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MAX9877AERP+T Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX9877AERP+T Datasheet(HTML) 4 Page - Maxim Integrated Products |
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4 / 31 page  Low RF Susceptibility, Mono Audio Subsystem with DirectDrive Headphone Amplifier 4 _______________________________________________________________________________________ ELECTRICAL CHARACTERISTICS (continued) (VDD = PVDD = 3.7V, VGND = VPGND = 0V. Single-ended inputs, preamp gain = 0dB, volume controls = 0dB, OSC = 00, BYPASS = 0, SHDN = 1. Speaker loads (ZSPK) connected between OUT+ and OUT-. Headphone loads (RHP) connected from HPL or HPR to GND. SDA and SCL pullup voltage = 3.3V. ZSPK = ∞, RHP = ∞. C1 = C2 = CBIAS = 1µF. TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 3) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Spread-spectrum modulation mode, OSC = 00 1176 ±60 Fixed-frequency mode, OSC = 01 1100 Output Frequency Fixed-frequency mode, OSC = 10 700 kHz Current Limit 1.5 A Efficiency η POUT = 600mW, f = 1kHz 87 % Speaker Gain AV 11.5 12.0 12.5 dB Output Noise A-weighted, OUTMODE = 1, ∆IN_ = 0 (Note 4) 63 µVRMS HEADPHONE AMPLIFIERS (OUTMODE = 2) TA = +25°C (volume at mute) ±0.15 ±0.6 Output Offset Voltage VOS TA = +25°C (volume at 0dB) ±1.6 mV Into shutdown -80 Click-and-Pop Level KCP Peak voltage, TA = +25°C, A-weighted, 32 samples per second. volume at mute (Note 4) Out of shutdown -80 dBV PVDD = VDD = 2.7V to 5.25V 70 85 f = 217Hz, VRIPPLE = 100mVP-P 84 f = 1kHz, VRIPPLE = 100mVP-P 80 Power-Supply Rejection Ratio (Note 4) PSRR TA = +25°C, PVDD = VDD f = 20kHz, VRIPPLE = 100mVP-P 62 dB RHP = 16 Ω 53 Output Power POUT THD+N ≤ 1% RHP = 32 Ω 27 mW Headphone Gain AV -0.4 0 +0.4 dB Channel-to-Channel Gain Tracking TA = +25°C, HPL to HPR, volume at 0dB, OUTMODE = 2, 5; ∆IN_ = 0 ±0.3 ±2.5 % RHP = 32 Ω (POUT = 10mW, f = 1kHz) 0.016 Total Harmonic Distortion Plus Noise THD+N RHP = 16 Ω (POUT = 10mW, f = 1kHz), TA = +25°C 0.03 % ∆IN_ = 0 (single-ended) 98 A-weighted, OUTMODE = 2, 3, 5, 6; RHP = 16Ω ∆IN_ = 1 (differential) 98 ∆IN_ = 0 (single-ended) 96 Signal-to-Noise Ratio SNR A-weighted, RHP = 16Ω, OUTMODE = 8, 9 ∆IN_ = 1 (differential) 96 dB |
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Similar Description - MAX9877AERP+T |
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