UNISONIC TECHNOLOGIES CO., LTD TDA7266N LINEAR INTEGRATED CIRCUIT 7+7W DUAL BRIDGE AMPLIFIER DESCRIPTION The UTC TDA7266N is a 7+7W dual bridge amplifier. This device is suitable for applications, such as TV and Portable Radio apparatus. FEATURES * Internally-fixed gain * Power supply varies from 3V to 18V * With minimum external components required: No SWR capacitor No bootstrap No boucherot cells * STAND-BY and MUTE functions * Protection circuit required: Short circuit protection Thermal overload protection HZIP-15D ORDERING INFORMATION Ordering Number Lead Free Halogen Free TDA7266NL-J15-D-T TDA7266NG-J15-D-T www.unisonic.com.tw Copyright © 2009 Unisonic Technologies Co., Ltd Package Packing HZIP-15D Tube 1 of 9 QW-R107-061.A TDA7266N LINEAR INTEGRATED CIRCUIT PIN CONFIGURATION (Top View) 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 OUT 2+ OUT 2VCC INPUT 2 N.C. N.C. S-GND PW-GND STAND-BY(ST-BY) MUTE N.C. INPUT 1 VCC OUT 1OUT 1+ PIN DESCRIPTION PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 PIN NAME OUT 1+ OUT 1VCC INPUT 1 N.C. MUTE STAND-BY PW-GND S-GND N.C. N.C. INPUT 2 VCC OUT 2OUT 2+ DESCRIPTION NOINVERSING OUTPUT OF CHANNEL 1 INVERSING OUTPUT OF CHANNEL 1 SUPPLY VOLTAGE INPUT OF CHANNEL 1 NOT CONNECT MUTE THRESHOLD STAND-BY THRESHOLD GND OF POWER GND OF SIGNAL NOT CONNECT NOT CONNECT INPUT OF CHANNEL 2 SUPPLY VOLTAGE INVERSING OUTPUT OF CHANNEL 2 NOINVERSING OUTPUT OF CHANNEL 2 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 9 QW-R107-061.A TDA7266N LINEAR INTEGRATED CIRCUIT BLOCK DIAGRAM UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 9 QW-R107-061.A TDA7266N LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNIT Supply Voltage VCC 20 V Output Peak Current (internally limited) IOUT 2 A Power Dissipation (Ta =70°C) PD 20 W Junction Temperature TJ +125 °C Operating Temperature TOPR 0 ~ +70 °C Storage Temperature TSTG -40 ~ +150 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. THERMAL DATA PARAMETER Junction to Ambient Junction to Case SYMBOL θJA θJC RATINGS 48 2.5 UNIT °C/W °C/W ELECTRICAL CHARACTERISTICS(VCC=11V, RL =8Ω, f=1kHz, Ta=25°C, unless otherwise specified) PARAMETER Supply Range Output Offset Voltage Total Output Noise Voltage Total Quiescent Current Input Resistance Output Power Total Harmonic Distortion Crosstalk Closed Loop Voltage Gain Voltage Gain Matching Supply Voltage Rejection Thermal Threshold MUTE FUNCTION SYMBOL TEST CONDITIONS VCC VO(OFF) eN A curve, f=20Hz~20kHz IQ RIN POUT THD=10% POUT=1W THD POUT=0.1~2W, f=100Hz~15kHz CT Gv △Gv SVR f=100Hz, VR=0.5V Tt for VCC>6.4V, VOUT= -30dB for VCC<6.4V, VOUT= -30dB MIN 3 46 25 60 26 40 56 150 UNIT V mV μV mA kΩ W % % dB dB dB dB °C 2.3 2.9 4.1 VCC/2-1.0 VCC/2-0.75 VCC/2-0.5 V V 25 6.3 TYP 11 150 48 30 7 0.05 Mute