TDA2822D

TDA2822D Datasheet Dual low voltage power amplifier Features SO8 • • • • Supply voltage down to 1.8 V Low crossover 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 a dual audio power amplifier in portable cassette players, radios and CD players. Product status link TDA2822D Ordering information TDA2822D013TR DS0119 - Rev 3 - August 2020 For further information contact your local STMicroelectronics sales office. www.st.com TDA2822D Application circuit 1 Application circuit Figure 1. Application circuit Figure 2. Stereo application and test circuit DS0119 - Rev 3 page 2/12 TDA2822D Application circuit Figure 3. Bridge application and test circuit DS0119 - Rev 3 page 3/12 TDA2822D Pin connection 2 Pin connection Figure 4. Pin connection DS0119 - Rev 3 page 4/12 TDA2822D Absolute maximum ratings 3 Absolute maximum ratings Table 1. Absolute maximum ratings Symbol Parameter Value Unit VS Supply voltage 15 V IO Peak output 1 A Ptot Total power dissipation Tamb = 50 °C 0.5 W Storage and junction temperature -40 to 150 °C Tstg Tj Table 2. Thermal data DS0119 - Rev 3 Symbol Description Value Unit Rthj-amb Thermal resistance junction-ambient max. 200 °C/W page 5/12 TDA2822D Electrical characteristics 4 Electrical characteristics (VS = 6 V; Tamb = 25 °C, unless otherwise specified. STEREO (see Figure 2. Stereo application and test circuit). Table 3. Electrical characteristics (stereo) Symbol Parameter VS Supply voltage Id Total quiescent drain current VO Quiescent output voltage Ib Input bias current Test conditions 1.8 VS = 3 V RL = 32 Ω PO Output power (each channel) (f = 1 kHz, d = 10%) GV Closed loop voltage gain ΔGV Channel balance Ri Input resistance eN Total input noise SVR Cs DS0119 - Rev 3 Distortion Supply voltage rejection Channel separation 15 V 15 mA 2.7 V 1.2 V 100 nA VS= 9 V 300 VS= 6 V 120 VS = 4.5 V 60 VS = 3 V 20 VS = 2 V 5 mW RL = 16 Ω VS = 6 V 170 220 mW RL = 8 Ω VS = 6 V 300 380 mW VS = 4.5 V 320 VS = 3 V 110 RL = 32 Ω PO = 40 mW 0.2 % RL=16 Ω PO = 75 mW 0.2 % RL = 8 Ω PO = 150 mW 0.2 % RL = 4 Ω d Min. Typ. Max. Unit f = 1 kHz f = 1 kHz 36 39 100 mW 41 dB 1 dB kΩ Rs = 10 kΩ, B = curve A 2 µV Rs = 10 kΩ, B = 22 Hz to 22 kHz 2.5 µV 30 dB 50 dB f = 100 Hz, C1 = C2 = 100 F f = 1 kHz 24 page 6/12 TDA2822D Electrical characteristics Bridge (see Figure 3. Bridge application and test circuit). Table 4. Electrical characteristics (bridge) Symbol Parameter VS Supply voltage Id Total quiescent drain current VOS Ib Test conditions Output offset voltage between the outputs Max. Unit 15 V RL = ∞ 15 mA RL = 8 Ω ±80 mV Input bias current 100 VS = 9 V 1000 VS = 6 V 320 VS = 4.5 V VS = 3 V Output power (f = 1 kHz, d = 10%) RL = 16 Ω RL = 8 Ω RL = 4 Ω d DS0119 - Rev 3 Distortion Typ. 1.8 RL = 32 Ω PO Min. RL = 8 Ω 400 200 50 nA mW 65 VS = 2 V 8 VS = 6 V 800 VS = 3 V 120 VS = 4.5 V 700 VS = 3 V 220 VS = 3 V 350 VS = 2 V 80 PO = 0.5 mW, f = 1 kHz 0.2 % 39 dB GV Closed loop voltage gain f = 1 kHz Ri Input resistance f = 1 kHz eN Total input noise 100 mW mW mW kΩ Rs =10 kΩ, B = curve A 2.5 Rs = 10 kΩ, B = 22 Hz to 22 kHz 3 µV SVR Supply voltage rejection f = 100 Hz 40 dB B Power bandwidth (-3 dB) RL = 8 kΩ, PO = 1 W 120 kHz page 7/12 TDA2822D Electrical characteristics DS0119 - Rev 3 Figure 5. Supply voltage rejection vs. frequency Figure 6. Output power vs. supply voltage (THD= 10%, f=1 kHz stereo) Figure 7. Total power dissipation vs. output power (bridge, RL=8 Ω) Figure 8. Total power dissipation vs. output power (bridge, RL=4 Ω ) page 8/12 TDA2822D Package information 5 Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ECOPACK is an ST trademark. 5.1 SO8 package information Figure 9. SO8 package outline Table 5. SO-8 mechanical data Dim. mm Min. Inches Typ. A Min. Typ. 1.75 0.25 Max. 0.069 A1 0.1 A2 1.25 b 0.28 0.48 0.011 0.019 c 0.17 0.23 0.007 0.01 D 4.8 4.9 5 0.189 0.193 0.197 E 5.8 6 6.2 0.228 0.236 0.244 E1 3.8 3.9 4 0.15 0.154 0.157 e 0.004 0.01 0.049 1.27 0.05 h 0.25 0.5 0.01 0.02 L 0.4 1.27 0.016 0.05 L1 DS0119 - Rev 3 Max. 1.04 0.04 k 8° 8° ccc 0.1 0.004 page 9/12 TDA2822D Revision history Table 6. Document revision history DS0119 - Rev 3 Date Version 05-Sep-2003 1 19-Sep-2016 2 28-Aug-2020 3 Changes No history because of migration. Updated the ordering information table in cover page. page 10/12 TDA2822D Contents Contents 1 Application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2 Pin connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 3 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Electrical characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Package information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5.1 SO-8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 DS0119 - Rev 3 page 11/12 TDA2822D IMPORTANT NOTICE – PLEASE READ CAREFULLY STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers’ products. No license, express or implied, to any intellectual property right is granted by ST herein. Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product. ST and the ST logo are trademarks of ST. For additional information about ST trademarks, please refer to www.st.com/trademarks. All other product or service names are the property of their respective owners. Information in this document supersedes and replaces information previously supplied in any prior versions of this document. © 2020 STMicroelectronics – All rights reserved DS0119 - Rev 3 page 12/12