NCP2811BMTTXGEVB

ON Semiconductor Is Now To learn more about onsemi™, please visit our website at www.onsemi.com onsemi and       and other names, marks, and brands are registered and/or common law trademarks of Semiconductor Components Industries, LLC dba “onsemi” or its affiliates and/or subsidiaries in the United States and/or other countries. onsemi owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of onsemi product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. onsemi reserves the right to make changes at any time to any products or information herein, without notice. The information herein is provided “as-is” and onsemi makes no warranty, representation or guarantee regarding the accuracy of the information, product features, availability, functionality, or suitability of its products for any particular purpose, nor does onsemi assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using onsemi products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by onsemi. “Typical” parameters which may be provided in onsemi data sheets and/ or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. onsemi does not convey any license under any of its intellectual property rights nor the rights of others. onsemi products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use onsemi products for any such unintended or unauthorized application, Buyer shall indemnify and hold onsemi and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that onsemi was negligent regarding the design or manufacture of the part. onsemi is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. Other names and brands may be claimed as the property of others. NCP2811BMTTXGEVB NCP2811BMTTX Evaluation Board User's Manual Description NCP2811 is a dual audio power amplifier designed for portable communication device applications such as mobile phones. This board showcases the B version of this part in the WQFN12 package. This part is capable of delivering 27 mW of continuous average power into a 16 W load from a 2.7 V power supply with a THD+N of 1%. Based on the power supply delivered to the device, an internal power management block generates a symmetrical positive and negative voltage. Thus, the internal amplifiers provide outputs referenced to Ground. In this True Ground configuration, the two external heavy coupling capacitors can be removed. It offers significant space and cost savings compared to a typical stereo application. http://onsemi.com EVAL BOARD USER’S MANUAL Figure 1. NCP2811BMTTXGEVB Board Picture © Semiconductor Components Industries, LLC, 2011 August, 2011 − Rev. 2 1 Publication Order Number: EVBUM2013/D NCP2811BMTTXGEVB Figure 2. NCP2811BMTTXGEVB Board Schematic http://onsemi.com 2 NCP2811BMTTXGEVB Figure 3. NCP2811BMTTXGEVB Board Layout (Top View) Figure 4. NCP2811BMTTXGEVB Board Layout (Bottom View) http://onsemi.com 3 NCP2811BMTTXGEVB Table 1. BILL OF MATERIALS Item Part Description Ref. PCB Footprint Manufacturer 1 NCP2811 Audio Amplifier 2 SMD Resistor 10KW R1, R2, R3, R4 0603 Panasonic 3 Ceramic Capacitor 1 mF 6.3 V X5R C1, C2, C3, C4, C5 0603 Murata GRM185R60J105KA01 4 Stereo Connector U2 CUI Inc. SJ1−3515N 5 Jumper Header Vertical Mount, 2 positions, 100mils J16 100 mils Tyco Electronics / AMP 5−826629−0 6 I/O Connector, 2 positions J8, J19, J15 200 mils Phoenix Contact 7 Jumper Connector J18, J20 400 mils Harwin 8 Not Mounted R5, J9, J10, J6, J17,C6, C7 9 Shorted R6, R7 ON Semiconductor Manufacturer Reference NCP2811 ERJ−3GEY103V 1757242 D3082−B01 0603 NCP2811A OR NCP2811B CONFIGURATION V.1 NCP2811A Connect J11, J12. Put 10kohms on R1, R2, R3, R4. Disconnect J7, J14. V.1 NCP2811B Connect J7, J14. Disconnect J11, J12, R1, R2, R3, R4. NCP2811 TEST PROCEDURE Output Power: 1. Set Vp = 3.6 V to power supply connector (J16). 2. Set an 16 W load (resistance) on the output connectors (J8 and J17). 3. With the function generator, set a single ended signal at 1 kHz and 0.5 Vrms input signal on the left and right inputs. Apply this signal J5 and J13 connectors. a. On the NCP2811A, as R1 = R2 = R3 = R4 = 10k, OUTL_C and OUTR_C will see 0.5 Vrms. Place an oscilloscope probe on each output. You should get 0.5 Vrms output signal with a “perfect sine wave”. That is to say no clipping at the minima and maxima of the sine wave. b. On the NCP2811B, the gain is internally set to -1.5 V/V, OUTL_C and OUTR_C will see 0.75 Vrms. Place an oscilloscope probe on each output. You should get 0.75 Vrms output signal with a “perfect sine wave”. That is to say no clipping at the minima and maxima of the sine wave. Quiescent Current: Check the quiescent current. Place an 16 W load on each output (J8, J17); no input signal. Vp set to 3.6 V and J6 closed. You should measure around 6 mA. http://onsemi.com 4 NCP2811BMTTXGEVB ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303−675−2176 or 800−344−3867 Toll Free USA/Canada Email: orderlit@onsemi.com N. American Technical Support: 800−282−9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center Phone: 81−3−5773−3850 http://onsemi.com 5 ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative EVBUM2013/D