TA8211AH TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA8211AH Dual Audio Power Amplifier The TA8211AH is dual audio power amplifier for consumer applications. This IC provides an output power of 6 watts per channel (at VCC = 20 V, f = 1 kHz, THD = 10%, RL = 8 Ω). It is suitable for power amplifier of TV and home stereo. Features · High output power: Pout = 6 W/channel (Typ.) · Low noise: Vno = 0.14 mVrms (Typ.) (VCC = 20 V, RL = 8 Ω, f = 1 kHz, THD = 10%) Weight: 4.04 g (typ.) (VCC = 28 V, RL = 8 Ω, GV = 34dB, Rg = 10 kΩ, BW = 20 Hz~20 kHz) · Very few external parts · Built in thermal shut down protector circuit · Operating supply voltage range: VCC (opr) = 10~30 V (Ta = 25°C) Block Diagram VCC 6 Ripple Filter INPUT1 4 9 VCC IN1 OUT1 AMP1 7 8 5 3 1 RL 400 W Pre-GND 20 kW 400 W 20 kW PW-GND 10 RL 11 AMP2 INPUT2 2 OUT2 12 IN2 1 2002-02-13 TA8211AH Application Information Voltage gain The closed loop voltage gain is determined by R1, R2. GV Input 4/2 R + R2 (dB) = 20 log 1 R2 5/1 400 W 8/11 20 kW + 400 W 400 W ~ - 34 (dB) Output R1 20 kW = 20log (a) 7/12 R2 Figure 1 Amplifier with gain > 34dB R + R 2 //R 3 (dB) G V = 20 log 1 R 2 //R 3 Input 4/2 When R3 = 400 W GV ~ - 40 (dB) is given. 5/1 7/12 R2 400 W 8/11 Output R1 20 kW (b) Amplifier with gain < 34dB G V = 20 log Figure 2 R1 + R 2 + R 4 (dB) R2 + R4 When R4 = 220 W GV ~ - 30 (dB) is given. Input 4/2 R4 5/1 8/11 7/12 R2 400 W Output R1 20 kW Figure 3 Cautions This IC is not proof enough against a strong E-M field by CRT which may cause malfunction such as leak. Please set the IC keeping the distance from CRT. 2 2002-02-13 TA8211AH Standard PCB (Bottom view) 3 2002-02-13 TA8211AH Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit VCC 30 V IO (peak) 2 A PD (Note) 25 W Supply voltage Output current (Peak/ch) Power dissipation Operating temperature Topr -20~75 °C Storage temperature Tstg -55~150 °C Note: Derated above Ta = 25°C in the proportion of 200 mW/°C. Electrical Characteristics (unless otherwise specified, VCC = 20 V, RL = 600 9, Rg = 600 9, f = 1 kHz, Ta = 25°C) Characteristics Symbol Test Circuit ICCQ ¾ Pout (1) Min Typ. Max Unit Vin = 0 ¾ 75 130 mA ¾ THD = 10% 5.0 6.0 ¾ Pout (2) ¾ THD = 1% ¾ 4.5 ¾ Total harmonic distortion THD ¾ Pout = 2 W ¾ 0.1 0.6 % Closed loop voltage gain GV ¾ Vout = 0.775 Vrms (0dBm) 32.5 34.0 35.5 dB Quiescent current Output power Test Condition Open loop voltage gain GVO ¾ Input resistance RIN ¾ Ripple rejection ratio R.R. ¾ Rg = 0, fripple = 100 Hz Vripple = 0.775 Vrms (0dBm) Output noise voltage Vno ¾ Rg = 10 kW, BW = 20 Hz~20 kHz ¾ W ¾ 60 ¾ dB ¾ 30 ¾ kW -45 -57 ¾ dB ¾ 0.14 0.3 mVrms Typ. DC Voltage of Each Terminal (VCC = 20 V, Ta = 25°C) Terminal No. 1 2 3 4 5 6 7 8 9 10 11 12 DC voltage (V) 2.1 2.25 GND 2.25 2.1 6.8 9.8 2.25 VCC GND 2.25 9.8 4 2002-02-13 TA8211AH 1.0 mF 4 IN1 OUT1 AMP1 7 5 3 1 400 W Pre-GND 20 kW 400 W 20 kW PW-GND 10 2.2 W 47 mF 47 mF 8 11 AMP2 INPUT2 1.0 mF 2 1000 mF 2.2 W INPUT1 9 OUT2 IN2 5 12 0.12 mF 0.12 mF 6 Ripple Filter VCC 1000 mF 100 mF Test Circuit RL RL 1000 mF 2002-02-13 TA8211AH ICCQ, VOUT (DC) – VCC GV – f 160 32 90 VCC = 20 V RL = 8 W Vout = 0.775 Vrms (0dBm) ICCQ 80 16 VOUT (DC) (V7, V12) 8 40 0 0 8 16 24 70 60 50 40 30 20 10 0 40 32 Supply voltage VCC (dB) 24 GV 120 80 Voltage gain Ta = 25°C Output DC voltage VOUT (DC) (V) Quiescent current ICCQ (mA) Vin = 0 0 30 100 300 (V) 1k Frequency f THD – Pout 30k 100k (Hz) 30 (%) VCC = 20 V RL = 8 W Ta = 25°C THD 5 