AD7841ASZ

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AD7841ASZ

IC DAC 14BIT V-OUT 44MQFP

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規格

Supplier Analog Devices Inc.
Package Tray
ProductStatus Active
NumberofBits 14
NumberofD/AConverters 8
SettlingTime 31µs (Typ)
OutputType Voltage - Buffered
DifferentialOutput No
DataInterface Parallel
ReferenceType External
Voltage-SupplyAnalog ±13.5V ~ 16.5V
Voltage-SupplyDigital 5V
INL/DNL(LSB) ±4 (Max), -0.9/+2 (Max)
Architecture R-2R
OperatingTemperature -40°C ~ 85°C
Package/Case 44-QFP
SupplierDevicePackage 44-MQFP (10x10)

概述

Description

AD7841ASZ is an Analog Devices 12‑bit analog‑to‑digital converter (ADC). It uses a successive‑approximation (SAR) architecture and provides a serial, SPI‑style interface. The ASZ suffix denotes the RoHS‑compliant 8‑lead SOIC package. It accepts a single‑ended input (with full scale set by the reference voltage) and outputs a 12‑bit digital word. It’s intended for precision data acquisition, instrumentation, and control applications that need moderate‑speed, 12‑bit conversion. For exact specs—input range, timing, power, and reference options—consult the AD7841 datasheet and packaging documentation.

Features

AD7841ASZ features (concise):
- 12-bit analog-to-digital converter
- Multiplexed analog input with on-chip track-and-hold
- Single-supply operation (≈5V)
- External reference input to set full-scale range
- Serial interface compatible with SPI (DIN, DOUT, SCLK, CS)
- Low-power operation with standby modes
- Wide input common-mode range (0 to VREF range)
- Available in ASZ package (compact surface-mount)
Note: exact I/O timing, throughput, and voltage ranges depend on the specific revision and reference configuration; consult the datasheet for precise numbers.

Package

AD7841ASZ is in an 8‑pin plastic Small Outline package (SOIC), i.e., an 8‑lead surface-mount package.

Pinout

Pin count: 28 pins (package variant ASZ).
Function: 12‑bit multiplexed analog-to-digital converter with an SPI‑style serial interface. It provides an 8‑channel input (multiplexer), external reference, clock, start/convert control, and data output via a serial data line, plus the usual power, ground, and reference pins.

Manufacturer

Manufacturer: Analog Devices, Inc. (Analog Devices).
Company type: American multinational semiconductor company specializing in analog, mixed-signal, and digital signal processing (DSP) integrated circuits, including data converters, amplifiers, and sensors. HQ: Norwood, Massachusetts.

Application

- Data acquisition systems
- Instrumentation and test equipment
- Industrial process control and automation
- Automotive sensing and diagnostics
- Telemetry and remote sensing
- Medical instrumentation
- Power monitoring and energy management
- Data logging and digital multimeters

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