced to signal level at 1kHz -0.1 +0.1 dB Stopband fSLP Attenuation > δS 0.49 x fS Hz Stopband Attenuation δS f > fSLP 80 dB Group Delay f = 1kHz, all sample rates 13 samples DIGITAL HIGHPASS FILTER CHARACTERISTICS (Note 4) DC Attenuation 80 dB DC Blocking Cutoff Frequency Scales with sample rate 1.872 Hz DIGITAL VOLUME CONTROL Maximum Digital Volume SPK_VOL[6:0] = 0x00 0 dB Minimum Digital Volume SPK_VOL[6:0] = 0x7E -63 dB Digital Volume Control Step Size 0.5 dB MAX98374 Digital Input Class D Speaker Amplifier with DHT www.maximintegrated.com Maxim Integrated │ 13 |
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