DS1808Z-050+

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DS1808Z-050+

IC DGTL POT 45KOHM 32TAP 16SO

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Specifications

Part Status Obsolete
DigiKey Programmable Not Verified
Taper Logarithmic
Configuration Potentiometer
Number of Circuits 2
Number of Taps 32
Resistance (Ohms) 45k
Interface I2C
Memory Type Volatile
Voltage - Supply 4.5V ~ 13.2V, 5V
Features Mute, Selectable Address
Tolerance ±20%
Temperature Coefficient (Typ) 750ppm/°C
Mounting Type Surface Mount
Supplier Device Package 16-SOIC
Package / Case 16-SOIC (0.154", 3.90mm Width)
Operating Temperature -40°C ~ 85°C
Resistance - Wiper (Ohms) (Typ) 300
Base Product Number DS1808

Overview

Description

The DS1808Z-050+ is a part of Maxim Integrated’s portfolio of digital potentiometers. It is designed to electronically adjust resistance in a circuit without mechanical potentiometers. The "DS1808" denotes its series, while "050" specifies the resistance value of 50 kilo-ohms. The "+", often seen in Maxim component labeling, indicates a RoHS-compliant part, meaning it adheres to the Restriction of Hazardous Substances directive.
This digital potentiometer features a non-volatile memory, allowing it to retain its resistance setting even after power loss. The device operates over a wide voltage range and communicates via a simple digital interface, typically a 2-wire or 3-wire serial interface, making it easy to integrate into microcontroller-based systems. It is housed in a compact form, suitable for space-constrained applications.
Key applications for the DS1808Z-050+ include volume control in audio devices, power supply regulation, and adjustable gain control in signal processing circuits. It provides precise control of resistance, which can enhance the performance and flexibility of electronic designs.

Features

The DS1808Z-050+ is a digital potentiometer that features a non-volatile memory for storing wiper settings, which ensures the device retains its state even after power loss. It typically offers 50kΩ resistance with a 3-wire interface, making it suitable for various applications such as trimming and calibration in electronic circuits. The device supports increment/decrement control, allowing precise resistance adjustments.
Key features include low power consumption, high reliability, and the ability to withstand numerous write cycles due to its robust architecture. The DS1808Z-050+ operates over a wide temperature range, making it suitable for industrial and consumer applications. Its compact size and surface-mount packaging make it easy to integrate into space-constrained designs. The device is commonly used in audio equipment, instrumentation, and adjustable power supplies, where precise and reliable resistance tuning is required.

Package

The DS1808Z-050+ is typically available in a small-outline integrated circuit (SOIC) package. This type of package is designed for surface-mount technology (SMT) applications, making it suitable for compact and efficient electronic designs.

Pinout

The DS1808Z-050+ is a digital resistor (also known as a digital potentiometer) with an 8-pin configuration. It is part of the DS1808 series, which provides programmable resistance for applications requiring variable resistance, trimming, and tuning.
Pin Count: 8
Key Pin Functions:
1. VCC (Pin 8): Power supply pin.
2. GND (Pin 4): Ground reference for all signals.
3. L0 and L1 (Pins 1 and 2): Low terminal of the digital resistor.
4. W0 and W1 (Pins 5 and 6): Wiper terminal of the digital resistor, which moves between the high and low terminals.
5. H0 and H1 (Pins 3 and 7): High terminal of the digital resistor.
6. R/W (Pin 6): Read/Write operations control.
The DS1808Z-050+ is typically used for applications where electronic adjustment of resistance is needed, providing fine-tuning capabilities in circuits without requiring mechanical potentiometers.

Manufacturer

The DS1808Z-050+ is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational semiconductor company specializing in data conversion, signal processing, and power management technology. They design and manufacture a wide array of integrated circuits (ICs) used in analog and digital signal processing applications. Their products are widely used across industries such as communications, healthcare, automotive, industrial, and consumer electronics.

Application

The DS1808Z-050+ is a dual nonvolatile digital potentiometer commonly used in applications requiring precise resistance adjustments. Key application areas include automatic gain control, offset trimming, volume control in audio equipment, replacing mechanical potentiometers, calibration adjustments in instrumentation, and fine-tuning in communication equipment. Its nonvolatile memory feature allows it to retain settings even after power loss, making it ideal for applications where persistent configurations are crucial.

Equivalent

The DS1808Z-050+ is a digital potentiometer IC. Equivalent products could include similar digital potentiometers from manufacturers like Analog Devices, Microchip Technology, or Texas Instruments. Possible equivalents might be Microchip's MCP41xxx/42xxx series, Analog Devices' AD52xx series, or Texas Instruments' TPL0102 series, provided they match in terms of resistance, number of channels, interface, and package type. Always verify specifications to ensure compatibility.

Shipping

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