ADS1252U

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ADS1252U

IC ADC 24BIT SIGMA-DELTA 8SOIC

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  • Mfr。パート #ADS1252U
  • パッケージ SOIC (D)-8
  • データシート
  • 在庫中5801

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仕様

Package Tube
ProductStatus Active
NumberofBits 24
SamplingRate(PerSecond) 40k
NumberofInputs 1
InputType Differential
DataInterface SPI
Configuration ADC
NumberofA/DConverters 1
Architecture Sigma-Delta
ReferenceType External
Voltage-SupplyAnalog 5V
Voltage-SupplyDigital 5V
OperatingTemperature -40°C ~ 85°C
Package/Case 8-SOIC (0.154, 3.90mm Width)
SupplierDevicePackage 8-SOIC

概要

Description

The ADS1252U is a high-performance, 24-bit analog-to-digital converter (ADC) designed for precision measurement applications. It features a maximum data rate of 30 kSPS (samples per second) and offers a differential input configuration, making it suitable for various sensor applications such as those in industrial automation, medical devices, and environmental monitoring.
Key features include a low-noise architecture, programmable gain amplifier (PGA), and integrated voltage reference, allowing for versatile input signal conditioning. The ADS1252U operates from a single 5V supply and provides a wide common-mode input range, enhancing its usability in real-world applications.
It supports SPI communication, enabling easy integration with microcontrollers and digital signal processors. With its low power consumption and high-resolution performance, the ADS1252U is ideal for battery-operated devices and systems requiring accurate data acquisition. Overall, it combines high precision and flexibility, making it a valuable component in modern electronic designs.

Features

The ADS1252U is a high-precision, 24-bit analog-to-digital converter (ADC) designed for various applications in industrial and medical instrumentation. Key features include:
1. High Resolution: 24-bit resolution with up to 30 kSPS data rate.
2. Low Noise: Low noise performance, enhancing signal integrity.
3. Multiple Inputs: Supports up to 8 differential or single-ended input channels.
4. Integrated PGA: Programmable gain amplifier (PGA) for flexible signal conditioning.
5. Low Power Consumption: Designed for battery-operated devices with low power requirements.
6. Flexible Interface: SPI-compatible digital interface for easy integration with microcontrollers.
7. Internal Oscillator: Built-in clock oscillator simplifies system design.
8. Self-Calibration: Features like self-calibration and drift compensation enhance accuracy over time.
9. Temperature Range: Suitable for industrial applications with extended operating temperature range.
10. Built-In Filters: Programmable digital filters to reduce noise and improve signal processing.
These features make the ADS1252U suitable for precise data acquisition in various applications, including sensor management and data logging systems.

Package

The ADS1252U is available in a TQFP (Thin Quad Flat Package) with a 32-pin configuration. This package type offers a compact design suitable for high-density circuit layouts, providing improved thermal performance and ease of handling during assembly.

Pinout

The ADS1252U is a 24-bit analog-to-digital converter (ADC) featuring a total of 28 pins. The key functions of its pins include:
1. Input Pins:
- AIN0 to AIN3: Analog input channels for differential or single-ended signals.

2. Digital Communication Pins:
- DIN, DOUT: SPI data input and output.
- SCLK: Serial clock for SPI communication.
- CSB: Chip select for initiating communication.

3. Power Supply Pins:
- VDD: Positive supply voltage.
- AGND: Analog ground.
- DGND: Digital ground.
4. Reference Pins:
- VREF+: Positive reference voltage input.
- VREF-: Negative reference voltage input.
5. Control Pins:
- RESET: Resets the device.
- START: Initiates a conversion.
- DRDY: Data ready output signal indicating that new data is available.
6. Miscellaneous Pins:
- CLK: Internal oscillator clock (can be an external crystal).
The ADS1252U is designed for precise data acquisition applications, offering high resolution and low noise.

Manufacturer

The ADS1252U is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, with a strong focus on analog and embedded processing. Founded in 1930, TI is known for its innovations in various fields, including automotive, industrial, and consumer electronics. The company plays a significant role in the development of digital signal processing technology and is a major supplier of digital and analog chips used in a wide range of electronic devices. TI's products are widely used across different industries, reflecting its standing as a leading player in the semiconductor market.

Application

The ADS1252U is a precision analog-to-digital converter (ADC) commonly used in applications such as industrial process control, weighing scales, medical instrumentation, and data acquisition systems. Its high resolution and low noise make it suitable for measuring sensors like strain gauges, thermocouples, and pressure sensors. Additionally, it is utilized in portable devices and battery-operated systems due to its low power consumption features.

Equivalent

Equivalent products to the ADS1252U chip include the following ADCs:
1. LTC2375 - 24-bit, 1 MSPS, low-power SAR ADC.
2. MCP3564 - 24-bit, 2 MSPS, delta-sigma ADC with multiple channels.
3. AD7790 - 24-bit, low-power, sigma-delta ADC.
4. PCM1802 - 24-bit, stereo ADC with I2S output.
Always verify specifications to ensure they meet your application needs.

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出荷料参照(DHL/FedEx):

DHL の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は2〜5営業日です。

フェデックス: 配送費は25ドル〜40ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

UPS の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

TNT社: 配送費は25ドル〜65ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

EMS: 配送料金は30〜50ドル(0.5kg)の範囲で、推定配送時間は7〜15営業日です。

登録航空郵便: 配送費は2〜4ドル(0.1kg)で、推定配送時間は5〜20営業日です。

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