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SMP18:  Fast Acquisition Octal Sample-and-Hold with Multiplexed Input

Product Details

The SMP18 is a monolithic octal sample-and-hold; it has eight internal buffer amplifiers, input multiplexer, and internal hold capacitors. It is manufactured in an advanced oxide isolated CMOS technology to obtain high accuracy, low droop rate, and fast acquisition time. The SMP18 has a typical linearity error of only 0.01% and can accurately acquire a 10-bit input signal to ±1/2 LSB in less than 2.5 microseconds. The SMP18's output swing includes the negative supply in both single and dual supply operation.

The SMP18 was specifically designed for systems that use a calibration cycle to adjust a multiple of system parameters. The low cost and high level of integration make the SMP18 ideal for calibration requirements that have previously required an ASIC, or high cost multiple D/A converters.

The SMP18 is also ideally suited for a wide variety of sample-and- hold applications including amplifier offset or VCA gain adjustments. One or more SMP18s can be used with single or multiple DACs to provide multiple set points within a system.

The SMP18 offers significant cost and size reduction over discrete designs. It is available in a 16-pin plastic DIP, a narrow body SO-16 surface-mount SOIC package or the thin TSSOP-16 package. The SMP18 is a higher speed direct replacement for the SMP08.

Functional Block Diagram for SMP18

Evaluation Kits & Symbols & Footprints

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

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Price, packaging, availability

SMP18 Model Options
Model Package Pins Temp.
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
SMP18FPZ Status: Production 16 ld PDIP 16 Tube, 25 $9.40 $9.40 Y  Material Info PCN Purchase
SMP18FQ Status: Last Time Buy 16 ld CerDIP 16 Tube, 25 $13.13 $13.13 N  Material Info PDN Purchase
SMP18FRUZ-REEL7 Status: Production 16 ld TSSOP 16 Reel, 1000 - - Y  Material Info PCN Purchase
SMP18FSZ Status: Production 16 ld SOIC 16 Tube, 48 $8.95 $8.95 Y  Material Info PCN Purchase
SMP18FSZ-REEL Status: Production 16 ld SOIC 16 Reel, 2500 - $8.95 Y  Material Info PCN Purchase
SMP18GBC Status: Last Time Buy CHIPS OR DIE 0 Tray, 1 $8.52 $8.52 Y  Material Info PDN Purchase
Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

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