MAX9830 19-4806 Rev 1 4/10 Mono 2W Class D Amplifier General Description Features The MAX9830 mono 2W Class D amplifier provides Industry-Leading Quiescent Current: 1.6mA at 5V, Class AB audio performance with Class D efficiency. 1.2mA at 3.6V Active emissions limiting edge rate and overshoot con- Spread Spectrum and Active Emissions Limiting trol circuitry greatly reduces EMI. A filterless spread- Passes EMI Limit Unfiltered with Up to 24in spectrum modulation scheme eliminates the need for output filtering found in traditional Class D devices. (61cm) of Speaker Cable These features reduce application component count. Click-and-Pop Suppression The MAX9830s industry-leading 1.6mA at 5V, 1.2mA at Thermal and Overcurrent Protection 3.6V, quiescent current extends battery life in portable applications. Low 0.5A Current Shutdown Mode The MAX9830 is available in an 8-pin TDFN (2mm x Space-Saving, 2mm x 2mm x 0.8mm, 8-Pin TDFN 2mm x 0.8mm) and is specified over the extended Package -40C to +85C temperature range. Applications Ordering Information Notebook and Netbook Computers Cellular Phones PART TEMP RANGE PIN-PACKAGE MP3 Players MAX9830AETA+ -40C to +85C 8 TDFN-EP* Portable Audio Players +Denotes a lead(Pb)-free/RoHS-compliant package. *EP = Exposed pad. VoIP Phones Pin Configuration Typical Operating Circuit TOP VIEW PVDD OUT+ OUT- PGND 867 5 +2.6V TO +5.5V 0.47F IN+ PVDD 0.1F 0.47F MAX9830 IN- MAX9830 OUT+ *EP SHDN + OUT- 1 2 34 N.C. PGND IN+ IN- SHDN N.C. TDFN 2mm x 2mm x 0.8mm *EP = EXPOSED PAD. CONNECT THE EP TO PGND TO ENHANCE THERMAL DISSIPATION. Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com. EVALUATION KIT AVAILABLEMono 2W Class D Amplifier ABSOLUTE MAXIMUM RATINGS Voltage Continuous Power Dissipation for a Multilayer Board PVDD, IN+, IN-, SHDN, to PGND .........................-0.3V to +6V (T = +70C) A OUT+, OUT- to PGND...........................-0.3V to V + 0.3V 8-Pin TDFN-EP (derate 11.9mW/C) .........................953.5mW PVDD Current Junction Temperature......................................................+150C Continuous Current Into/Out of PVDD, PGND, Operating Temperature Range ...........................-40C to +85C OUT+, OUT- ..............................................................600mA Storage Temperature Range .............................-65C to +150C Continuous Input Current (all other pins) .....................20mA Lead Temperature (soldering, 10s) .................................+300C Duration of Short Circuit Between Soldering Temperature (reflow) .......................................+260C OUT+, OUT-, and PVDD, PGND............................Continuous Rate of Voltage Rise at PVDD .............................................1V/s Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (V = V = 5V, V = 0V, R = , unless otherwise specified. R connected between OUT+ and OUT-, AC measurement PVDD SHDN PGND L L bandwidth 20Hz to 22kHz, T = T to T , unless otherwise noted. Typical values are at T = +25C.) (Notes 1, 2) A MIN MAX A PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS SPEAKER AMPLIFIER Voltage Range PVDD Inferred from PSRR test 2.6 5.5 V V = 5.0V 1.6 2.5 PVDD Quiescent Supply Current I mA DD V = 3.6V 1.2 PVDD Shutdown Supply Current I V = 0V, T = +25C 0.5 10 A SHDN SHDN A Turn-On Time t 1.9 4 ms ON Bias Voltage V 1.31 V BIAS Single ended 1 Maximum AC Input Voltage V V IN RMS Differential 2 Between inputs 85.6 Input Resistance in Shutdown R k INSD From inputs to PGND 43 Input Resistance R 12 20 k IN Voltage Gain A 12 dB V Common-Mode Rejection Ratio CMRR f = 1kHz, input referred 48 dB IN V = 2.6V to 5.5V, T = +25C 54 64.3 PVDD A Power-Supply Rejection Ratio PSRR f = 217Hz 72 dB PVDD = RIPPLE RIPPLE 200mV (Note 3) P-P f = 20kHz 64 RIPPLE R = 8 1.5 THD+N = 10%, L Output Power P W OUT f = 1kHz IN R = 4 2.25 L R = 8 , P = L OUT 0.04 Total Harmonic Distortion Plus THD+N f = 1kHz 0.5W % IN Noise R = 4 , P = 1W 0.04 L OUT Output Offset Voltage V T = +25C 3 30 mV OS A Peak voltage, Into shutdown -56 A-weighted, 32 Click-and-Pop Level K dBV CP samples/sec Out of shutdown -56 (Notes 3, 4) 2 MAX9830