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National Semiconductor LF2 DataSheet

No. Partie # Fabricant Description Fiche Technique
1
LF2650

National Semiconductor
quad JFET analog switch

• Constant ON resistance for signals ±10V and 100 kHz <
• tOFF tON. break before make action
• Open switch isolation at 1.0 MHz
• < 1.0 nA leakage in OFF state -50 dB
• TTL. DTL. RTL direct drive compatibility
• Single disable pin turns all sWitc
Datasheet
2
LF256

National Semiconductor
JFET Input Operational Amplifiers
Advantages n Replace expensive hybrid and module FET op amps n Rugged JFETs allow blow-out free handling compared with MOSFET input devices n Excellent for low noise applications using either high or low source impedance — very low 1/f corner n Offse
Datasheet
3
LF211

National Semiconductor
Voltage Comparators
Y Eliminates input current errors Y Interchangeable with LM111 Y No need for input current buffering Schematic Diagram Note Do Not Ground Strobe Pin or Balance Strobe Pin See Note 7 Connection Diagram Metal Can Package TL H 5703
  – 2
Datasheet
4
LF257

National Semiconductor
JFET Input Operational Amplifiers
Advantages n Replace expensive hybrid and module FET op amps n Rugged JFETs allow blow-out free handling compared with MOSFET input devices n Excellent for low noise applications using either high or low source impedance — very low 1/f corner n Offse
Datasheet
5
LF298

National Semiconductor
Monolithic Sample-and-Hold Circuits
Datasheet



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