3 Total harmonic distortion (%) THD Total harmonic distortion 10k THD – Pout 30 10 3k 1 0.5 0.3 f = 10 kHz 0.1 100 Hz 0.05 f = 1 kHz RL = 8 W Ta = 25°C 10 5 3 VCC = 12 V 20 28 1 0.5 0.3 0.1 0.05 1 kHz 0.02 0.02 0.03 0.1 0.3 1 Output power 3 10 30 0.3 1 Pout (W) 3 Output power THD – f 100 300 Pout (W) C.T. – f VCC = 20 V RL = 8 W Pout = 2 W Ta = 25°C VCC = 20 V RL = 8 W Rg = 620 W Vout = 0.775Vrms (0dBm) Ta = 25°C 1 0.5 0.3 0.1 C.T. (dB) -20 -30 Cross talk (%) THD Total harmonic distortion 30 -10 5 3 10 -50 -40 -60 -70 0.05 -80 0.02 30 100 300 1k 3k Frequency f 10k 30k 100k 30 (Hz) 100 300 1k 3k Frequency f 6 10k 30k 100k (Hz) 2002-02-13 TA8211AH R.R. – f C.T. – Rg -10 -10 C.T. (dB) Cross talk -40 Ripple rejection ratio R.R. (dB) f = 1 kHz RL = 8 W Vout = 0.775 Vrms (0dBm) Ta = 25°C -30 -50 -60 -70 -80 -90 -100 VCC = 20 V RL = 8 W Rg = 620 W Vripple = 0.775 Vrms (0dBm) VCC = 20 V -20 30 100 300 1k 3k 10k Signal source resistance Rg 30k -20 -30 -40 -50 -60 -70 -80 -90 100k 30 100 (W) 300 -40 (mVrms) -30 Vno -20 0.32 0.24 Output noise voltage Ripple rejection ratio R.R. (dB) VCC = 20 V RL = 8 W fripple = 100Hz Vripple = 0.775 Vrms (0dBm) Ta = 25°C -50 -60 -70 -80 VCC = 20 V RL = 8 W BW = 20 Hz~20 kHz Ta = 25°C 0.28 0.20 0.16 0.12 0.08 0.04 100 300 1k 3k 10k 30k 100k 30 (W) 100 300 10k ICCQ (mA) 0.04 VCC = 20 V RL = 8 W Rg = 10 kW BW = 20 Hz~20 kHz -20 0 20 30k 100k (W) VCC = 20 V Vin = 0 160 Quiescent current (mVrms) 3k ICCQ – Ta 0.08 0 -40 1k Signal source resistance Rg Vno – Ta Vno (Hz) 0 30 Signal source resistance Rg Output noise voltage 30k 0.36 -10 0.12 10k Vno – Rg R.R. – Rg 0.16 3k Frequency f 0 -90 1k 40 60 120 80 40 0 -40 80 Ambient temperature Ta (°C) -20 0 20 40 60 80 Ambient temperature Ta (°C) 7 2002-02-13 TA8211AH Pout – VCC THD – Ta 16 0.1 0.05 0.02 -40 -20 0 20 40 60 Pout (W) (%) THD Total harmonic distoration 0.3 RL = 8 W f = 1 kHz THD = 10% 12 Output power VCC = 20 V RL = 8 W f = 1 kHz Pout = 2 W 0.5 8 4 0 0 80 8 Ambient temperature Ta (ºC) 16 Supply voltage VCC 32 40 (V) PD – Pout 16 16 (W) RL = 8 W f = 1 kHz Ta = 25°C RL = 8 W f = 1 kHz Ta = 25°C 12 PD 12 Power dissipation (W) PD MAX – VCC Maximum power dissipation PD MAX 24 8 4 VCC = 28 V 8 24 4 20 18 0 10 14 18 22 26 Supply voltage VCC 0 0 30 (V) 4 8 Output power 12 16 20 Pout (W) PD – Ta 30 Allowable power dissipation PD (W) 1: Infinite heat sink 25 2: 4.1°C/W heat sink 1 3: 9.5°C/W heat sink 20 2 15 10 3 5 0 0 25 50 75 100 125 150 175 Ambient temperature Ta (°C) 8 2002-02-13 TA8211AH Package Dimensions Weight: 4.04 g (typ.) 9 2002-02-13 TA8211AH RESTRICTIONS ON PRODUCT USE 000707EBF · TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability Handbook” etc.. · The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document shall be made at the customer’s own risk. · This product generates heat during normal operation. However, substandard performance or malfunction may cause the product and its peripherals to reach abnormally high temperatures. The product is often the final stage (the external output stage) of a circuit. Substandard performance or malfunction of the destination device to which the circuit supplies output may cause damage to the circuit or to the product. · The products described in this document are subject to the foreign exchange and foreign trade laws. · The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. · The information contained herein is subject to change without notice. 10 2002-02-13