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| TDA2822D DUAL LOW-VOLTAGE POWER AMPLIFIER SUPPLY VOLTAGE DOWN TO 1.8V LOWCROSSOVER DISTORTION LOW QUIESCENT CURRENT BRIDGE OR STEREO CONFIGURATION DESCRIPTION The TDA2822D is a monolithic integrated circuit in 8 lead (SO-8) package. It is intended for use as dual audio power amplifier in portable cassette players, radios and CD players ABSOLUTE MAXIMUM RATINGS Symbol VS IO Ptot Tstg, Tj Supply Voltage Peak Output Total Power Dissipation Tamb = 50C Storage and Junction Temperature Parameter Value 15 1 0.5 -40 to 150 Unit V A W C SO8 ORDERING NUMBER: TDA2822D APPLICATION CIRCUIT May 1991 1/6 TDA2822D PIN CONNECTION (Top view) THERMAL DATA Symbol R th j-amb Description Thermal Resistance Junction-ambient Max Value 200 Unit C/W Figure 1: Stereo Application and Test Circuit Figure 2: Bridge Application and Test Circuit 2/6 TDA2822D ELECTRICAL CHARACTERISTICS (VS = 6V; Tamb = 25C, unless otherwise specified. STEREO (Test circuit of fig. 1). Symbol VS Id VO Ib PO Parameter Supply Voltage Total Quiescent Drain Current Quiescent Output Voltage VS = 3V Input Bias Current Output Power (each channel) (f = 1KHz, d = 10%) R L = 32 VS = 9V VS = 6V VS = 4.5V VS = 3V VS = 2V VS = 6V VS = 6V VS = 4.5V VS = 3V PO = 40mW PO = 75mW PO = 150mW 36 100 2 24 2.5 30 50 170 300 Test Condition Min. 1.8 Typ. Max. 15 15 Unit V mA V V nA 2.7 1.2 100 300 120 60 20 5 220 380 320 110 0.2 0.2 0.2 39 mW R L = 16 R L = 8 R L = 4 d Distortion R L = 32 R L = 16 R L = 8 f = 1KHz mW mW mW mW % % % dB dB K V V dB dB GV GV Ri eN SVR Cs Closed Loop Voltage Gain Channel Balance Input Resistance Total Input Noise Supply Voltage Rejection Channel Separation 41 1 f = 1KHz R s = 10k B = Curve A R s = 10k B = 22Hz to 22KHz f = 100Hz C1 = C2 = 100F f = 1KHz BRIDGE (Test circuit of fig.2) VS Id Vos Ib PO Supply Voltage Total Quiescent Drain Current Output Offset Voltage (between the outputs) Input Bias Current Output Power (f = 1KHz, d = 10%) 1.8 RL = R L = 8 100 1000 400 200 65 8 800 120 700 220 350 80 0.2 39 2.5 3 40 120 15 15 80 V mA mV nA d GV Ri eN SVR B Distortion Closed Loop Voltage Gain Input Resistance Total Input Noise Supply Voltage Rejection Power Bandwidth (-3dB) VS = 9V VS = 6V R L = 32 VS = 4.5V VS = 3V VS = 2V R L = 16 VS = 6V RL = 16W VS = 3V R L = 8 VS = 4.5V RL = 8W VS = 3V R L = 4 VS = 3V RL = 4W VS = 2V R L = 8 PO = 0.5W f = 1KHz f = 1KHz f = 1KHz R s = 10k B = Curve A R s = 10k B = 22Hz to 22KHz f = 100Hz R L = 8 PO = 1W 320 50 mW mW mW mW mW mW mW % dB K V V dB KHz 100 3/6 TDA2822D Figure 3: Supply Voltage Rejection vs. Frequency Figure 4: Output Power vs. Supply Voltage (THD = 10%, f = 1KHz Stereo) Figure 5: Total Power Dissipation vs. Output Power (Bridge) Figure 6: Total Power Dissipation vs. Output Power (Bridge) 4/6 TDA2822D SO8 PACKAGE MECHANICAL DATA DIM. MIN. A a1 a2 a3 b b1 C c1 D E e e3 F L M S 3.8 0.4 4.8 5.8 1.27 3.81 4.0 1.27 0.6 8 (max.) 0.15 0.016 5.0 6.2 0.65 0.35 0.19 0.25 0.1 mm TYP. MAX. 1.75 0.25 1.65 0.85 0.48 0.25 0.5 45 (typ.) 0.189 0.228 0.050 0.150 0.157 0.050 0.024 0.197 0.244 0.026 0.014 0.007 0.010 0.004 MIN. inch TYP. MAX. 0.069 0.010 0.065 0.033 0.019 0.010 0.020 5/6 TDA2822D Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. (c) 1994 SGS-THOMSON Microelectronics - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands - Singapore Spain - Sweden - Switzerland - Taiwan - Thaliand - United Kingdom - U.S.A. 6/6 |
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