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MAX98400A Datasheet(PDF) 6 Page - Maxim Integrated Products |
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MAX98400A Datasheet(HTML) 6 Page - Maxim Integrated Products |
6 / 26 page Stereo, High-Power, Class D Amplifiers 6 Note 2: 100% production tested at TA = +25NC. Specifications over temperature limits are guaranteed by design. Note 3: The MAX98400A stereo mode is specified with an 8I resistive load in series with a 68FH inductive load connected across BTL outputs. The MAX98400A mono mode is specified with a 4I resistive load in series with 33FH inductive load. The MAX98400B is specified with an 8I resistive load in series with a 68FH inductive load connected across BTL outputs. Note 4: Amplifier inputs AC-coupled to GND. Note 5: Mode transitions controlled by SHDN. Note 6: Relative to equivalent full-scale undistorted output. Full scale (FS) = VPVDD x 0.95. Note 7: Relative to equivalent full-scale undistorted output. Full scale (FS) = VPVDD. ELECTRICAL ChARACTERISTICS (continued) (VPVDD = 18V, CIN = 1FF, VSHDN = 5V, LIM_TH = VS, TEMPLOCK = unconnected; G1 = GND, G2 = open (gain = 20.1dB), CREL = 1FF, C1 = C2 = 1FF, RL = J, AC measurement bandwidth 20Hz to 20kHz, differential input signal, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25NC.) (Notes 2, 3) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS VGA Distortion Compression = 0 to -12dB 3.5 % LIM_TH Input-Voltage Low (PVDD Tracking) 0.15 V LIM_TH Input-Voltage High (Limiter Off) VS - 1 V Channel-to-Channel Attenuation Tracking Q 1 dB ThERMAL FOLDBACK Internal Templock Resistor 120 205 310 kI Trigger Temperature +130 N C Hard Thermal Protection +165 N C LOGIC INPUT (G1, G2) Sink Current TA = +25NC, VG1, VG2 = 0V +2.5 +5 +8 F A Source Current TA = +25NC, VG1, VG2 = VS -8 -5 -2.5 F A Input High Threshold 0.8 x VS V Input Low Threshold 0.3 x VS V Input Three-State Window 0.45 x VS 0.5 x VS 0.55 x VS V LOGIC INPUT (SHDN, MONO (MAX98400A Only)) Input Leakage Current IIN TA = +25NC Q 10 F A Input High Threshold VINH 2 V Input Low Threshold VINL 0.4 V Input-Voltage Hysteresis 100 mV |
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