TDA7233

TDA7233 TDA7233D ® 1W AUDIO AMPLIFIER WITH MUTE OPERATING VOLTAGE 1.8 TO 15V EXTERNAL MUTE OR POWER DOWN FUNCTION IMPROVED SUPPLY VOLTAGE REJECTION LOW QUIESCENT CURRENT HIGH POWER CAPABILITY LOW CROSSOVER DISTORTION DESCRIPTION The TDA7233/D is a monolithic integrated circuit in 8 pin Minidip or SO8 package, intended for use as class AB power amplifier with a wide range of supply voltage from 1.8V to 15V in portable players, cordless telephones and Cellular Radios. Minidip SO8 ORDERING NUMBERS: TDA7233 TDA7233D TEST AND APPLICATION CIRCUIT Note: Switch Open = Mute Switch Closed = Play September 2003 1/7 This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice. TDA7233 - TDA7233D ABSOLUTE MAXIMUM RATINGS Symbol Value Unit VS Supply Voltage 16 V IO Ptot Output Peak Current Total Power Dissipation at Tamb = 50°C 1 1 A W –40 to 150 °C Tstg, Tj Parameter Storage and Junction Temperature PIN CONNECTIONS (Top views) Minidip SO8 THERMAL DATA Symbol Rth j-amb 2/7 Parameter Thermal Resistance Junction-ambient Max. SO8 Minidip Unit 200 100 °C/W TDA7233 - TDA7233D ELECTRICAL CHARACTERISTICS (Vs = 6 V, Tamb = 25 °C, unless otherwise specified) Symbol Parameter Vs Supply Voltage Vo Quiescent Out Voltage Test Condition Min. 1.8 Vs = 3 V Vs = 9 V Id Quiescent Drain Current MUTE HIGH MUTE LOW Ib Po Input Bias Current Output Power d = 10 % Vs = 12 V Vs = 9 V Vs = 9 V Vs = 6 V Vs = 6 V Vs = 3 V Vs = 3 V d Distortion Po = 0.5 W f = 1 kHz RL = 8 Ω Vs = 9 V Gv Closed Loop Voltage Gain Input Resistance Total Input Noise (Rs = 10 kΩ) f = 1 kHz f = 1 kHz RIN eN SVR IM Typ. f = 1 KHz RL = 8 Ω RL = 4 Ω RL = 8 Ω RL = 8 Ω RL = 4 Ω RL = 4 Ω RL = 8 Ω B = Curve A Max. Unit 15 V 2.7 V 1.2 4.2 3.6 9 V V mA 0.4 100 nA 1.9 1.6 1 0.4 0.7 110 70 W W W W W mW mW 0.3 % 39 dB KΩ 2 µV 100 B = 22 Hz to 22 kHz 3 Supply Voltage Rejection MUTE Attenuation f = 100 Hz, Rg = 10 KΩ Vo = 1 V f = 100 Hz to 10 kHz 45 70 dB dB MUTE Threshold MUTE Current VS = 15V 0.6 0.4 V mA 3/7 TDA7233 - TDA7233D Figure 1: Output Power vs. Supply Voltage Figure 2: Supply Voltage Rejection vs. Frequency Figure 3: DC Output Voltage vs. Supply Voltage Figure 4: Quiescent Current vs. Supply Voltage Figure 5: Total Dissipated Power vs. Supply Voltage 4/7 TDA7233 - TDA7233D 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). 5/7 TDA7233 - TDA7233D mm inch DIM. MIN. A TYP. MAX. MIN. 3.32 TYP. MAX. 0.131 a1 0.51 B 1.15 1.65 0.045 0.065 b 0.356 0.55 0.014 0.022 b1 0.204 0.304 0.008 0.012 0.020 D E 10.92 7.95 9.75 0.430 0.313 0.384 e 2.54 0.100 e3 7.62 0.300 e4 7.62 0.300 F 6.6 0.260 I 5.08 0.200 L Z 6/7 3.18 OUTLINE AND MECHANICAL DATA 3.81 1.52 0.125 0.150 0.060 Minidip TDA7233 - TDA7233D 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 7/7