APA4863

APA4863 Stereo 2.2W Audio Power Amplifier Features • • • • Depop Circuitry Integrated Thermal Shutdown Circuitry Integrated Bridge-Tied Load (BTL) or Single-Ended (SE) Modes Operation Output Power at 1% THD+N, VDD=5V - 2.2W/Ch (Typ.) into a 3Ω Load - 1.8W/Ch (Typ.) into a 4Ω Load - 1.2 W/Ch (Typ.) into a 8Ω Load General Description The APA4863 is a stereo bridge-tied audio power amplifier in various power packages, including SOP, TSSOP, and TSSOP-P. When connecting to a 5V voltage supply, the APA4863 is capable of delivering 2.2W/1.8W/1.2W of continuous RMS power per channel into 3 Ω /4 Ω /8 Ω bridge-tied loads with less than 1% THD+N respectively. When APA4863 operates in the single-ended load, it is capable of delivering 90mW of continuous RMS power per channel into 32Ω load. The APA4863 simplifies design and frees up board space for other features. T h e A PA4863 also served well in low-voltage applications, which provides 750mW (1% THD+N) per channel into 4Ω loads with a 3.3V supply voltage. Both of the depop circuitry and the thermal shutdown protection circuitry are integrated in the APA4863, which reduces pops and clicks noise during power up and when using the shutdown mode and protects the chip from being destroyed by over-temperature failure. To simplify the audio system design in notebook computer applications, the APA4863 combines a stereo bridge-tied loads mode for speaker drive and a stereo single-end mode for headphone drive into a single chip, where both modes are easily switched by the HP-IN input control pin signal. For power sensitive applications, the APA4863 also features a shutdown function which keeps the supply current only 0.5 µA (typ.). • • • • Shutdown Control Mode, ISD= 0.5 µA Output Power (SE) at 0.5% THD+N, VDD=5V - 90mΩ /Ch (Typ.) into a 32Ω Load Various Power Packages Available SOP-16, TSSOP-20, and TSSOP-20P Lead Free and Green Devices Available (RoHS Compliant) Applications • • • Stereo Audio Power Amplifier for Notebook Computer Portable Televisions Portable and Desktop Computers Ordering and Marking Information APA4863 Assembly Material Handling Code Temperature Range Package Code APA4863 K/O/R : APA4863 XXXXX Package Code K : SOP-16 O : TSSOP-20 R : TSSOP-20P Operating Ambient Temperature Range I : -40 to 85 oC Handling Code TR : Tape & Reel Assembly Material G : Halogen and Lead Free Device XXXXX - Date Code Note: ANPEC lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which are fully compliant with RoHS. ANPEC lead-free products meet or exceed the lead-free requirements of IPC/JEDEC J-STD-020D for MSL classification at lead-free peak reflow temperature. ANPEC defines “Green” to mean lead-free (RoHS compliant) and halogen free (Br or Cl does not exceed 900ppm by weight in homogeneous material and total of Br and Cl does not exceed 1500ppm by weight). ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise customers to obtain the latest version of relevant information to verify before placing orders. Copyright © ANPEC Electronics Corp. Rev. A.7 - Oct., 2009 1 www.anpec.com.tw APA4863 Pin Configuration SHUTDOWN GND + OUT A VDD - OUT A - IN A GND + IN A 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 HP-IN GND + OUT B VDD - OUT B - IN B BYPASS + IN B SHUTDOWN GND + OUT A VDD - OUT A - IN A GND + IN A NC NC 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 HP-IN GND + OUT B VDD - OUT B - IN B BYPASS + IN B NC NC SOP-16 (Top View) TSSOP-20 (Top View) SHUTDOWN GND + OUT A VDD - OUT A - IN A GND + IN A GND GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 HP-IN GND + OUT B VDD - OUT B - IN B BYPASS + IN B GND GND Thermal Pad TSSOP-20P (Top View) TSSOP-20P (Bottom View) Absolute Maximum Ratings Symbol VDD TA TJ TSTG TS Supply Voltage Operating Ambient Temperature Range Maximum Junction Temperature Storage Temperature Range (Note 1) Rating 6 -40 to 85 150 -65 to +150 260 Unit V °C °C °C °C (Over operating free-air temperature range unless otherwise noted.) Parameter Maximum Lead Soldering Temperature, 10 Seconds Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Recommended Operating Conditions Symbol VDD Supply Voltage VDD=5V, 250mW/Ch average power 4-Ω stereo BTL drive, with proper PCB design VDD=5V, 1.8 W/Ch average power 4-Ω stereo BTL drive, with proper PCB design and 300 CFM forced-air cooling VDD=5 V VDD=3.3V Parameter Min. 3 -20 Range Typ. 5 Max. 5.5 85 °C -20 85 V Unit TA Operating Free-Air Temperature VICM Common Mode Input Voltage 1.25 1.25 - 4.5 2.7 V Copyright © ANPEC Electronics Corp. Rev. A.7 - Oct., 2009 2 www.anpec.com.tw APA4863 Dissipation Rating Table Packge SOP-16 (Note 2) TSSOP-20 (Note 3) Air Flow (CFM) 0 0 200 0 200 Thermal Resistance θJA(oC/W) 80 73.2 66.6 37.6 32.3 TA≤25oC 1.6W 1.7W 1.8W 3.3W 3.8W TA=70oC 1.0W 1.1W 1.2W 2.1W 2.4W TSSOP-20P (Note 3) Note 2 : The parameter is measured with the recommended copper heat sink pattern on an 2-layer PCB, 11.7 in2 3.0×2.4 in2 in PCB, 1oz. copper, 3.0×1.5 in2 in coverage at Top-layer and Bottom-layer at 100% coverage (7.2in2). Note 3 :The parameter is measured with the JEDEC standard test boards (multi-layer PCB). Electrical Characteristics Electrical Characteristics for Entire IC The following specifications apply for VDD= 5V unless otherwise noted. Limits apply for TA= 25°C Symbol VDD IDD ISD VIH VIL Parameter Supply Voltage Quiescent Power Supply Current Shutdown Current Headphone High Input Voltage Headphone Low Input Voltage VIN=0V, IO=0A, HP-IN=0V VIN=0V, IO=0A, HP-IN=4V VPIN1= VDD Test Conditions Min. 3 5 4 APA4863 Typ. 9 5 0.5 Max. 5.5 13.5 7.5 0.8 V mA µA V V Unit Electrical Characteristics for BTL Mode Operation The following specifications apply for VDD= 5V unless otherwise noted. Limits apply for TA= 25°C APA4863 Symbol VOS Parameter Output Offset Voltage VIN=0V THD+N=1%, fin=1kHz RL=3Ω RL=4Ω RL=8Ω THD+N=10%, fin=1kHz RL=3Ω RL=4Ω RL=8Ω AVD=2, fin=1kHz RL=4Ω, PO=1.8W RL=8Ω, PO=1W VDD=5V, VRIPPLE=200mVRMS, RL=8Ω, CB=2.2µF fin=1kHz, CB=2.2µF, PO=1W, RL=8Ω VDD=5V, PO=1.1W, RL=8Ω Test Conditions Min. Typ. 5 2.2 1.8 1.2 2.7 2.3 1.5 0.3 0.15 64 90 95 Max. W mV Unit PO Output Power - THD+N PSRR XTALK SNR Total Harmonic Distortion Plus Noise Power Supply Rejection Ratio Channel Separation Signal-to-Noise Ratio - - % dB dB dB Copyright © ANPEC Electronics Corp. Rev. A.7 - Oct., 2009 3 www.anpec.com.tw APA4863 Electrical Characteristics (Cont.) Electrical Characteristics for SE Mode Operation The following specifications apply for VDD= 5V unless otherwise noted. Limits apply for TA= 25°C APA4863 Symbol VOS PO THD+N PSRR XTALK SNR Parameter Output Offset Voltage Output Power Total Harmonic Distortion Plus Noise Power Supply Rejection Ratio Channel Separation Signal-to-Noise Ratio VIN=0V THD+N=0.5%, fin=1kHz, RL=32Ω THD+N=1%, fin=1kHz, RL=8Ω THD+N=10%, fin=1kHz, RL=8Ω AV=-1, PO=75mW, fin=1kHz, RL=32Ω VRIPPLE=200mVRMS, fin=1kHz, CB=2.2µF, RL=8Ω, fin=1kHz, CB=2.2µF, PO=32mW, RL=32Ω VDD=5V, PO=340mW, RL=8Ω Test Conditions Min. Typ. 5 90 320 400 0.02 49 85 95 Max. mV mW % dB dB dB Unit Truth Table for Logic Inputs Shutdown Low Low High High HP-IN Low High Low High APA4863 Mode Bridge-Tied Single-Ended APA4863 Shutdown APA4863 Shutdown Copyright © ANPEC Electronics Corp. Rev. A.7 - Oct., 2009 4 www.anpec.com.tw APA4863 Typical Operating Characteristics THD+N vs. Output Power 10 VDD=5V, RL=4Ω BW