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                1
                CA3260, CA3260A
                4MHz, BiMOS Operational Ampli.er with
                MOSFET Input/CMOS Output
                CA3260A and CA3260 are integrated circuit operational
                ampli.ers that combine the advantage of both CMOS and
                bipolar transistors on a monolithic chip. The CA3260 series
                circuits are dual versions of the popular CA3160 series.
                GateprotectedP-ChannelMOSFET(PMOS)transistorsare
                used in the input circuit to provide very high input
                impedance, very low input current, and exceptional speed
                performance.TheuseofPMOS.eldeffecttransistorsinthe
                inputstageresultsincommonmodeinputvoltagecapability
                down to 0.5V below the negative supply terminal, an
                important attribute in single supply applications.
                A complementary symmetry MOS (CMOS) transistor pair,
                capable of swinging the output voltage to within 10mV of
                either supply voltage terminal (at very high values of load
                impedance), is employed as the output circuit.
                The CA3260 Series circuits operate at supply voltages
                ranging from 4V to 16V, or
                ±
                2V to
                ±
                8V when using split
                supplies. The CA3260A offers superior input characteristics
                over those of the CA3260.
                Pinout
                CA3260, CA3260A (PDIP)
                TOP VIEW
                Features
                .MOSFET Input Stage provides
                -Very High Z
                I
                = 1.5T
                .
                (1.5 x 10
                12
                .
                ) (Typ)
                -Very Low I
                I
                . . . . . . . . . . . . 5pA (Typ) at 15V Operation
                . . . . . . . . . . . . . . . . . . . . . .2pA(Typ)at5VOperation
                .Ideal for Single Supply Applications
                .Common Mode Input Voltage Range Includes
                NegativeSupplyRail;InputTerminalsCanbeSwung0.5V
                Below Negative Supply Rail
                .CMOS Output Stage Permits Signal Swing to Either (Or
                Both) Supply Rails
                Applications
                .Ground Referenced Single Supply Ampli.ers
                .Fast Sample-Hold Ampli.ers
                .Long Duration Timers/Monostables
                .Ideal Interface with Digital CMOS
                .High Input Impedance Wideband Ampli.ers
                .Voltage Followers (e.g. Follower for Single Supply D/A
                Converter)
                .Voltage Regulators (Permits Control of Output Voltage
                Down to 0V)
                .Wien Bridge Oscillators
                .Voltage Controlled Oscillators
                .Photo Diode Sensor Ampli.ers
                NON INV. INPUT (A)
                V-
                1
                2
                3
                8
                7
                6
                5
                V+
                OUTPUT (B)
                INV. INPUT (B)
                NON INV. INPUT (B)
                OUTPUT (A)
                A
                4
                B
                +
                -
                +
                -
                INV. INPUT (A)
                Ordering Information
                PART NUMBER
                TEMP.
                RANGE (
                o
                C)PACKAGE
                PKG.
                NO.
                CA3260E-55to 1258 Ld PDIPE8.3
                CA3260AE-55to 1258 Ld PDIPE8.3
                Data SheetSeptember 1998File Number1266.4
                CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
                1-888-INTERSIL or 321-724-7143
                |
                Copyright
                .
                Intersil Corporation 1999
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