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NCP4896 Datasheet(PDF) 1 Page - ON Semiconductor |
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NCP4896 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 16 page © Semiconductor Components Industries, LLC, 2005 March, 2005 − Rev. 3 1 Publication Order Number: NCP4896/D NCP4896 1.0 Watt Audio Power Amplifier with Earpiece Driving Capability The NCP4896 is an audio power amplifier designed for portable communication device applications such as mobile phones. This part is capable of delivering 1.0 W of continuous average power to an 8.0 W BTL load from a 5.0 V power supply and, 250 mW to a 4.0 W BTL from 2.6 V power supply. It also provides the control of driving a single−ended earpiece and delivers 90 mW from a 5.0 V power supply to a 32 W load. This device provides high quality audio while requiring few external components and minimal power consumption. It features a low−power consumption shutdown mode, which is achieved by driving the shutdown pin with logic Low. The NCP4896 contains circuitry to prevent from “pop and click” noise that would otherwise occur during turn−on and turn−off transitions. It is also efficient when switching modes from BTL to SE and SE to BTL. For maximum flexibility, the part provides an externally controlled gain (with resistors), as well as an externally controlled turn−on time (with bypass capacitor). Due to its excellent PSRR, it can be directly connected to the battery, saving the use of an LDO. Features • Single−Ended or Differential Control • 1.0 W to an 8.0 W BTL Load from a 5.0 V Power Supply • Excellent PSRR: Direct Connection to the Battery • Ultra Low Current Shutdown Mode • 2.2 V−5.5 V Operation • External Gain Configuration Capability • External Turn−on Time Configuration Capability • Thermal Overload Protection Circuitry • Up to 1.0 nF Capacitive Load Driving Capability • “Pop and Click” Noise Protection Circuit • This is a Pb−Free Device Typical Applications • Portable Electronic Devices • PDAs • Mobile Phones 9−PIN FLIP−CHIP FC SUFFIX CASE 499AL PIN CONNECTIONS 9−PIN FLIP−CHIP CSP XXX = Specific Device Code A = Assembly Location Y = Year WW = Work Week MARKING DIAGRAM A3 B3 C3 A2 B2 C2 A1 B1 C1 SE/BTL BYP OUTB VP NC VM INM SD OUTA (Top View) 1 See detailed ordering and shipping information in the package dimensions section on page 15 of this data sheet. ORDERING INFORMATION XXX AYWW A1 A3 C1 http://onsemi.com |
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