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AD7949BCPZRL7

Name: AD7949BCPZRL7
Rating: 4.7 (12 reviews)

IC ADC 14BIT SAR 20LFCSP

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製造商。部分 #AD7949BCPZRL7
包 WFQFN-20
資料表 AD7949BCPZRL7 DataSheet
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規格

Package	Tape & Reel (TR),Cut Tape (CT),Bulk
Series	PulSAR®
ProductStatus	Active
NumberofBits	14
SamplingRate(PerSecond)	250k
NumberofInputs	8
InputType	Differential, Pseudo-Differential, Single Ended
DataInterface	SPI, DSP
Configuration	MUX-S/H-ADC
Ratio-S/H:ADC	1:1
NumberofA/DConverters	1
Architecture	SAR
ReferenceType	External, Internal
Voltage-SupplyAnalog	2.3V ~ 5.5V
Voltage-SupplyDigital	2.3V ~ 5.5V
Features	Temperature Sensor
OperatingTemperature	-40°C ~ 85°C
Package/Case	20-WFQFN Exposed Pad, CSP
SupplierDevicePackage	20-LFCSP (4x4)

概述

Description

The AD7949BCPZRL7 is a high-performance, 16-bit successive approximation register (SAR) analog-to-digital converter (ADC) designed for precise data acquisition applications. It features a sampling rate of up to 1 MSPS and operates on a single supply voltage, typically ranging from 2.7V to 5.25V. The device includes differential inputs, allowing for improved noise immunity and accuracy in measuring signals.
Key features of the AD7949BCPZRL7 include an internal reference, low power consumption, and a wide input voltage range, making it suitable for battery-operated devices. It communicates via a Serial Peripheral Interface (SPI), facilitating easy integration with microcontrollers and digital signal processors. The ADC is often used in applications such as industrial automation, medical devices, and data acquisition systems where high precision and speed are critical. The package type is a 32-lead LFCSP (Lead Frame Chip Scale Package), providing a compact footprint for space-constrained designs.

Features

The AD7949BCPZRL7 is a high-performance, 16-bit, successive approximation analog-to-digital converter (ADC) from Analog Devices. Key features include:
1. Resolution: 16-bit with a sampling rate of up to 1 MSPS.
2. Input Range: Supports a differential input range of ±VREF, which can be set to different voltage levels.
3. Low Power Consumption: Operates at low power, making it suitable for battery-powered applications.
4. Integrated Reference: Includes an onboard voltage reference for ease of use.
5. Flexible Interface: Offers a serial peripheral interface (SPI) for easy communication with microcontrollers.
6. Low Noise: Features low noise performance, enhancing measurement accuracy.
7. Temperature Range: Operates over a wide temperature range (-40°C to +125°C).
8. Pipelined Architecture: Provides fast conversion times with minimal latency.
These features make the AD7949BCPZRL7 ideal for applications in industrial automation, medical instrumentation, and data acquisition systems.

Package

The AD7949BCPZRL7 is packaged in a 32-lead LFCSP (Lead Frame Chip Scale Package) with a 5mm x 5mm footprint. This package type is designed for enhanced thermal performance and minimizes board space.

Pinout

The AD7949BCPZRL7 is a 16-bit, 1 MSPS (mega samples per second) analog-to-digital converter (ADC) from Analog Devices. It features a 28-lead LFCSP (Lead Frame Chip Scale Package) with a pin count of 28.
Key functions of its pins include:
1. Power Supply Pins: VDD (power supply), AGND (analog ground), and DGND (digital ground).
2. Reference Input: REF (reference voltage input).
3. Analog Inputs: VIN (analog signal input).
4. Digital Interface: SPI interface pins like SCLK (serial clock), SDI (serial data input), SDO (serial data output), and CS (chip select).
5. Conversion Control: CONVST (conversion start).
6. Status Indicators: Various pins for status and configuration.
This ADC is designed for precision applications, providing high performance in data acquisition and processing systems.

Manufacturer

The AD7949BCPZRL7 is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, the company specializes in designing and manufacturing a wide range of semiconductor products used in various applications, including communications, automotive, industrial automation, and consumer electronics. ADI is known for its innovation in data conversion, signal processing, and power management solutions. The AD7949BCPZRL7 is a 16-bit, dual-channel analog-to-digital converter (ADC) that provides high precision for various electronic applications.

Application

The AD7949BCPZRL7 is a 16-bit analog-to-digital converter (ADC) primarily used in applications such as industrial automation, data acquisition systems, medical instrumentation, and sensor interface applications. It is suitable for precision measurements in environments requiring high accuracy, low noise, and fast data conversion rates. Additionally, it can be utilized in consumer electronics, automotive systems, and communication devices for performance monitoring and control.

Equivalent

The AD7949BCPZRL7 is a 16-bit, 1 MSPS SAR ADC from Analog Devices. Equivalent products include:
1. MCP3201 - Microchip, 12-bit, 100 KSPS.
2. LTC1865 - Analog Devices, 16-bit, 1 MSPS.
3. ADS8320 - Texas Instruments, 16-bit, 1 MSPS.
4. MAX11614 - Maxim Integrated, 16-bit, 1 MSPS.
Ensure to consider specifications like resolution, sampling rate, and interface when selecting equivalents.