AD7874ANZ

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AD7874ANZ

IC DAS 12BIT 116K 28DIP

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規格

Supplier Rochester Electronics, LLC,Analog Devices Inc.
Package Bulk,Tube
ProductStatus Active
Type Data Acquisition System (DAS)
NumberofChannels 4
Resolution(Bits) 12 b
SamplingRate(PerSecond) 116k
DataInterface Parallel
VoltageSupplySource Dual ±
Voltage-Supply ±5V
OperatingTemperature -40°C ~ 85°C
MountingType Through Hole
Package/Case 28-DIP (0.600, 15.24mm)

概述

Description

AD7874ANZ is Analog Devices’ 12-bit, multiplexed, successive-approximation ADC with a serial (SPI-like) interface. It supports multiple analog inputs (scanning through channels via a multiplexer), includes a sample-and-hold stage, and offers options for external or internal reference. The device is designed for data acquisition, instrumentation, and control applications, with features like a low-power mode and a RoHS-compliant package (ANZ variant). For exact specs (number of channels, sampling rate, input ranges, reference options, and package details), consult the AD7874ANZ datasheet.

Features

Here are concise key features of the AD7874ANZ (datasheet summary):
- 12-bit resolution with multiplexed inputs and internal sample/hold
- SPI-compatible serial interface
- Optional internal reference and external reference input
- Wide supply range (typical 2.7–5.25 V) with low power modes (standby/power-down)
- Designed for industrial temp range (-40°C to +85°C)
- Analog input ranges defined by VREF (rail-to-rail input on the specified range)
- Package variant: ANZ (lead-free, 16-pin style family package)
Note: For exact channel count, throughput (ksps), INL/DNL specs, and precise pinout, refer to the official datasheet.

Package

Package type: 28-pin plastic DIP (DIP-28), Pb-free RoHS variant (ANZ).

Pinout

- Pin count: 28 pins
- Function: 12‑bit SAR analog-to-digital converter with a serial (SPI‑like) interface. It accepts differential analog input (AIN+ / AIN−), uses a reference (VREF), has separate analog/digital power and grounds (AVDD/DVDD, AGND/DGND), and provides digital control/data pins such as CS, SCLK, DIN, DOUT, plus convert-start (CNV/ST or CNVST) and data‑ready/interrupt signals (RDY).

Manufacturer

- Manufacturer: Analog Devices, Inc. (ADI).
- What kind of company: An American multinational semiconductor company that designs and manufactures high-performance analog, mixed-signal, and digital-signal-processing integrated circuits for various markets (industrial, communications, automotive, consumer, etc.). Headquarters in Norwood, Massachusetts.

Application

Applications of AD7874ANZ include:
- Industrial automation and process control (data acquisition, sensor monitoring)
- Instrumentation and test equipment
- Automotive sensors (engine management, chassis control)
- Medical devices and patient monitoring
- Energy meters and smart-grid sensing
- Telecommunication and remote sensing
- Portable and laboratory instrumentation

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