DS1843D+TRL

$3.85

Description：IC SAMPL/HOLD 1 CIRCUIT 8UDFN
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:39471417a21e Category: Instrumentation, Op Amps, Buffer Amps Brand: Analog Devices Inc./Maxim Integrated

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Product introduction

Product Detailed Parameters

Description：IC SAMPL/HOLD 1 CIRCUIT 8UDFN
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tape & Reel (TR),Cut Tape (CT)
Amplifier Type：Sample and Hold
Number of Circuits：1
Output Type：-
Slew Rate：-
Gain Bandwidth Product：-
Current - Input Bias：-
Voltage - Input Offset：3.6 mV
Current - Supply：9mA
Current - Output / Channel：-
Voltage - Supply Span (Min)：-
Voltage - Supply Span (Max)：-
Operating Temperature：-40°C ~ 85°C
Grade：-
Qualification：-
Mounting Type：Surface Mount
Package / Case：8-WFDFN
Supplier Device Package：8-µDFN (2x2)
-3db Bandwidth：-

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DS1843D+TRL

Overview

The DS1843D+TRL is a fast sample-and-hold circuit manufactured by Analog Devices Inc./Maxim Integrated. It features a differential, high-speed switched capacitor input stage, offset nulling circuitry, and an output buffer. The device operates within a supply voltage range of +2.97V to +5.5V and draws a typical supply current of 5.7mA to 9mA. It supports a minimum sample time of 300ns and provides a hold time of up to 100µs. The component is housed in an 8-pin µDFN (2mm x 2mm) package and functions across a temperature range of -40°C to +85°C.

Feature Summary

Fast Sample Time
Low Input Offset
Buffered Output
Small, 8-Pin µDFN (2mm x 2mm) Pb-Free Package

Applications

Gigabit Passive Optical Network (GPON) OLT
Gigabit Ethernet Passive Optical Network (GEPON) OLT
GPON Optical Network Unit

Procurement Notes

Verify the specific ordering suffix TRL indicates tape and reel packaging when sourcing components. Confirm that the part number includes the plus sign (+) to ensure compliance with lead-free and RoHS standards as specified in official documentation. Cross-reference the manufacturer's datasheet for the most current availability status and environmental certifications before finalizing procurement plans.

Selection Notes

Select this component for applications requiring rapid signal capture in constrained board spaces. Ensure the design accommodates its differential input configuration and utilizes appropriate decoupling capacitors on the VCC pin. Verify that the external ADC sampling speed aligns with the device's output step recovery time to maintain measurement accuracy during burst-mode operations.

Part Context

This component belongs to the DS1843 series of fast sample-and-hold circuits designed primarily for optical line transmission systems. It integrates a fully differential sampling capacitor, switches, and a differential output buffer into a compact surface-mount package. The device is optimized for burst-mode RSSI measurements when used in conjunction with an external sense resistor.