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MAX9709ECB Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX9709ECB Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 24 page 25W/50W, Filterless, Spread-Spectrum, Stereo/Mono, Class D Amplifier _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (PVDD = VDD = +20V, PGND = GND = 0V, CSS = 0.47µF, CREG = 0.01µF, C1 = 0.1µF, C2 = 1µF, RLOAD = ∞, MONO = low (stereo mode), SHDN = MUTE = high, G1 = low, G2 = high (AV = 22dB), FS1 = FS2 = high (SSM), SYNCIN = low. All load resistors (RL) are connected between OUT_+ and OUT_-, unless otherwise stated. TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS G1 = 0, G2 = 1 21.6 22.0 22.3 G1 = 1, G2 = 1 24.9 25.0 25.6 G1 = 1, G2 = 0 29.2 29.5 29.9 Gain AV G1 = 0, G2 = 0 35.9 36.0 36.6 dB TH2 TH1 TH0 00 0 80 00 1 90 0 1 0 100 0 1 1 110 1 0 0 120 1 0 1 129 1 1 0 139 TEMP Flag Threshold TFLAG 11 1 °C TEMP Flag Accuracy From +80°C to +140°C ±6 °C TEMP Flag Hysteresis 2°C STEREO MODE (RLOAD = 8 Ω, Note 3) MUTE = 1, RLOAD = ∞ 20 33 Quiescent Current MUTE = 0 6.5 13 mA PVDD = 20V 25 PVDD = 22V 29 Output Power POUT f = 1kHz, THD = 10%, TA = +25°C PVDD = 12V, RLOAD = 4 Ω 15 W Total Harmonic Distortion Plus Noise THD+N f = 1kHz, BW = 22Hz to 22kHz, POUT = 12W 0.1 % 22Hz to 22kHz 91 Signal-to-Noise Ratio SNR POUT = 10W A-weighted 96 dB Efficiency η POUT = 25W + 25W, f = 1kHz 87 % Left-Right Channel Gain Matching RLOAD = ∞ 0.2 % |
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