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MAX9718GEUB+ Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX9718GEUB+ Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 26 page TOTAL HARMONIC DISTORTION PLUS NOISE vs. FREQUENCY FREQUENCY (Hz) 100 1k 10k 0.001 0.01 0.1 1 10 0.0001 10 100k VCC = 5V RL = 4 Ω AV = 2 OUTPUT POWER = 1W OUTPUT POWER = 50mW TOTAL HARMONIC DISTORTION PLUS NOISE vs. FREQUENCY FREQUENCY (Hz) 100 1k 10k 0.001 0.01 0.1 1 10 0.0001 10 100k VCC = 5V RL = 4 Ω AV = 4 OUTPUT POWER = 1W OUTPUT POWER = 200mW TOTAL HARMONIC DISTORTION PLUS NOISE vs. FREQUENCY FREQUENCY (Hz) 100 1k 10k 0.001 0.01 0.1 1 10 0.0001 10 100k VCC = 5V RL = 8 Ω AV = 2 OUTPUT POWER = 250mW OUTPUT POWER = 750mW Typical Operating Characteristics (VCC = 5V, CBIAS = 0.1µF, THD+N measurement bandwidth = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.) Note 1: All specifications are 100% tested at TA = +25°C. Specifications over temperature (TA = TMIN to TMAX) are guaranteed by design, not production tested. Note 2: Quiescent power-supply current is specified and tested with no load. Quiescent power-supply current depends on the offset voltage when a practical load is connected to the amplifier. Guaranteed by design. Note 3: Common-mode bias voltage is the voltage on BIAS and is nominally VCC/2. Note 4: Output power is specified by a combination of a functional output current test and characterization analysis. Note 5: Measurement bandwidth for THD+N is 22Hz to 22kHz. Note 6: Peak voltage measured at power-on, power-off, into or out of SHDN. Bandwidth defined by A-weighted filters, inputs at AC GND. VCC rise and fall times greater than or equal to 1ms. Low-Cost, Mono/Stereo, 1.4W Differential Audio Power Amplifiers 4 _______________________________________________________________________________________ ELECTRICAL CHARACTERISTICS—3V Supply (continued) (VCC = 3V, GND = 0, SHDN/SHDN = VCC (MAX9718/MAX9719), SHDM = GND (MAX9718), RIN = RF = 10kΩ (MAX971_A/H), TA = +25°C. CBIAS = 0.1µF, no load. Typical values are at TA = +25°C, unless otherwise noted.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Output Power POUT RL = 8 Ω, THD+N = 1%, fIN = 1kHz (Note 4) 475 mW Total Harmonic Distortion Plus Noise THD+N RL = 8 Ω, fIN = 1kHz, POUT = 0.25W, AV = 6dB 0.003 % Thermal-Shutdown Threshold +160 °C Thermal-Shutdown Hysteresis 15 °C Maximum Capacitive Drive CLOAD Bridge-tied capacitance 500 pF Power-Up/Enable from Shutdown Time tPU 10 ms Shutdown Time tSHDN 3µs Turn-Off Transient VPOP (Note 6) 40 mV Crosstalk MAX9719, fN = 1kHz -85 dB |
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