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 SO8 ORDERING NUMBER: TDA2822D ABSOLUTE MAXIMUM RATINGS Symbol Parameter VS IO Supply Voltage Peak Output Ptot Total Power Dissipation Tamb = 50°C Tstg, Tj Storage and Junction Temperature Value Unit 15 1 V A 0.5 W -40 to 150 °C APPLICATION CIRCUIT September 2003 1/6 TDA2822D PIN CONNECTION (Top view) THERMAL DATA Symbol Rth j-amb Description Thermal Resistance Junction-ambient Figure 1: Stereo Application and Test Circuit Figure 2: Bridge Application and Test Circuit 2/6 Max Value Unit 200 °C/W TDA2822D ELECTRICAL CHARACTERISTICS (VS = 6V; Tamb = 25°C, unless otherwise specified. STEREO (Test circuit of fig. 1). Symbol VS Id VO Parameter Supply Voltage Total Quiescent Drain Current Quiescent Output Voltage Test Condition Min. 1.8 VS = 3V Ib PO Input Bias Current Output Power (each channel) (f = 1KHz, d = 10%) RL = 32Ω RL = 16Ω RL = 8Ω RL = 4Ω d Distortion GV ∆GV Ri eN Closed Loop Voltage Gain Channel Balance Input Resistance Total Input Noise SVR Cs Supply Voltage Rejection Channel Separation RL = 32Ω RL = 16Ω RL = 8Ω f = 1KHz 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 f = 1KHz Rs = 10kΩ B = Curve A Rs = 10kΩ B = 22Hz to 22KHz f = 100Hz C1 = C2 = 100µF f = 1KHz 170 300 36 Typ. 2.7 1.2 100 300 120 60 20 5 220 380 320 110 0.2 0.2 0.2 39 Max. 15 15 mW 41 ±1 100 24 Unit V mA V V nA 2 2.5 30 50 mW mW mW mW % % % dB dB KΩ µV µV dB dB 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%) d GV Ri eN Distortion Closed Loop Voltage Gain Input Resistance Total Input Noise SVR B Supply Voltage Rejection Power Bandwidth (-3dB) 1.8 15 15 ±80 RL = ∞ RL = 8Ω VS = 9V VS = 6V RL = 32Ω VS = 4.5V VS = 3V VS = 2V RL = 16Ω VS = 6V RL = 16W VS = 3V RL = 8Ω VS = 4.5V RL = 8W VS = 3V RL = 4Ω VS = 3V RL = 4W VS = 2V RL = 8Ω PO = 0.5W f = 1KHz f = 1KHz f = 1KHz Rs = 10kΩ B = Curve A Rs = 10kΩ B = 22Hz to 22KHz f = 100Hz RL = 8Ω PO = 1W 320 50 100 1000 400 200 65 8 800 120 700 220 350 80 0.2 39 100 2.5 3 40 120 V mA mV nA mW mW mW mW mW mW mW % dB KΩ µV µV dB KHz 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 mm DIM. MIN. TYP. A a1 inch MAX. MIN. TYP. 1.75 0.1 0.25 a2 MAX. 0.069 0.004 0.010 1.65 0.065 a3 0.65 0.85 0.026 0.033 b 0.35 0.48 0.014 0.019 b1 0.19 0.25 0.007 0.010 C 0.25 0.5 0.010 0.020 c1 45° (typ.) D (1) 4.8 5.0 0.189 0.197 E 5.8 6.2 0.228 0.244 e 1.27 0.050 e3 3.81 0.150 F (1) 3.8 4.0 0.15 0.157 L 0.4 1.27 0.016 0.050 M S OUTLINE AND MECHANICAL DATA 0.6 0.024 SO8 8 ° (max.) (1) D and F do not include mold flash or protrusions. Mold flash or potrusions shall not exceed 0.15mm (.006inch). 5/6 TDA2822D Information furnished is believed to be accurate and reliable. However, STMicroelectronics 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 STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners © 2003 STMicroelectronics - All rights reserved STMicroelectronics GROUP OF COMPANIES Australia – Belgium - Brazil - Canada - China – Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States www.st.com 6/6