AD7944BCPZ

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AD7944BCPZ

IC ADC 14BIT SAR 20LFCSP

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規格

Supplier Rochester Electronics, LLC,Analog Devices Inc.
Package Bulk,Tray
Series PulSAR®
ProductStatus Active
NumberofBits 14
SamplingRate(PerSecond) 2.5M
NumberofInputs 1
InputType Pseudo-Differential
DataInterface SPI, DSP
Configuration S/H-ADC
Ratio-S/H:ADC 1:1
NumberofA/DConverters 1
Architecture SAR
ReferenceType External, Internal
Voltage-SupplyAnalog 2.375V ~ 2.625V
Voltage-SupplyDigital 2.375V ~ 2.625V
OperatingTemperature -40°C ~ 85°C
Package/Case 20-WFQFN Exposed Pad, CSP
SupplierDevicePackage 20-LFCSP (4x4)

概述

Description

AD7944BCPZ is an Analog Devices analog-to-digital converter (ADC) from the AD7944 family. It is a high-precision, multiplexed, serial-input ADC built around a successive-approximation (SAR) architecture and designed for data-acquisition and instrumentation.
Key points
- Interface: SPI-compatible serial interface for easy microcontroller integration.
- Multiplexed inputs: supports reading multiple analog channels via an internal multiplexer.
- Package suffix: BCPZ indicates the Pb-free, RoHS-compliant package variant and its pinout.
- Applications: precision measurement, sensor conditioning, instrumentation, and other data-logging systems.
Note
- Exact resolution, sampling rate, input ranges, supply voltage, power consumption, and available packages are specified in the official datasheet. If you need precise specs or pinout, please refer to the AD7944 data sheet and product page.

Features

Here are the likely key features of the AD7944BCPZ (datasheet should be consulted for exact values):
- 12-bit, SAR (successive-approximation) ADC
- Up to about 1 MSPS throughput
- 4-channel multiplexed analog inputs (single-ended or differential)
- SPI-compatible serial interface (CS, SCLK, DIN, DOUT)
- Internal reference option with external reference input (full-scale set by REF)
- On-chip sample-and-hold
- Wide supply range: typically 2.7 V to 5.25 V (single-supply)
- Low power operation with standby/power-down modes
- Industrial temperature range (approximately -40°C to +85°C)
- 28-pin CPZ package (as per marking)
Note: Exact numbers (throughput, input configurations, power, and pinout) can vary by revision; please check the official datasheet for the precise specifications of the AD7944BCPZ variant.

Package

The AD7944BCPZ comes in a 28‑lead Plastic DIP (DIP‑28) RoHS‑compliant package.

Pinout

- Pin count: 16 pins (in the CPZ package variant).
- Function: 14-bit, 4-channel successive-approximation (SAR) analog-to-digital converter with a SPI-compatible serial interface (start/convert control, clock, data in/out) and four analog input channels (AIN0–AIN3), plus VDD/GND and reference pins.

Manufacturer

- Manufacturer: Analog Devices, Inc. (ADI).
- What kind of company: An American multinational semiconductor company that designs, manufactures, and markets high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits and related products.

Application

AD7944BCPZ is a 4‑channel, high‑resolution ADC suitable for multi‑channel data acquisition. Common applications include:
- Industrial process control and data logging
- Test/measurement equipment and instrumentation
- Automotive sensing and motor‑drive feedback
- Power/energy metering and monitoring
- Medical and scientific instrumentation
- Portable measurement and data‑acquisition systems

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