CLC501AIB Datasheet

CLC502 - Clamping, Low Gain op Amp With Fast 14-bit Settling, Package: Lcc, Pin Nb=20


Features, Applications

The is an operational amplifier designed for low gain applications requiring output voltage clamping. This feature allows the designer to set maximum positive and negative output voltage levels for the amplifier � thus allowing the CLC502 to protect downstream circuitry, such as delicate converter systems from destructive transients or signals which would otherwise cause saturation. The overload recovery time of only 8ns permits systems to resume operation quickly after overdrive. High accuracy systems will also benefit from the CLC502's fast, accurate settling. Settling 25ns (32ns guaranteed over temperature), the CLC502 is ideal as the input amplifier in high accuracy (12 bits and above) A/D systems. Unlike most other high speed op amps, the CLC502 is free of settling tails. And, as the settling plots show, settling to 0.01% accuracy is an even faster 18ns typical. The CLC502 is also useful in other applications which require low gain amplification � 8) and the clamping or overload recovery features. For example, even low resolution imaging circuits, which often have to cope with overloading signal levels, can benefit from clamping and overload recovery. The CLC502 is available in several versions to meet a variety of requirements. A three-letter suffix determines the version: Enhanced Solutions (Military/Aerospace)


Output clamping with fast recovery 0.0025% settling 25ns (32ns max) Low power, 170mW Low distortion. at 20MHz


Output clamping applications High accuracy A/D systems (12-14 bits) High accuracy D/A converters Pulse amplitude modulation systems Clamped Pulse Response (8x Overdrive)

*Space level versions also available. *For more information, visit http://www.national.com/mil

Package 8-pin Plastic DIP 8-pin Plastic SOIC Temperature Range Industrial to +85�C Part Number CLC502AJP CLC502AJE Package Marking CLC502AJP CLC502AJE NSC Drawing N08E M08A

If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (VCC) IOUT Output is short circuit protected to ground, but maximum reliability will be maintained if IOUT does not exceed... Common Mode Input Voltage Junction Temperature

Operating Temperature Range Storage Temperature Range Lead Solder Duration (+300�C) ESD (Human Body Model)

(AV = +2, VCC = -3V) Symbol Ambient Temperature Frequency Domain Performance SSBW LSBW Gain Flatness GFPL GFPH GFR LPD TRS TRL TS14 TSP TSS HD2 HD3 SNF INV DG DP OVC TSO VOC ICL CBW CMC VIO Settling Time � 0.0025% Peaking Rolloff (Note 5) Linear Phase Deviation Rise and Fall Time -3dB Bandwidth VOUT < 0.5VPP VOUT < 5VPP VOUT 20MHz 2x Overdrive 2x Overdrive 2x Overdrive or VL Parameter Conditions CLC502AJ Typ +25�C Max/Min Ratings (Note +25�C +85�C Units

50MHz 0.5V Step 5V Step 2V Step 2V Step 2V Step 0.5V Step

Overshoot Slew Rate 2nd Harmonic Distortion 3rd Harmonic Distortion Equivalent Input Noise Floor Integrated Noise Differential Gain (Note 4) Differential Phase (Note 4) Overshoot in Clamp Overload Recovery from Clamp Accuracy(Note 3) Input Bias Current on VH, VL -3dB Bandwidth Clamp Voltage Range Input Offset Voltage (Note 3)

Symbol DVIO IBN DIBN IBI DIBI PSRR CMRR ICC RIN CIN RO CMIR VO IO Output Impedance Common Mode Input Range Output Voltage Range Output Current Parameter Average Temperature Coefficient Input Bias Current (Note 3) Average Temperature Coefficient Input Bias current (Note 3) Average Temperature Coefficient Power Supply Rejection Ratio Common Mode Rejection Ratio Supply Current (Note 3) Non-Inverting Input

(AV = +2, VCC = -3V) Conditions Typ 3 Non-Inverting 10 100 Inverting No Load Resistance Capacitance DC No Load Max/Min Ratings (Note 2) Units �V/�C �A nA/�C �A nA/�C V mA Static, DC Performance

Note 1: "Absolute Maximum Ratings" are those values beyond which the safety of the device cannot be guaranteed. They are not meant to imply that the devices should be operated at these limits. The table of "Electrical Characteristics" specifies conditions of device operation. Note 2: Min/max ratings are based on product characterization and simulation. Individual parameters are tested as noted. Outgoing quality levels are determined from tested parameters. Note 3: AJ-level: spec. is 100% tested at +25�C. Note 4: Differential gain and phase measure = 250 Note 150, 1VPP equivalent video signal, 0-100 IRE, 40 IREPP 0 IRE = 0 volts, at 75 load and 3.58 MHz



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