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MAX5471EZT

Name: MAX5471EZT
Rating: 4.7 (12 reviews)

32-TAP, NVM LINEAR-TAPER DIGIPOT

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資料表 MAX5471EZT DataSheet
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規格

Supplier	Rochester Electronics, LLC
Package	Bulk
ProductStatus	Active

概述

Description

MAX5471EZT is a 12‑bit, SPI-compatible, voltage-output multiplying DAC (MDAC) from Maxim Integrated (now Analog Devices). It converts a 12‑bit digital word into an analog voltage proportional to an external reference, so Vout = (D/4095) × Vref.
Key points:
- Single-supply operation from about 2.7 V to 5.5 V
- External VREF sets full‑scale range
- Serial input interface (SPI‑like): CS, SCLK, DIN (and often a LDAC/UPDATE control, depending on variant)
- Buffered, low-drift output with fast settling
- Low power consumption
- Available in the EZT lead‑free package (8‑lead, narrow footprint)
Typical uses include programmable gain/offset in calibration, servo and control loops, waveform generation, and precision digital-to-analog control in instrumentation.

Features

MAX5471EZT features:
- 10-bit voltage-output DAC
- SPI-compatible serial interface (SCLK, SDI, CS; LDAC option for simultaneous update)
- Single-channel, unipolar output: 0 to VREF (rail-to-rail output)
- External reference input (REF) to set full scale
- Monotonic across the full code range
- 2.7V to 5.5V supply
- Low-power operation with optional power-down/shutdown
- Industrial temperature range (-40°C to +85°C)
- Fast settling with low glitch energy
- Pb-free, RoHS-compliant, EZT 8-pin package

Package

MAX5471EZT comes in an 8-pin SOIC (Small-Outline Integrated Circuit) surface-mount package.

Pinout

- Pin count: 8 pins (EZT package).
- Function: single-channel, voltage-output digital-to-analog converter (DAC) with a serial (SPI-compatible) interface for programming the DAC value.

Manufacturer

- Manufacturer: Maxim Integrated Products (now a wholly owned subsidiary of Analog Devices, Inc.)
- What kind of company: A semiconductor company that designs and manufactures analog and mixed-signal integrated circuits.

Application

Applications of MAX5471EZT:
- Programmable gain/attenuation in op-amp and instrumentation-amp circuits
- Sensor calibration and offset trimming
- Programmable feedback networks for precision analog circuits
- Programmable voltage division and reference scaling for ADC/DAC
- Audio volume control and attenuator in consumer electronics
- Signal conditioning in test, measurement, and calibration equipment

Equivalent

Direct one-to-one equivalents depend on exact interface and output type. The MAX5471EZT is a 12-bit SPI DAC. To give precise cross-references, specify: interface (SPI/I2C), output type (voltage/current), reference, supply range, and package. Common SPI 12‑bit DAC substitutions include Microchip MCP4921/MCP4922, TI DAC7571 (and related 2–4 channel devices), and Analog Devices AD5662/AD5664. Exact pinout and voltage ranges vary, so I can provide exact matches once you confirm your requirements.