LM1044 Datasheet | National Semiconductor

Description Primarily intended for but not restricted to the switching of video signals the LM1044 is a monolithic DC controlled analog switch with buffered outputs allowing the selection of three 5 MHz bandwidth 6 d B gain channels or two RGB a Sync 30 MHz bandwidth 0 d B gain channels Channel selection is achieved via latched TTL patible logic inputs which may be controlled by microprocessor derived signals The device is supplied in a 24 pin dual in line plastic package Features Y Y Y Y Y Y Wide RGB bandwidth typically 30 MHz High signal to noise ratio typically 60 d B Excellent channel isolation typically b60 d B 5 MHz High RGB output currents typically 4 m A peak RGB channels may be DC restored or clamped Logically patible with the LM1038 stereo audio switch IC Block Diagram TL H 9252 - 1 Order Number LM1044N See NS Package Number N24A C1995 National Semiconductor Corporation TL H 9252 RRD-B30M115 Printed in U S A Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications 17V Package Dissipation at TA e 25 C (Note 8) 2 0W b 0 2V to Vs a 0 2V Voltage at Control and Signal Inputs Supply Voltage (VS) Output Current I23 I17 I16 I15 ESD Susceptibility (Note 5) Operating Temperature Storage Temperature Lead Temperature (Soldering 10 sec ) Junction Temperature 10 m A 2000V 0 C to a 70 C b 65 C to a 150 C 265 C 150 C Electrical Characteristics VS e 12V Parameter RL e 600X CL e 20 p F TA e 25 C unless otherwise stated Test Limit (Note 6) Min Max 16 60 20 08 2 20 250 5 5 7 20 08 10 50 500 Min 8 Design Limit (Note 7) Typ 12 42 Max 16 60 V m A V V m A m A m A ms ms Units Conditions Supply Voltage Vs Supply Current Control Inputs Logic High Level Control Inputs Logic Low Level Enable Input Current Pin 22 Control Input Current Enable Pulse Width Channel Select Time POSITE VIDEO CHANNELS Maximum Input Voltage Swing Input Impedance Dynamic Output...