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MAX9725 데이터시트(PDF) 3 Page - Maxim Integrated Products |
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MAX9725 데이터시트(HTML) 3 Page - Maxim Integrated Products |
3 / 14 page 1V, Low-Power, 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. Note 3: Testing performed with 32 Ω resistive load connected to outputs. Mode transitions controlled by SHDN. KCP level calculated as 20 log [peak voltage under normal operation at rated power level / peak voltage during mode transition]. Inputs are AC- grounded. 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 = 16 Ω 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 = 32 Ω 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 = 16 Ω 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 = 32 Ω 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 = 16 Ω 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 = 32 Ω 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 Slew Rate SR 0.2 V/µs Maximum Capacitive Load CL No sustained oscillations 150 pF Crosstalk XTALK fIN = 1.0kHz, RL = 32 Ω, POUT = 5mW 100 dB Into shutdown 72.8 Click/Pop Level KCP RL = 32 Ω, peak voltage, A- weighted, 32 samples per second (Note 3) Out of shutdown 72.8 dB ESD Protection VESD Human Body Model (OUTR, OUTL) ±8 kV |
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