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NTE7053 Integrated Circuit 22W Bridge-Stereo Amplifier for Car Radio
Description: The NTE7053 is an audio power amplifier is a 11-Lead Staggered SIP type package designed for car radio applications. Thanks to the fully complementary PNP/NPN output configuration, the high performance of this device is obtained without bootstrap capacitors. A delay turn-on mute circuit eliminates audible ON/OFF noise, and a novel short circuit protection system prevents spurious intervention with highly inductive loads. Features: Protections: D D D D D D D D Few External Components No Boucherot Cells No Bootstrap Capacitors High Output Power No Switch ON/OFF Noise Very Low Stand-by Current Fixed Gain (30dB Stereo) Programmable Turn-On Delay D Output AC-DC Short Circuit to GND and to Supply Voltage D Very Inductive Loads D Loudspeaker Protection D Overrating Chip Temperature D Load Dump Voltage D Fortuitous Open Ground
Absolute Maximum Ratings: Operating Supply Voltage, VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V DC Supply Voltage, VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28V Peak Supply Voltage (for t = 50ms), VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V Output Peak Current (Non-Repetitive for t = 100s), IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5A Output Peak Current (Repetitive Frequency > 10Hz), IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A Power Dissipation (TC = +85C), Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36W Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +150C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +150C Maximum Thermal Resistance, Junction-to-Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.8C/W
Electrical Characteristics: (TA = +25C, VS = 14.4V, f = 1kHz unless otherwise specified)
Parameter Supply Voltage Range Total Quiescent Drain Current Stand-By Attenuation Stand-By Current Thermal Shut-Down Junction Temperature Stereo Output Power (Each Channel) PO d = 10% RL = 2 RL = 3.2 RL = 4 d = 10%, VS = 13.2V RL = 2 RL = 3.2 RL = 4 Distortion Supply Voltage Rejection Crosstalk Input Resistance Voltage Gain Voltage Gain Match Input Noise Voltage Bridge Output Power (Each Channel) PO d = 10% d = 10%, VS = 13.2V Distortion Output Offset Voltage Supply Voltage Rejection Input Resistance Voltage Gain Input Noise Voltage d VOS SVR RI GV EIN Note 1 RS = 50 RS = 10k RS = 10k, f = 100Hz C3 = 22F C3 = 100F RL = 3.2 RL = 4 RL = 3.2 RL = 4 16 - - - - - 45 - - 33 - - 22 20 19 17.5 - - 50 57 50 35 2.7 3.2 - - - - 1 250 - - - 37 - - W W W W % mV dB dB k dB V V d SVR CT RI GV GV EIN Note 1 RS = 50 RS = 10k PO = 0.1W to 4W, RL = 3.2 RS = 10k, f = 100Hz f = 1kHz f = 10kHz C3 = 22F C3 = 100F - 7 - - - - - 45 - 45 - 30 27 - - - 11 8 8.5 9 6.5 5.5 - 50 57 55 50 50 29 - 2 2.7 - - - - - - 0.5 - - - - - 31 1 - 7 W W W W W W % dB dB dB dB k dB dB V V Symbol VS Id ASB ISB Tsd Stereo Configuration Test Conditions Min Typ Max Unit 8 - 60 - - - - 80 - 150 18 120 - 100 - V mA dB A C
PO = 0.1W to 4W, RL = 4
Note 1. 22Hz to 22kHz
Pin Connection Diagram (Front View)
11 Stand-By 10 Output 1 9 +VS 8 Output 2 7 SVR 6 P-GND/Tab 5 Input 2 (+) 4 Bridge/Stereo 3 S-GND 2 Input 1 (-) 1 Input 1 (+)
.791 (20.1)
Tab
.196 (4.99) .062 (1.52)
Note
.110 (2.79)
.150 (3.81) Dia Max
.689 (17.5) .696 (17.68)
1
11
.858 (21.79)
.067 (1.7)
.008 (.203)
.200 (5.08)
.169 (4.29)
NOTE: Tab connected to Pin6

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