MCP4812-E/MS

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MCP4812-E/MS

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IC DAC 10BIT V-OUT 8MSOP

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Spezifikationen

Attribut Wert
Supplier Microchip Technology
Package / Case Tube
Part Status Active
Number of Bits 10
Number of D/A Converters 2
Settling Time 4.5µs (Typ)
Output Type Voltage - Buffered
Differential Output No
Data Interface SPI
Reference Type Internal
Voltage - Supply, Analog 2.7V ~ 5.5V
Voltage - Supply, Digital 2.7V ~ 5.5V
INL / DNL(LSB) ±1, ±0.2
Architecture String DAC
Operating Temperature -40°C ~ 125°C
Supplier Device Package 8-MSOP

Übersicht

Description

MCP4812-E/MS is Microchip’s dual 8‑bit DAC with an I2C-compatible interface. It provides two buffered voltage outputs (VoutA and VoutB) that are set by 8‑bit digital codes. Full‑scale is set by an external reference (Vref) and the device operates from about 2.7–5.5 V.
Key points:
- Interface: I2C (two‑wire) with address select (A0–A2) for multiple devices on a bus.
- Resolution: 8 bits per channel; separate or simultaneous updates possible.
- Outputs: Two independently programmable, buffered voltage outputs.
- Packaging: MSOP‑8 package; -E indicates extended/industrial temperature grade; -MS denotes MSOP.
- Applications: precision voltage generation for instrumentation, calibration, test benches, and control loops.
Note: See the MCP4812 datasheet for exact timing, command map, and electrical specs.

Equivalent

MCP4812-E/MS is a dual 8‑bit, SPI DAC. Equivalents include:
- Microchip MCP4902 (dual 8‑bit SPI DAC)
- Analog Devices AD7302 (dual 8‑bit SPI DAC)
Ensure matching supply (typically 2.7–5.5V), reference voltage, output range, and pinout before substitution.

Pinout

- Pin count: 8 pins (MSOP package)
- Function: Dual 8‑bit digital-to-analog converter (DAC) with an I2C‑compatible serial interface, providing two analog outputs (VoutA and VoutB) controlled via I2C.

Manufacturer

- Manufacturer: Microchip Technology Inc.
- What kind of company: A global semiconductor company that designs, develops, and manufactures microcontrollers, analog ICs, and memory products for embedded control and other electronics applications.

Application

MCP4812-E/MS is a dual 8‑bit, I2C‑controlled DAC. Typical application areas:
- Industrial automation: dual analog setpoints for valves, actuators, or motor controllers.
- Instrumentation and test equipment: programmable voltage references, calibration sources, dual signal generation.
- Data acquisition and lab benches: sensor simulation, offset/gain adjustments, simple analog sources.
- Embedded/education and prototyping: microcontroller projects needing two DAC outputs via I2C.
In short: compact, dual-channel voltage outputs for precise, programmable analog signals in control, test, and research applications.

Package

8-pin MSOP package (MS suffix).

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