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| NTE927 Integrated Circuit Differential Video Amplifier Description: The NTE927 is a two-stage, differential input, differential output, wide-band video amplifier. The use of internal series-shunt feedback gives wide band bandwidth with low phase distortion and high gain stability. Emitter-follower outputs provide a high current drive, low impedance capability. Its 120MHz bandwidth and selectable gains of 10, 100, and 400, without need for frequency compensation, make it a very useful circuit for memory element drivers, pulse amplifiers, and wide band gain stages. Features: D 120MHz Bandwidth D 250k Input Resistance D No Frequency Compensation Required D Selectable Gains of 10, 100 and 400 D High Common Mode Rejection Ratio at High Frequencies Applications: D Magnetic Tape Systems D Disk File Memories D Thin and Thick Film Memories D Woven and Plated Wire Memories D Wide Band Video Amplifiers Absolute Maximum Ratings: Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V Common Mode Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8V Output Current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA Power Dissipation (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +100C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +70C Lead Temperature (Soldering, 10sec), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +260C Note 1. For operation at elevated temperatures, derate device based on a thermal resistance of +150C/W junction to ambient or +45C/W junction to case. Electrical Characteristics: (TA = +25C, unless otherwise specified, VS = 6V) Parameter Differential Voltage Gain Gain 1 (Note 2) Gain 2 (Note 3) Gain 3 (Note 4) Bandwidth Gain 1 Gain 2 Gain 3 Rise Time Gain 1 Gain 2 Gain 3 Propagation Delay Gain 1 Gain 2 Gain 3 Input Resistance Gain 1 Gain 2 Gain 3 Input Capacitance Input Offset Current Input Bias Current Input Noise Voltage Input Voltage Range Common Mode Rejection Ratio Gain 2 Gain 2 Supply Voltage Rejection Ratio Gain 2 Output Offset Voltage Gain 1 Gain 2 and 3 Output Common Mode Voltage Output Voltage Swing Output Sink Current Output Resistance Power Supply Current RL = VCM = 1V, f 100kHz VCM = 1V, f = 5MHz VS = 0.5V RL = RL = RL = 2k BW = 1kHz to 10MHz Gain 2 VOUT = 1Vp-p - - - - 10 - - - - - 1.0 60 - 50 - - 2.4 3.0 2.5 - - 7.5 6.0 3.6 4.0 30 250 2.0 0.4 9.0 12 - 86 60 70 0.6 0.35 2.9 4.0 3.6 20 18 - 10 - k - - - - 5.0 30 - - - - dB - V 1.5 1.5 3.4 - - - 24 mA mA V pF A A Vrms V dB Test Conditions Min 250 80 8.0 - - - - - - Typ 400 100 10 40 90 120 10.5 4.5 2.5 Max 600 120 12 MHz - - - ns - - - ns Unit RL = 2k, VOUT = 3Vp-p Electrical Characteristics: (The following specifications apply for 0 < TA < +70C, VS = 6V) Parameter Differential Voltage Gain Gain 1 Gain 2 Gain 3 Input Resistance Input Offset Current Input Bias Current Input Voltage Range Common Mode Rejection Ratio Gain 2 Supply Voltage Rejection Ratio Gain 2 Output Offset Voltage Gain 1 Gain 2 and 3 Output Voltage Swing Output Sink Current Power Supply Current RL = VCM = 1V, f 100kHz VS = 0.5V RL = RL = 2k Test Conditions Min 250 80 8.0 8 - - 1.0 50 50 - - 2.8 2.5 - Typ - - - - - - - - - - - - - - Max 600 120 12.0 - 6 40 - - dB - V 1.5 1.5 - - 27 Vpp mA mA k A A V dB Unit RL = 2k, VOUT = 3Vp-p Gain 2 Note 2. Pins G1A and G1B connected together. Note 3. Pins G2A and G2B connected together. Note 4. Gain select pins open. Pin Connection Diagram (Top View) Output 1 7 V (+) 8 Gain Select G1A 6 Output 2 5 V (-)/Case 9 4 Gain Select G1B Gain Select G2A 10 1 Input 1 2 3 Gain Select G2B Input 2 .335 (8.52) Dia Max .260 (6.6) Max .500 (12.7) Min .018 (0.45) Dia Typ .115 (2.92) 3 2 1 7 10 9 8 .230 (5.84) Dia 4 5 6 .370 (9.4) Max |
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