AD7715ARZ-3

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AD7715ARZ-3

IC ADC 16BIT SIGMA-DELTA 16SOIC

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規格

Supplier Rochester Electronics, LLC,Analog Devices Inc.
Package Bulk,Tube
ProductStatus Active
NumberofBits 16
SamplingRate(PerSecond) 500
NumberofInputs 1
InputType Differential
DataInterface SPI, DSP
Configuration PGA-ADC
NumberofA/DConverters 1
Architecture Sigma-Delta
ReferenceType External
Voltage-SupplyAnalog 3V ~ 3.6V
Voltage-SupplyDigital 3V ~ 5.25V
Features PGA
OperatingTemperature -40°C ~ 85°C
Package/Case 16-SOIC (0.295, 7.50mm Width)
SupplierDevicePackage 16-SOIC

概述

Description

AD7715ARZ-3 is Analog Devices’ high-resolution delta-sigma ADC. It’s designed for precision sensor interfaces (e.g., bridge sensors, weigh scales, RTDs) and offers:
- 24-bit resolution with low noise/delta-sigma architecture
- Differential inputs with programmable gain
- Serial interface (SPI-compatible) for easy microcontroller integration
- Suitable for instrumentation and precision measurement applications
- ARZ-3 indicates a specific packaging/grade variant
For exact electrical specs (supply, throughput, input ranges, pins) and pinout, refer to the AD7715 datasheet and the packaging summary for ARZ-3.

Features

Here are the key features of the AD7715ARZ-3 (typical for the AD7715 family; refer to the datasheet for exact values):
- 16-bit delta-sigma ADC with high-precision conversion
- SPI-compatible serial interface (CLK, DIN, DOUT, CS)
- Differential/multiplexed input channels (programmable input ranges)
- Internal reference with buffer (often around 2.5 V) and clocking
- On-chip programmable data rate and digital filter (e.g., Sinc-type)
- Bipolar and unipolar input operation
- On-chip input buffer and low-noise performance
- Single-supply operation (typical 3–5.5 V range)
- Low power consumption
- Temperature range suitable for industrial use (e.g., -40°C to +85°C)
- RoHS-compliant package (ARZ, 16-pin/leadframe options)
Note: Exact specifications (conversion rate, input options, and voltage ranges) may vary by revision and package; please consult the official datasheet for precise values.

Package

The AD7715ARZ-3 comes in a 16‑lead MSOP (Plastic Thin MSOP), RoHS‑compliant package.

Pinout

- Pin count: 28 pins (ARZ package).
- Function: 16‑bit, low‑power sigma–delta ADC with an SPI‑like serial interface. Provides differential analog inputs (AIN+, AIN−), reference input, clock input, and a set of serial/control signals (SDI, SDO, SCLK, CS/LD, SYNC/START as applicable), plus power (AVDD/DVDD) and ground pins (AGND/DGND).

Manufacturer

Analog Devices, Inc. (ADI) manufactures the AD7715ARZ-3. Analog Devices is a global semiconductor company that designs and produces high-performance analog, mixed-signal, and DSP integrated circuits for industries such as communications, automotive, industrial, and consumer electronics.

Application

AD7715ARZ-3 is a low-power, high-precision Delta-Sigma ADC suitable for bridge sensors. Common applications:
- Weigh scales and load cells
- Pressure/strain-gage sensing
- Industrial instrumentation and process control
- Data acquisition systems needing high resolution with low power
- Portable/battery-powered measurement equipment
- Medical instrumentation requiring low-noise measurements

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