AD5242BRZ1M
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Analog Devices Inc. AD5242BRZ1M

Manufacturer No:
AD5242BRZ1M
Manufacturer:
Analog Devices Inc.
Package:
Bulk
Description:
IC DGTL POT 1MOHM 256TAP 16SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD5242BRZ1M, manufactured by Analog Devices Inc., is a dual-channel, 256-position, digitally controlled variable resistor (VR) device. This component functions as a digital potentiometer, trimmer, or variable resistor, offering a programmable resistance between the A terminal and the wiper, or the B terminal and the wiper. It is designed to operate over an extended temperature range of −40°C to +105°C, making it versatile for various applications.

Key Specifications

Parameter Symbol Conditions Min Typ Max Unit
Resolution N 8 Bits
Resistor Differential Nonlinearity R-DNL RWB, VA = no connect −1 ±0.4 +1 LSB
Resistor Integral Nonlinearity R-INL RWB, VA = no connect −2 ±0.5 +2 LSB
Nominal Resistor Tolerance ΔRAB/RAB TA = 25°C, RAB = 10 kΩ −30 +30 %
TA = 25°C, RAB = 100 kΩ/1 MΩ −30 +50 %
Resistance Temperature Coefficient (ΔRAB/RAB)/ΔT × 10^6 VAB = VDD, wiper = no connect 30 ppm/°C
Power Supply Range (Single-Supply) VDD VSS = 0 V 2.7 5.5 V
Power Supply Range (Dual-Supply) VDD/VSS ±2.3 ±2.7 V
Positive Supply Current IDD VIH = 5 V or VIL = GND 0.1 50 µA
Negative Supply Current ISS VSS = −2.5 V, VDD = +2.5 V +0.1 −50 µA

Key Features

  • 256-position digitally controlled variable resistor
  • Available in 10 kΩ, 100 kΩ, and 1 MΩ versions
  • Low temperature coefficient: 30 ppm/°C
  • Internal power on midscale preset
  • Single-supply 2.7 V to 5.5 V or dual-supply ±2.7 V for ac or bipolar operation
  • I2C-compatible interface with readback capability
  • Extra programmable logic outputs
  • Self-contained shutdown feature
  • Extended temperature range: −40°C to +105°C

Applications

  • Multimedia, video, and audio
  • Communications
  • Mechanical potentiometer replacement
  • Instrumentation: gain, offset adjustment
  • Programmable voltage-to-current conversion
  • Line impedance matching

Q & A

  1. What is the AD5242BRZ1M used for?

    The AD5242BRZ1M is used as a digital potentiometer, trimmer, or variable resistor in various applications such as multimedia, communications, instrumentation, and more.

  2. What are the available resistance values for the AD5242BRZ1M?

    The AD5242BRZ1M is available in 10 kΩ, 100 kΩ, and 1 MΩ versions.

  3. What is the temperature coefficient of the AD5242BRZ1M?

    The nominal temperature coefficient of the AD5242BRZ1M is 30 ppm/°C.

  4. What is the power supply range for the AD5242BRZ1M?

    The AD5242BRZ1M can operate on a single-supply from 2.7 V to 5.5 V or a dual-supply from ±2.3 V to ±2.7 V.

  5. Does the AD5242BRZ1M have programmable logic outputs?

    Yes, the AD5242BRZ1M has two extra programmable logic outputs available.

  6. What is the communication interface used by the AD5242BRZ1M?

    The AD5242BRZ1M uses an I2C-compatible, 2-wire serial data interface.

  7. What is the default wiper position at system power on?

    The wiper position defaults to midscale at system power on.

  8. What are the package options for the AD5242BRZ1M?

    The AD5242BRZ1M is available in 14-lead SOIC, 16-lead SOIC, 14-lead TSSOP, and 16-lead TSSOP packages.

  9. What is the operating temperature range of the AD5242BRZ1M?

    The AD5242BRZ1M operates over an extended temperature range of −40°C to +105°C.

  10. Can multiple AD5242BRZ1M devices be used on the same bus?

    Yes, up to four devices can be used on the same bus using the programmable address bits AD0 and AD1.

Product Attributes

Taper:Linear
Configuration:Potentiometer
Number of Circuits:2
Number of Taps:256
Resistance (Ohms):1M
Interface:I²C
Memory Type:Volatile
Voltage - Supply:2.7V ~ 5.5V, ±2.3V ~ 2.7V
Features:Selectable Address
Tolerance:-30%, +50%
Temperature Coefficient (Typ):30ppm/°C
Mounting Type:Surface Mount
Supplier Device Package:16-SOIC
Package / Case:16-SOIC (0.154", 3.90mm Width)
Operating Temperature:-40°C ~ 105°C
Resistance - Wiper (Ohms) (Typ):60
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Similar Products

Part Number AD5242BRZ1M AD5222BRZ1M AD5241BRZ1M AD5242BR1M AD5242BRU1M AD5242BRUZ1M AD5242BRZ10
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Obsolete Active Obsolete Obsolete Active Active
Taper Linear Linear Linear Linear Linear Linear Linear
Configuration Potentiometer Potentiometer Potentiometer Potentiometer Potentiometer Potentiometer Potentiometer
Number of Circuits 2 2 1 2 2 2 2
Number of Taps 256 128 256 256 256 256 256
Resistance (Ohms) 1M 1M 1M 1M 1M 1M 10k
Interface I²C Up/Down (U/D, CS) I²C I²C I²C I²C I²C
Memory Type Volatile Volatile Volatile Volatile Volatile Volatile Volatile
Voltage - Supply 2.7V ~ 5.5V, ±2.3V ~ 2.7V 2.7V ~ 5.5V, ±2.3V ~ 2.7V 2.7V ~ 5.5V, ±2.3V ~ 2.7V 2.7V ~ 5.5V, ±2.3V ~ 2.7V 2.7V ~ 5.5V, ±2.3V ~ 2.7V 2.7V ~ 5.5V, ±2.3V ~ 2.7V 2.7V ~ 5.5V, ±2.3V ~ 2.7V
Features Selectable Address - Selectable Address Selectable Address Selectable Address Selectable Address Selectable Address
Tolerance -30%, +50% ±30% -30%, +50% -30%, +50% -30%, +50% -30%, +50% ±30%
Temperature Coefficient (Typ) 30ppm/°C -35ppm/°C 30ppm/°C 30ppm/°C 30ppm/°C 30ppm/°C 30ppm/°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Supplier Device Package 16-SOIC 14-SOIC 14-SOIC 16-SOIC 16-TSSOP 16-TSSOP 16-SOIC
Package / Case 16-SOIC (0.154", 3.90mm Width) 14-SOIC (0.154", 3.90mm Width) 14-SOIC (0.154", 3.90mm Width) 16-SOIC (0.154", 3.90mm Width) 16-TSSOP (0.173", 4.40mm Width) 16-TSSOP (0.173", 4.40mm Width) 16-SOIC (0.154", 3.90mm Width)
Operating Temperature -40°C ~ 105°C -40°C ~ 85°C -40°C ~ 105°C -40°C ~ 105°C -40°C ~ 105°C -40°C ~ 105°C -40°C ~ 105°C
Resistance - Wiper (Ohms) (Typ) 60 45 60 60 60 60 60

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