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MAX13330 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX13330 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 15 page General Description The MAX13330/MAX13331 stereo headphone amplifiers are designed for automotive applications requiring out- put short-circuit and ESD protection to battery/ground with diagnostics. These devices use Maxim’s unique DirectDrive® architecture to produce a ground-refer- enced output from a single supply, eliminating the need for large DC-blocking capacitors, saving board space and component height. The gain of the amplifier is set internally (-1.5V/V) on the MAX13330 or adjusted exter- nally with resistors on the MAX13331. The MAX13330/MAX13331 deliver 120mW per channel into a 16 Ω load or 135mW into a 32Ω load and have a low 0.01% THD+N. Low output impedance and the effi- cient integrated charge pump allows the device to drive loads as low as 8 Ω, enabling the use of small loud- speakers. An 80dB at 217Hz PSRR allows these devices to operate from noisy digital supplies without an additional linear regulator. These devices include ±15kV Human Body Model ESD protection and short- circuit protection up to +45V at the headphone outputs. Comprehensive click-and-pop circuitry suppresses audible clicks and pops on startup and shutdown. A low-power shutdown mode reduces the supply current to 3µA (typ). The MAX13330/MAX13331 are specified from -40°C to +105°C AEC-Q100 Level 2 automotive temperature range and are available in a 16-pin QSOP package. Applications Automotive Entertainment Systems Automotive Rear Seat Entertainment Systems Features ♦ 4V to 5.5V Single-Supply Operation ♦ 2MHz Charge Pump Prevents AM Radio Interference ♦ Ground-Referenced Outputs Eliminate Bulky DC- Blocking Capacitors ♦ Short-to-Ground and Battery (VBAT up to +45V) Output Protection, Load Dump Protection ♦ Short-Circuit Diagnostic Output ♦ Adjustable Gain (MAX13331) or Fixed -1.5V/V Gain (MAX13330) ♦ 125mW per Channel into 32Ω at 0.01% THD+N ♦ Integrated Click-and-Pop Suppression ♦ High PSRR Eliminates LDO ♦ No Degradation of Low-Frequency Response Due to Output Capacitors ♦ ±15kV Human Body Model ESD Protection for Output Pins Automotive DirectDrive Headphone Amplifiers with Output Protection and Diagnostics ________________________________________________________________ Maxim Integrated Products 1 MAX13330 MAX13331 OUTR VSS PGND OUTL 13 14 15 16 4 3 2 1 SGND DIAG 12 5 VDD INR SGND INL QSOP + PGND C1N CPVSS 9 10 11 8 7 6 C1P CPVDD SHDN Pin Configuration CLICK-AND-POP SUPPRESSION RIGHT-CHANNEL AUDIO IN LEFT-CHANNEL AUDIO IN MAX13330 DIAGNOSTICS OUTPUT SHDN Simplified Block Diagram 19-4341; Rev 3; 7/11 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. DirectDrive is a registered trademark of Maxim Integrated Products, Inc. Ordering Information /V denotes an automotive qualified part. + Denotes a lead(Pb)-free/RoHS-compliant package. T = Tape and reel. Typical Application Circuits appear at end of data sheet. PART GAIN TEMP RANGE PIN- PACKAGE MAX13330GEE/V+T -1.5V/V -40°C to +105°C 16 QSOP MAX13331GEE/V+T Externally Set -40°C to +105°C 16 QSOP |
Similar Part No. - MAX13330_11 |
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Similar Description - MAX13330_11 |
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