![]() |
|
If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
Datasheet File OCR Text: |
UNISONIC TECHNOLOGIES CO., LTD TDA7266N 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. LINEAR INTEGRATED CIRCUIT 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 Package HZIP-15D Packing Tube www.unisonic.com.tw Copyright (c) 2009 Unisonic Technologies Co., Ltd 1 of 9 QW-R107-061.A TDA7266N PIN CONFIGURATION (Top View) 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 LINEAR INTEGRATED CIRCUIT 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 BLOCK DIAGRAM LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 9 QW-R107-061.A TDA7266N ABSOLUTE MAXIMUM RATINGS LINEAR INTEGRATED CIRCUIT PARAMETER SYMBOL RATINGS UNIT Supply Voltage VCC 20 V Output Peak Current (internally limited) IOUT 2 A Power Dissipation (Ta =70C) 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 JA JC RATINGS 48 2.5 UNIT C/W C/W ELECTRICAL CHARACTERISTICS(VCC=11V, RL =8, f=1kHz, Ta=25C, 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 Mute Threshold Mute Attenuation STAND BY FUNCTION STAND-BY Threshold STAND-BY Current V6=GND 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 VMTHD AMUTE VTST-BY IST-BY for VCC>6.4V, VOUT= -30dB for VCC<6.4V, VOUT= -30dB MIN 3 TYP 11 150 48 30 7 0.05 60 26 56 150 MAX 18 120 65 UNIT V mV V mA k W % % dB dB dB dB C V V dB 1.8 100 V A 25 6.3 0.2 1 27 0.5 46 25 40 2.3 2.9 4.1 VCC/2-1.0 VCC/2-0.75 VCC/2-0.5 60 0.8 80 1.3 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 9 QW-R107-061.A TDA7266N APPLICATION SUGGESTION 1. LINEAR INTEGRATED CIRCUIT 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 0.22F IN1 ST-BY R1 10k P MUTE R2 10k IN2 C4 1F 12 C3 0.22F 8 PW-GND 9 S-GND 14 OUT26 C2 10F 4 3 13 1 7 2 OUT1C5 470F OUT1+ C6 100nF UTC TDA7266N 15 OUT2+ Fig 1. Microprocessor Application UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 9 QW-R107-061.A TDA7266N APPLICATION SUGGESTION(Cont.) +Vcc(V) +18 LINEAR INTEGRATED CIRCUIT 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 MUTE ST-BY OFF Fig 2. Microprocessor Driving Signals UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 6 of 9 QW-R107-061.A TDA7266N APPLICATION SUGGESTION(Cont.) 2. For Low Cost Application Vcc IN1 R1 47k R2 47k C4 10F C3 0.22F IN1 ST-BY 4 7 3 LINEAR INTEGRATED CIRCUIT 13 1 C1 470F OUT1+ C2 100nF 2 MUTE 6 OUT1- UTC TDA7266N 15 OUT2+ IN2 C5 0.22F 12 14 OUT28 9 PW-GND 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 10 Total Harmonic Distortion, THD(%) R1=8 F=1kHZ 5.0 4.0 3.0 2.0 1 VCC=9V Level (dB) LINEAR INTEGRATED CIRCUIT Gain vs. Frequency VCC=11V R1=8 POUT=1W 1.0 0 -1.0 -2.0 -3.0 -4.0 -5.0 VCC=11V 0.1 0.01 0.1 -6.0 -7.0 10 10 100 1k 10k Frequency (HZ) 100k 1 Output Power, POUT(W) Output Power vs. Supply Voltage 20 18 Output Power, POUT (W) 16 14 12 10 8 6 4 2 0 2 6 10 14 Supply Voltage, Vs (V) Mute Attenuation vs.MUTE Voltage 10 0 -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 STAND-BY Attenuation (dB) -10 Mute Attenuation (dB) 10 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 0 18 d=1% d=10% R1=8 F=1kHZ Output Power, POUT(W) 8 7 6 5 4 3 2 1 0 0 Total Power Dissipation & Efficiency vs. Output Power POUT 80 70 60 50 40 (%) (%) VCC=11V R1=8(both channels) F=1kHZ 1 2 3 4 5 6 7 2xOutput Power, POUT (W) Stand-By Attenuation vs. STAND-BY Voltage 8 30 20 10 0 1.2 1.6 0.4 0.8 2.0 2.4 STAND-BY Voltage, VST-BY (V) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 8 of 9 QW-R107-061.A TDA7266N TYPICAL CHARACTERISTICS LINEAR INTEGRATED CIRCUIT 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 |
Price & Availability of TDA7266N
![]() |
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
[Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |