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MAX9717A Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX9717A Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 19 page Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers 4 _______________________________________________________________________________________ ELECTRICAL CHARACTERISTICS—3V Supply (continued) (VCC = 3V, GND = 0, SHDN = VCC, TA = +25°C. CBIAS = 1µF, RIN = RF = 20k Ω (MAX9716/MAX9717A), IN+ = BIAS (MAX9716), BTL/SE = GND (MAX9717_), RL = ∞ connected between OUT+ and OUT-. Typical values are at TA = +25°C.) (Note 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Output Short-Circuit Current Limit ISC (Note 9) 1.1 A Thermal Shutdown Threshold +160 °C Thermal Shutdown Hysteresis 15 °C 250 Power-Up/Enable from Shutdown Time (Note 10) tPU CBIAS = 0.1µF 25 ms Shutdown Time tSHDN 5µs Input Resistance RIN MAX9717B/C/D 12 20 28 k Ω Note 1: Continuous power dissipation must also be observed. Note 2: All specifications are tested at TA = +25°C. Specifications over temperature (TA = TMIN to TMAX) are not production tested, and guaranteed by design. Note 3: Quiescent power-supply current is specified and tested with no load. Quiescent power-supply current depends on the off- set voltage when a practical load is connected to the amplifier. Note 4: Common-mode bias voltage is the voltage on BIAS and is nominally VCC/2. Note 5: VOS = VOUT+ - VOUT-. Note 6: The amplifier input IN- is AC-coupled to GND through CIN. Note 7: Output power is specified by a combination of a functional output current test and characterization analysis. Note 8: Measurement bandwidth for THD+N is 22Hz to 22kHz. Note 9: Extended short-circuit conditions result in a pulsed output. Note 10: Time for VOUT to rise to 50% of final DC value. |
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