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MAX9721 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX9721 Datasheet(HTML) 3 Page - Maxim Integrated Products |
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3 / 14 page  1V, Fixed-Gain, DirectDrive, Stereo Headphone Amplifier with Shutdown _______________________________________________________________________________________ 3 Note 1: Input leakage current measurements limited by automated test equipment. Note 2: fIN = 1kHz, TA = +25°C, THD+N < 1%, both channels driven in-phase. Typical Operating Characteristics (VDD = 1.5V, PGND = SGND = 0V, VSHDN = 1.5V, VSS = PVSS, C1 = C2 = 1µF, CIN = 1µF, THD+N measurement bandwidth = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.) (See the Functional Diagram.) 10 10k 1k 100 100k TOTAL HARMONIC DISTORTION PLUS NOISE vs. FREQUENCY FREQUENCY (Hz) 1 0.1 0.001 0.01 VDD = 1.5V RL = 16Ω AV = -2V/V POUT = 15mW POUT = 2mW 10 10k 1k 100 100k TOTAL HARMONIC DISTORTION PLUS NOISE vs. FREQUENCY FREQUENCY (Hz) 1 0.1 0.001 0.01 VDD = 1.5V RL = 32Ω AV = -2V/V POUT = 12mW POUT = 2mW 10 10k 1k 100 100k TOTAL HARMONIC DISTORTION PLUS NOISE vs. FREQUENCY FREQUENCY (Hz) 1 0.1 0.001 0.01 VDD = 1V RL = 16Ω AV = -2V/V POUT = 0.7mW POUT = 4mW 10 10k 1k 100 100k TOTAL HARMONIC DISTORTION PLUS NOISE vs. FREQUENCY FREQUENCY (Hz) 1 0.1 0.001 0.01 POUT = 0.7mW POUT = 4mW VDD = 1V RL = 32Ω AV = -2V/V 100 010203040 10 1 0.1 0.01 0.001 TOTAL HARMONIC DISTORTION PLUS NOISE vs. OUTPUT POWER OUTPUT POWER (mW) VDD = 1.5V RL = 16Ω AV = -2V/V fIN = 20Hz fIN = 1kHz fIN = 10kHz 100 010203040 10 1 0.1 0.01 0.001 TOTAL HARMONIC DISTORTION PLUS NOISE vs. OUTPUT POWER OUTPUT POWER (mW) VDD = 1.5V RL = 32Ω AV = -2V/V fIN = 20Hz fIN = 1kHz fIN = 10kHz ELECTRICAL CHARACTERISTICS (continued) (VDD = 1.5V, PGND = SGND = 0V, VSHDN = 1.5V, VSS = PVSS, C1 = C2 = 1µF, CIN = 1µF, RL = ∞, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (See the Functional Diagram.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS BW = 22Hz to 22kHz 89 Signal-to-Noise Ratio SNR RL = 32Ω, POUT = 12mW A-weighted filter 92 dB Slew Rate SR 0.2 V/µs Maximum Capacitive Load CL No sustained oscillations 150 pF Crosstalk XTALK fIN = 1.0kHz, RL = 32Ω, POUT = 5mW 100 dB ESD Protection VESD Human body model (OUTR, OUTL) ±8 kV |
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