The HA-2404 comprise a series of four-channelprogrammable amplifiers providing a level of versatilityunsurpassed by any other monolithic operational amplifier.Versatility is achieved by employing four input amplifierchannels, any one (or none) of which may be electronicallyselected and connected to a single output stage throughDTL/TTL compatible address inputs. The device formed bythe output and the selected pair of inputs is an op amp whichdelivers excellent slew rate, gain bandwidth and powerbandwidth performance. Other advantageous features forthese dielectrically isolated amplifiers include high voltagegain and input impedance coupled with low input offsetvoltage and offset current. External compensation is notrequired on this device at closed loop gains greater than 10.Each channel of the HA-2404 can be controlled andoperated with suitable feedback networks in any of thestandard op amp configurations. This specialization makesthese amplifiers excellent components for multiplexing signalselection and mathematical function designs. With 30V/μsslew rate, 40MHz gain bandwidth and 30MΩ inputimpedance these devices are ideal building blocks for signalgenerators, active filters and data acquisition designs.Programmability, coupled with 4mV typical offset voltageand 5nA offset current, makes these amplifiers outstandingcomponents for signal conditioning circuits.During Disable Mode VOUT goes to V-. For high outputimpedance during Disable, see HA2444.For further design ideas, see Application Note AN514.
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