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MAX9729 Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX9729 Datasheet(HTML) 5 Page - Maxim Integrated Products |
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5 / 28 page  Stereo Headphone Amplifier with BassMax, Volume Control, and Input Mux _______________________________________________________________________________________ 5 TIMING CHARACTERISTICS (VDD = PVDD = SHDN = 3V, PGND = SGND = 0V, C1 = C2 = C3 = 1µF, BM_ = 0V, maximum gain setting = 6dB, volume setting = -16dB (overall gain = -10dB), BassMax disabled. Load connected between OUT_ and PGND where specified. TA = TMIN to TMAX, unless other- wise noted. Typical values are at TA = +25°C.) (Notes 1 and 6) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Serial Clock Frequency fSCL 0 400 kHz Bus Free Time Between a STOP and a START Condition tBUF 1.3 µs Hold Time Repeated for a START Condition tHD:STA 0.6 µs Low Period of the SCL Clock tLOW 1.3 µs High Period of the SCL Clock tHIGH 0.6 µs Setup Time for a Repeated START Condition tSU:STA 0.6 µs Data Hold Time tHD:DAT 0 0.9 µs Data Setup Time tSU:DAT 100 ns Rise Time of Both SDA and SCL Signals tr 300 ns Fall Time of Both SDA and SCL Signals tf 300 ns Setup Time for STOP Condition tSU:STO 0.6 µs Pulse Width of Suppressed Spike tSP 50 ns Capacitive Load for Each Bus Line CL_BUS 400 pF ELECTRICAL CHARACTERISTICS (2.4V Supply) (continued) (VDD = PVDD = SHDN = 2.4V, PGND = SGND = 0V, C1 = C2 = C3 = 1µF, BM_ = 0V, maximum gain setting = 6dB, volume attenuation setting = -16dB (overall gain = -10dB), BassMax disabled. Load connected between OUT_ and PGND where specified. THD+N measurement BW = 22Hz to 22kHz. TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS BW = 22Hz to 22kHz 98 Signal-to-Noise Ratio SNR RL = 32 Ω, VOUT = 1VRMS, overall gain = 3.5dB BW = 22Hz to 22kHz and A-weighted 101 dB Into shutdown 79 Click-and-Pop Level KCP Peak voltage, A-weighted, 32 samples per second (Notes 3 and 5) Out of shutdown 79 dBV Note 1: All specifications are 100% tested at TA = +25°C. Temperature limits are guaranteed by design. Note 2: VDD and PVDD must be connected together. Note 3: Inputs AC-coupled to SGND. Note 4: Both channels loaded and driven in phase. Note 5: Headphone testing performed with a 32Ω resistive load connected to PGND. Mode transitions are controlled by SHDN. KCP level is calculated as 20log[(peak voltage during mode transition, no input signal)/1VRMS]. Units are expressed in dBV. Note 6: Guaranteed by design. |
Similar Part No. - MAX9729 |
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Similar Description - MAX9729 |
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