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Descr:Part no: LM1876T & PT2322-S This are two IC's. I want DATA and pin configuration and diagram of this IC's MANOJ
Group:Electronics > Consumer electronics > Audio
Uploaded:27-08-2008
User:hotwaterwizard
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File name LM1876.pdf

LM1876 OvertureTM Audio Power Amplifier Series Dual 20W Audio Power Amplifier with Mute and Standby Modes July 2003 LM1876 OvertureTM Audio Power Amplifier Series Dual 20W Audio Power Amplifier with Mute and Standby Modes General Description The LM1876 is a stereo audio amplifier capable of delivering typically 20W per channel of continuous average output power into a 4 or 8 load with less than 0.1% THD+N. Each amplifier has an independent smooth transition fadein/out mute and a power conserving standby mode which can be controlled by external logic. The performance of the LM1876, utilizing its Self Peak Instantaneous Temperature (°Ke) (SPiKeTM) protection circuitry, places it in a class above discrete and hybrid amplifiers by providing an inherently, dynamically protected Safe Operating Area (SOA). SPiKe protection means that these parts are safeguarded at the output against overvoltage, undervoltage, overloads, including thermal runaway and instantaneous temperature peaks. Key Specifications jTHD+N at 1kHz at 2 x 15W continuous average output power into 4 or 8: jTHD+N at 1kHz at continuous average 0.1% (max) 0.009% (typ) 4.2mA (typ) output power of 2 x 20W into 8: jStandby current: Features n n n n n n n SPiKe protection Minimal amount of external components necessary Quiet fade-in/out mute mode Standby-mode Isolated 15-lead TO-220 package Non-Isolated 15-lead TO-220 package Wide supply range 20V - 64V Applications n High-end stereo TVs n Component stereo n Compact stereo Connection Diagram Plastic Package 01207202 Top View Isolated Package Order Number LM1876TF See NS Package Number TF15B Non-Isolated Package Order Number LM1876T See NS Package Number TA15A SPiKeTM Protection and OvertureTM are trademarks of National Semiconductor Corporation. © 2003 National Semiconductor Corporation DS012072 www.national.com LM1876 Typical Application 01207201 FIGURE 1. Typical Audio Amplifier Application Circuit Note: Numbers in parentheses represent pinout for amplifier B. *Optional component dependent upon specific design requirements. www.national.com 2 LM1876 Absolute Maximum Ratings 5) (Notes 4, Thermal Resistance Isolated TF-Package JC Non-Isolated T-Package JC Soldering Information TF Package (10 sec.) Storage Temperature 1°C/W 260°C -40°C to +150°C 2°C/W If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage |VCC| + |VEE| (No Input) Supply Voltage |VCC| + |VEE| (with Input) Common Mode Input Voltage 64V (VCC or VEE) and |VCC| + |VEE| 54V Differential Input Voltage Output Current Power Dissipation (Note 6) ESD Susceptability (Note 7) Junction Temperature (Note 8) 54V Internally Limited 62.5W 2000V 150°C 64V Operating Ratings (Notes 4, 5) Temperature Range TMIN TA TMAX Supply Voltage |VCC| + |VEE| (Note 1) -20°C TA +85°C 20V to 64V Electrical Characteristics (Notes 4, 5) The following specifications a
File name PT2322.pdf

Tel : 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw 6-Channel Audio Processor IC DESCRIPTION PT2322 PT2322 is a 6-Channel Audio Processor IC utilizing CMOS Technology specially designed for audio applications. 6-channel individual input, 6-channel master volume control, 6-channel individual volume trim control, 3-band tone control (treble, middle, and bass), mute function, 3D effect function, tone defeat function are all built into a single chip having the highest performance and reliability with the least components. Furthermore, the pin assignments and application circuit are optimized for easy PCB Layout and cost saving benefits. Housed in 28 pins, DIP or SO Package, PT2322 is the ultimate answer to your every audio system needs. FEATURES · · · · · · · · · · · · · · · Very Low Power Consumption (DC=9V) I2 C Bus Control 6-Channel Individual Input 6-Channel Master Volume Control: 0 to -79 dB (1 dB/step) 6-Channel Individual Output TRIM Volume Control: 0 to -15 dB (1dB/step) 3-Band Tone Control (Treble, Middle, Bass): + 14dB , 2dB/step Mute Function 3D Effect Function Tone Defeat Function Low Noise High Channel Separation Low Harmonic Distortion Least External Components Easy to Use Available in 28-pin, DIP or SO Package APPLICATIONS · · · · · Audio/Video System Multi-Media Speakers TV System PC Audio AC3 Amplifier System PT2322 v1.0 Page 1 November 2002 APPLICATION CIRCUIT 6-Channel Audio Processor IC PT2322 v1.0 V C C C 23 22u F T O M R C N RO LE IC O O T L R R4 1 3 K .3 I2C D T AA I2CC O K L C C4 C7 C 1 1 18 C 1 C 2 22 2 0p0.0 0 u 0.1 0.1u 20 1u .01 u D N GD C 7 3 IC P 2 2 1 T 32 1 F R 0u 7 10 0K C 8 1 2 F O TR R N UA 2 F O TL R N R 16 6 .2K 1 F R 0u 8 10 0K C 9 6 1 F R 0u 9 10 0K C 10 4 5 S B O FR U W OE UB 2 C NE E TR Cr ef 10u F 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 R M 2 R B S _F C ID CA 1 R R M 1 R B S _F C ID CA 2 R CR_R TEF GD N IN F _R S A D IN S _ R S L C IN S B _ U OT R U _F V E RF OT R U _S GD N O TS B U_ U IN C _ T V C C IN S _ L OT T U _C IN F _L OT L U _S CR_L TEF OT L U _F R M 1_ R B S _F C ID FLC A 2 L R M 2_ R B S _F C ID FLC A 1 L 2 8 2 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0 1 9 1 8 1 7 1 6 1 5 1 F R 0u 10 10 0K C 11 9 1 F R1 0u 1 10 0K C 12 7 8 1 F R 0u 12 10 0K C3 C5 C 1 1 16 C 9 C 1 20 2 0p0.0 0 u 0.1 0.1u 20 1u .01 u S RO N R U R U D UC 2 S RO N L U R U D R3 1 3 K .3 R 15 6 .2K Page 2 U 1A F O TL R N 3 C 1 1 F O TR R N 2 R 10 1 uF 1 00K C 2 U 1B CNE E T R 6 R 10 2 uF 1 00K C 3 4 S B O FR U W OE 5 R 10 3 uF 1 00K C 4 U 1C S RO N L U R U D 9 R 10 4 uF 1 00K C 5 7 S RO N R U R U D 8 R 10 5 uF 1 00K C 6 R 10 J 74 R 10 6 uF 1 00K PT2322 Tel : 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw November 2002 Tel : 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw 6-Channel Audio Processor IC ORDER INFORMATION O rder Part Number PT2322 PT2322-S Package Type 28 Pins, DIP Package (600 mil) 28 Pins, SO Package (330 mil) PT2322 Top Code PT2322 PT23

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