ADN2850BCPZ250-RL7
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Analog Devices Inc. ADN2850BCPZ250-RL7

Manufacturer No:
ADN2850BCPZ250-RL7
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC DGTL POT 250KOHM 16LFCSP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The ADN2850BCPZ250-RL7, produced by Analog Devices Inc., is a dual-channel, nonvolatile memory, digitally controlled resistor. This device offers a 1024-step resolution and is designed to replace mechanical rheostats with enhanced resolution, solid-state reliability, and superior low temperature coefficient performance. It operates with a single supply voltage of 2.7 V to 5 V or a dual supply voltage of ±2.5 V, making it versatile for various applications.

Key Specifications

ParameterValueComments
Nominal Resistance250 kΩ
Resolution1024 positions
Resistor Tolerance Error±8%Maximum
Temperature Coefficient35 ppm/°C
Supply Voltage2.7 V to 5 V (single supply), ±2.5 V (dual supply)
InterfaceSPI-compatible serial interface
Nonvolatile MemoryStores wiper settings, 26 bytes extra for user-defined information
Programming Cycles1 million cycles
Data Retention100 years typical
Package16-LFCSP-WQ (5x5)

Key Features

  • Dual-channel operation with 1024-step resolution
  • Low resistor tolerance error of ±8%
  • Low temperature coefficient of 35 ppm/°C
  • SPI-compatible serial interface for versatile programming
  • Nonvolatile memory to store wiper settings and user-defined information
  • Current monitoring configurable function
  • Power-on refresh with EEMEM settings and permanent memory write protection

Applications

  • SONET, SDH, ATM, Gigabit Ethernet
  • DWDM laser diode driver and optical supervisory systems
  • Mechanical rheostat replacement
  • Instrumentation gain adjustment
  • Programmable filters, delays, time constants
  • Sensor calibration

Q & A

  1. What is the nominal resistance of the ADN2850BCPZ250-RL7?
    The nominal resistance is 250 kΩ.
  2. What is the resolution of the ADN2850BCPZ250-RL7?
    The resolution is 1024 positions.
  3. What is the maximum resistor tolerance error of the ADN2850BCPZ250-RL7?
    The maximum resistor tolerance error is ±8%.
  4. What is the temperature coefficient of the ADN2850BCPZ250-RL7?
    The temperature coefficient is 35 ppm/°C.
  5. What are the supply voltage options for the ADN2850BCPZ250-RL7?
    The device can operate with a single supply voltage of 2.7 V to 5 V or a dual supply voltage of ±2.5 V.
  6. What type of interface does the ADN2850BCPZ250-RL7 use?
    The device uses an SPI-compatible serial interface.
  7. How many programming cycles can the ADN2850BCPZ250-RL7 handle?
    The device can handle 1 million programming cycles.
  8. What is the typical data retention period for the ADN2850BCPZ250-RL7?
    The typical data retention period is 100 years.
  9. In what package is the ADN2850BCPZ250-RL7 available?
    The device is available in a 16-LFCSP-WQ (5x5) package.
  10. What are some common applications of the ADN2850BCPZ250-RL7?
    Common applications include SONET, SDH, ATM, Gigabit Ethernet, DWDM laser diode drivers, optical supervisory systems, mechanical rheostat replacement, instrumentation gain adjustment, programmable filters, delays, time constants, and sensor calibration.

Product Attributes

Taper:Linear
Configuration:Rheostat
Number of Circuits:2
Number of Taps:1024
Resistance (Ohms):250k
Interface:SPI
Memory Type:Non-Volatile
Voltage - Supply:2.7V ~ 5.5V, ±2.25V ~ 2.75V
Features:Cascade Pin
Tolerance:±8%
Temperature Coefficient (Typ):35ppm/°C
Mounting Type:Surface Mount
Supplier Device Package:16-LFCSP-WQ (5x5)
Package / Case:16-WQFN Exposed Pad, CSP
Operating Temperature:-40°C ~ 85°C
Resistance - Wiper (Ohms) (Typ):50
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Same Series
ADN2850BCPZ250
ADN2850BCPZ250
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Similar Products

Part Number ADN2850BCPZ250-RL7 ADN2850BCPZ25-RL7
Manufacturer Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Active
Taper Linear Linear
Configuration Rheostat Rheostat
Number of Circuits 2 2
Number of Taps 1024 1024
Resistance (Ohms) 250k 25k
Interface SPI SPI
Memory Type Non-Volatile Non-Volatile
Voltage - Supply 2.7V ~ 5.5V, ±2.25V ~ 2.75V 2.7V ~ 5.5V, ±2.25V ~ 2.75V
Features Cascade Pin Cascade Pin
Tolerance ±8% ±8%
Temperature Coefficient (Typ) 35ppm/°C 35ppm/°C
Mounting Type Surface Mount Surface Mount
Supplier Device Package 16-LFCSP-WQ (5x5) 16-LFCSP-WQ (5x5)
Package / Case 16-WQFN Exposed Pad, CSP 16-WQFN Exposed Pad, CSP
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C
Resistance - Wiper (Ohms) (Typ) 50 50

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