NTE1877 Integrated Circuit Module, Dual AF PO, 28W/Ch, Dual Power Supply
Absoulte Maximum Ratings: (TA = +25C unless otherwise specified) Supply Voltage, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52.5V Maximum Output Power (VCC = 45V, f = 1kHz, RL = 4), POmax . . . . . . . . . . . . . . . . . . . . . . . . 50W Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150C Operating Case Temperature, TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +125C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -30 to +125C Thermal Resistance, Junction-to-Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5C/W Turn-On Time (VCC = 35V, RL = 4, PO = 28W, f = 1kHz), tS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2sec Recommended Operating Conditions: (TA = +25C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35V Load Resistance, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Electrical Characteristics: (TA = +25C, VCC = 35V, RL = 4, Rg = 600, VG = 40dB unless otherwise specified)
Parameter Idle Current Power Output Symbol ICCO PO Test Conditions VCC = 45V VCC = 13.2V, THD = 10%, f = 1kHz THD = 10%, f = 1kHz THD = 1%, f = 70Hz to 15kHz Total Harmonic Distortion Frequency Range Input Resistance Noise Voltage THD fL, fH ri VNO VCC = 8V, PO = 1W, f = 1kHz VCC = 45V, PO = 1W, f = 1kHz PO = 1W, VG = -3dB PO = 1W, Rg = 10k VCC = 45V, Rg = 10k - - Min - 4.8 28 18 - - Typ - - - 21 0.4 - 40 to 50k 21 - - 0.8 Max 175 - - - 1.0 0.5 Unit mA W W W % % Hz k mVrms
Pin Connection Diagram (Front View) 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 N.C. Mute Output Mute t Cap Input 2 NFB 2 GND 2 Power GND 2 Output 2 Feedback 2 Bootstrap Substrate V (+) Feedback 1 Output 1 Power GND 1 GND 1 NFB 1 Input 1
2.520 (64.0 2.190 (55.6) .334 (8.5)
1.440 (36.4)
.737 (18.7) 1 .141 (3.6) Dia (2 Holes) 18
1.030 (23.5)
.158 (4.0) .100 (2.54) 1.700 (43.18) .114 (5.5)
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