Threshold VMTHD Mute Attenuation STAND BY FUNCTION STAND-BY Threshold STAND-BY Current V6=GND AMUTE 60 80 VTST-BY IST-BY 0.8 1.3 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MAX 18 120 65 0.2 1 27 0.5 dB 1.8 100 V μA 4 of 9 QW-R107-061.A TDA7266N LINEAR INTEGRATED CIRCUIT APPLICATION SUGGESTION 1. For Microprocessor Application In order to avoid annoying "Pop-Noise" during Turn-On/Off transients, it is necessary to guarantee the right St-by and mute signals sequence. It is quite simple to obtain this function using a microprocessor. Vcc C1 0.22μF IN1 ST-BY C2 10μF μP MUTE IN2 C5 470μF 13 1 OUT1+ 2 OUT1- 15 OUT2+ C6 100nF 7 R1 10k 6 R2 10k 3 4 UTC TDA7266N C4 1μF 12 C3 0.22μF 14 OUT2- 8 PW-GND 9 S-GND Fig 1. Microprocessor Application UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 9 QW-R107-061.A TDA7266N LINEAR INTEGRATED CIRCUIT APPLICATION SUGGESTION(Cont.) +Vcc(V) +18 VIN (mV) VST-BY Pin 7 1.8 1.3 0.8 VMUTE Pin 6 4.1 2.9 2.3 IQ (mA) VOUT (V) OFF ST-BY PLAY MUTE ST-BY OFF MUTE Fig 2. Microprocessor Driving Signals UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 6 of 9 QW-R107-061.A TDA7266N LINEAR INTEGRATED CIRCUIT APPLICATION SUGGESTION(Cont.) 2. For Low Cost Application Vcc C3 0.22μF IN1 R1 47k R2 47k IN1 4 ST-BY 3 C1 470μF 13 7 1 OUT1+ 2 OUT1- 15 OUT2+ C2 100nF C4 10μF MUTE IN2 6 UTC TDA7266N 12 C5 0.22μF 14 OUT28 PW-GND 9 S-GND Fig 3. Stand Alone Low Cost Application UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 7 of 9 QW-R107-061.A TDA7266N TYPICAL CHARACTERISTICS Distortion vs. Output Power Gain vs. Frequency 5.0 4.0 3.0 R1=8Ω F=1kHZ VCC=11V R1=8Ω POUT=1W 2.0 VCC=9V 1 1.0 Level (dB) Total Harmonic Distortion, THD(%) 10 0 -1.0 -2.0 -3.0 0.1 -4.0 -5.0 -6.0 -7.0 VCC=11V 0.01 0.1 1 Output Power, POUT(W) 10 18 14 12 d=10% 10 8 6 d=1% 4 0 6 60 5 50 4 40 3 6 10 14 Supply Voltage, Vs (V) 2 18 20 VCC=11V R1=8Ω(both channels) F=1kHZ 0 0 STAND-BY Attenuation (dB) Mute Attenuation (dB) -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 1 1.5 2 2.5 3 3.5 4 4.5 MUTE Voltage, VMUTE (V) 5 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 1 2 3 4 5 6 7 2xOutput Power, POUT (W) 10 0 8 Stand-By Attenuation vs. STAND-BY Voltage Mute Attenuation vs.MUTE Voltage 10 30 μ(%) 0 2 80 70 1 2 100k POUT 7 16 Output Power, POUT(W) Output Power, POUT (W) 8 R1=8Ω F=1kHZ 1k 10k Frequency (HZ) Total Power Dissipation & Efficiency vs. Output Power Output Power vs. Supply Voltage 20 100 10 μ(%) LINEAR INTEGRATED CIRCUIT 10 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 0 1.2 1.6 0.4 0.8 2.0 2.4 STAND-BY Voltage, VST-BY (V) 8 of 9 QW-R107-061.A TDA7266N LINEAR INTEGRATED CIRCUIT TYPICAL CHARACTERISTICS Quiescent Current, IQ (mA) UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 9 of 9 QW-R107-061.A