AD7671ASTZ

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AD7671ASTZ

+Nomenclature

IC ADC 16BIT SAR 48LQFP

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Spécifications

Attribut Valeur
Package Bulk,Tray
Series PulSAR®
ProductStatus Active
NumberofBits 16
SamplingRate(PerSecond) 1M
NumberofInputs 1
InputType Differential
DataInterface SPI, Parallel, DSP
Configuration S/H-ADC
Ratio-S/H:ADC 1:1
NumberofA/DConverters 1
Architecture SAR
ReferenceType External
Voltage-SupplyAnalog 5V
Voltage-SupplyDigital 5V
Features True Bipolar
OperatingTemperature -40°C ~ 85°C
Package/Case 48-LQFP
SupplierDevicePackage 48-LQFP (7x7)

Présentation

Description

The AD7671ASTZ is a high-performance, 16-bit, successive approximation register (SAR) analog-to-digital converter (ADC) from Analog Devices. It features:
- 16-bit resolution with no missing codes.
- Fast conversion speed: Up to 1 MSPS (mega samples per second).
- Low power consumption: Typically 100 mW at 1 MSPS.
- Wide input range: Supports ±10 V, ±5 V, and 0 to +10 V via software-selectable ranges.
- Serial (SPI-compatible) and parallel interfaces for flexible system integration.
- On-chip reference and buffer for simplified design.
Ideal for industrial control, medical imaging, and data acquisition systems, the AD7671ASTZ combines high accuracy, speed, and ease of use in a 52-lead LQFP package.

Equivalent

Equivalent products to the AD7671ASTZ (16-bit, 1MSPS SAR ADC) include:
- AD7674 (16-bit, 1MSPS, lower power)
- AD7980 (16-bit, 1MSPS, smaller package)
- LTC1867 (16-bit, 1MSPS, from Analog Devices' Linear Tech)
- ADS8860 (16-bit, 1MSPS, from Texas Instruments)
These offer similar resolution and speed but may differ in power, package, or interface. Check datasheets for exact compatibility.

Features

The AD7671ASTZ is a high-performance, 16-bit SAR ADC with the following key features:
- Resolution: 16-bit
- Sampling Rate: 1 MSPS (Million Samples Per Second)
- Input Voltage Range: ±10 V (bipolar), 0–10 V (unipolar)
- Low Power: 100 mW (typical)
- Interface: Parallel (18-bit CMOS-compatible)
- DNL: ±0.5 LSB (max)
- INL: ±1.5 LSB (max)
- On-Chip Features: Track-and-hold, reference buffer
- Supply Voltage: +5 V (analog), +3 V/+5 V (digital)
- Operating Temp: -40°C to +85°C
- Package: 48-lead LQFP
Ideal for precision applications like industrial control, medical imaging, and data acquisition.

Pinout

The AD7671ASTZ is a 16-bit, 1 MSPS successive approximation register (SAR) ADC.
- Pin Count: 48 (LQFP package)
- Key Functions:
- Analog Input: Single-ended, 0V to 2.5V range (VREF = 2.5V).
- Digital Interface: Parallel (16-bit) or serial (SPI-compatible).
- Reference: Internal 2.5V reference (with external override option).
- Control Pins: CONVST (start conversion), BUSY (conversion status), RD/SCLK (read/serial clock).
- Power Supply: +5V (analog), +2.7V to +5.25V (digital).
Designed for high-speed, precision applications like data acquisition and medical imaging.

Application

The AD7671ASTZ is a high-speed, 16-bit SAR ADC used in applications requiring precision and fast data conversion. Key areas include:
- Industrial Automation: Process control, PLCs, and data acquisition systems.
- Medical Equipment: Patient monitoring, imaging, and diagnostic devices.
- Test & Measurement: High-accuracy oscilloscopes and spectrum analyzers.
- Communications: Base stations and signal processing.
- Defense/Aerospace: Radar, avionics, and instrumentation.
Its low power, high resolution, and 1 MSPS speed make it ideal for demanding real-time systems.

Package

The AD7671ASTZ comes in a 48-lead LQFP (Low-Profile Quad Flat Package). This surface-mount package has a compact form factor with a lead pitch of 0.5 mm, suitable for high-performance ADC applications. The "STZ" suffix indicates it is RoHS-compliant.

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