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| NTE7051 Integrated Circuit 1W BTL Mono Audio Amplifier Description: The NTE7051 is a mono output amplifier in a 8-Lead DIP style plastic package designed for use in battery-fed portable audio applications, such as tape recorders and radios. This device uses the Bridge-Tied-Load principle (BTL) which can deliver an output power of 1.2W (THD = 10%) into an 8 load with a power supply of 6V. The load can be short-circuited at each signal excursion. Features: D No External Components D D D D D No Switch-On or Switch-Off Clicks Good Overall Stability Low Power Consumption No External Heatsink Required Short-Circuit Proof Absolute Maximum Ratings: Supply Voltage, VP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V Non-Repetitive Peak Output Current, IOSM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5A Total Power Dissipation (TA = +25C), Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.15W Operating Junction Temperature, TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Electrical Characteristics: (VP = 6V, RL = 8, f = 1kHz, TA = +25C unless otherwise specified) Parameter Supply Voltage Range Total Quiescent Current Voltage Gain Output Power Symbol VP Itot GV PO THD = 10% RL = Test Conditions Min 3 - 39 - Typ 6 4 40 1.2 Max 15 8 41 - Unit V mA dB W Electrical Characteristics (Cont'd): (VP = 6V, RL = 8, f = 1kHz, TA = +25C unless otherwise specified) Parameter Noise Output Voltage (RMS) Frequency Response Supply Voltage Ripple Rejection DC Output Offset Voltage (Pin5 to Pin8) Total Harmonic Distortion Input Impedance Input Bias Current Symbol Vno(rms) fr SVRR V5-8 THD |ZI| Ibias Note 3 RS = 5k PO = 0.1W 40 - - - - Test Conditions Note 1 Note 2 Min - - Typ 150 60 20 to 20k 50 - 0.2 100 100 - 100 - - 300 Max 300 - Unit V V Hz dB mV % k nA Note 1. The unweighted RMS noise output voltage is measured at a bandwidth of 60Hz to 15kHz with a source impedance (RS) of 5k. Note 2. The RMS noise output voltage is measured at a bandwidth of 5kHz with a source impedance of 0 and a frequency of 500kHz. With a practical load (R = 8, L = 200H) the noise output current is only 100nA. Note 3. Ripple Rejection is measured at the output with a source impedance of 0 and a frequency between 100Hz and 10kHz. The ripple voltage = 200mV (RMS value) is applied to the positive supply rail. Pin Connection Diagram VCC 1 Input GND (Signal) N.C. 2 3 4 8 7 6 5 Output 2 N.C. GND (Substrate) Output 1 8 5 .256 (6.52) Max 1 4 .393 (10.0) Max .150 (3.81) .300 (7.62) .100 (2.54) .300 (7.62) .070 (1.77) Min |
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