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| NTE1221 Integrated Circuit Stereo Preamp Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Maximum Supply Voltage, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V Collector-Base Voltage (Q1), VCBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V Collector-Emitter Voltage (Q1), VCEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Emitter-Base Voltage (Q1), VEBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V Collector Current (Q1), IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25mA Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -30 to +125C Recommended Operatin Conditions: (TA = +25C unless otherwise specified) Recommended Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V Electrical Characteristics: (TA = +25C, VCC = 6V, f = 1kHz unless otherwise specified) Parameter Dissipation Current Voltage Gain Output Voltage Bandwidth Total Harmonic Distortion Input Resistance Output Resistance Crosstalk Noise Voltage Converted to Input Transistor Characteristics Collector Cutoff Current Emitter Cutoff Current DC Current Gain Collector-Emitter Saturation Voltage ICBO IEBO hFE VCB = 15V VEB = 4V VCB = 3V, IC = 1mA - - 70 - - - - 0.5 1.0 1.0 - - V A A Symbol I4, I13 VG VO BW THD ri ro CT VNI VCC = 10V, Rg = 600, NAB 4.8cm/s Vi = 0.5mV THD = 5%, RNF = 100 Vi = 0.5mV, -3dB VO = 0.45V, RNF = 100 Test Conditions Min Typ Max Unit - 57 1.0 - - - - - - 3.5 61 1.5 400 0.5 90 1 -40 1.0 6.0 - - - 0.9 - - - 3.0 mA dB V kHz % k k dB V VCE(sat) IC = 1mA, IC/IB = 10mA Pin Connection Diagram Invert Input Amp 2 1 Gain Adjust 2 Output Amp 1 3 VCC Amp 1 4 Non-Invert Input Amp 1 5 Invert Input Amp 1 6 Gain Adjust 7 14 Non-Invert Input Amp 2 13 VCC Amp 2 12 Output Amp 2 11 Freq Comp Amp 2 10 Q1 Base 9 Q1 Collector 8 Q1 Emitter 14 8 1 7 .785 (19.95) Max .300 (7.62) .200 (5.08) Max .100 (2.45) .600 (15.24) .099 (2.5) Min |
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