ADS1251U

Name: ADS1251U
Brand: Texas Instruments
Rating: 4.5 (10 reviews)
Author: Lisleapex

ADS1251U, Universal Analog-to-Digital Converters, Tubular

6,354 Effective Inventory

ADS1251U

Effective Inventory6,354

ADS1251U, Universal Analog-to-Digital Converters, Tubular

Manufacturer Part # : ADS1251U
Package/Case: SOIC-8
Brand: Texas Instruments
Product Categories : Analog to Digital Converters (ADC)
Series : ADS1251

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We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

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ADS1251U DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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ADS1251U Details

The ADS1251U is a high-resolution analog-to-digital converter (ADC) from Texas Instruments, designed for precise measurements in various applications. This device offers 24-bit resolution, low power consumption, and a fully programmable gain and offset, making it suitable for industrial automation, data acquisition systems, medical devices, and precision measurement instruments.

Key Features

24-bit resolution for precise measurements: Offers high-resolution ADC capabilities for accurate measurements.
Lovew-power architecture for extended battery life: Designed to consume low power, making it suitable for applications with limited power sources.
Fully programmable gain and offset: Allows users to adjust the device's sensitivity and calibration to suit specific application requirements.

Applications

Industrial automation systems: Suitable for industrial control systems, monitoring, and data acquisition applications.
Data acquisition systems: Offers high-resolution ADC capabilities for precise measurements in various applications.
Medical devices: Can be used in medical instruments and equipment to provide accurate measurements and data processing.

Where to Use

The ADS1251U is suitable for applications where high-resolution ADC capabilities, low power consumption, and programmable gain and offset are important. It can be used in industrial settings, medical devices, and data acquisition systems.

How to Use

To use the ADS1251U, connect your analog input signal to the device's input pins. Power the device with a suitable voltage source, such as VCC and GND. Configure the device using the fully programmable gain and offset to optimize its performance for specific application requirements.

Application Circuit

A sample application circuit diagram for the ADS1251U is available upon request. Please refer to the datasheet for more information on pin configurations, circuit design, and usage guidelines.

Equivalents

TMS320F2808: A similar microcontroller from Texas Instruments offering comparable features and performance to the ADS1251U.
NXP LPC4370: An alternative microcontroller from NXP, providing comparable ADC capabilities and low-power operation.

Complementary

The ADS1251U can be complemented by other Texas Instruments components, such as the TPS65071 audio processor or the TLV7200 analog-to-digital converter, to provide a complete solution for various applications.

When selecting complementary components, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the resolution of the ADS1251U?

A: The ADS1251U offers 24-bit ADC resolution, providing high precision and accurate measurements.

Q: Is the ADS1251U suitable for industrial control systems?

A: Yes, the ADS1251U is designed to meet the requirements of industrial automation systems, offering low power consumption, programmable gain and offset, and 24-bit resolution.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Pbfree Code	Yes	Rohs Code	Yes
Part Life Cycle Code	Active	Part Package Code	SOIC
Pin Count !	8	Reach Compliance Code	compliant
ECCN Code	EAR99	HTS Code !	8542.39.00.01
Analog Input Voltage-Max	5.25 V	Analog Input Voltage-Min	-4.096 V
Conversion Time-Max	50 µs	Converter Type	ADC, DELTA-SIGMA
JESD-30 Code	R-PDSO-G8	JESD-609 Code	e4
Length	4.9 mm	Linearity Error-Max (EL)	0.0015%
Moisture Sensitivity Level	2	Number of Analog In Channels	1
Number of Bits	24	Number of Functions	1
Number of Terminals	8	Operating Temperature-Max	85 °C
Operating Temperature-Min	-40 °C	Output Bit Code	OFFSET BINARY, 2'S COMPLEMENT BINARY
Output Format !	SERIAL	Package Body Material	PLASTIC/EPOXY
Package Code	SOP	Package Equivalence Code	SOP8,.25
Package Shape	RECTANGULAR	Package Style	SMALL OUTLINE
Peak Reflow Temperature (Cel)	260	Power Supplies !	5 V
Qualification Status !	Not Qualified	Sample Rate	0.02 MHz
Seated Height-Max	1.75 mm	Supply Current-Max	2 mA
Supply Voltage-Min	4.75 V	Supply Voltage-Nom	5 V
Surface Mount !	YES	Technology	CMOS
Temperature Grade !	INDUSTRIAL	Terminal Finish	NICKEL PALLADIUM GOLD
Terminal Form !	GULL WING	Terminal Pitch !	1.27 mm
Terminal Position	DUAL	Time@Peak Reflow Temperature-Max (s)	30
Width	3.9 mm

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification ADS1251U PDF Download

FAQs

What is ADS1251U?

The ADS1251U is a precision 24-bit analog-to-digital converter (ADC) manufactured by Texas Instruments. It is designed for applications requiring high-resolution, low-noise analog-to-digital conversion, such as industrial automation, data acquisition systems, and instrumentation.

How Does ADS1251U Work?

The ADS1251U operates by converting analog voltage signals into digital data with high precision and accuracy. It features a delta-sigma architecture coupled with an integrated analog front-end to achieve low-noise performance and high resolution. The ADC offers programmable gain and low-power operation, making it suitable for battery-powered devices.

How Many Pins does ADS1251U have and What are the Functions of the Pinout Configuration?

The ADS1251U is housed in a 28-pin SSOP (Shrink Small Outline Package) package. The pinout configuration includes:

AVDD, DVDD: Analog and digital power supply pins, respectively.
AGND, DGND: Analog and digital ground pins, respectively.
AIN0 to AIN3: Analog input channels.
RFB: Reference buffer pin.
CLK, DOUT, DIN, SCLK: Serial interface pins.
DRDY: Data ready pin.
RESET, PWDN: Reset and power-down pins.

What are the Pros and Cons of ADS1251U?

Pros:

High Resolution: Provides 24-bit resolution for accurate measurements.
Low Noise: Delivers low-noise performance, suitable for precision applications.
Programmable Gain: Offers programmable gain settings for versatile signal conditioning.
Low Power: Operates in low-power mode, extending battery life in portable devices.
Integrated Features: Includes an integrated analog front-end for simplified system design.

Cons:

Cost: High-resolution ADCs like the ADS1251U may have a higher cost compared to lower-resolution alternatives.
Complexity: Requires careful consideration of grounding, noise, and layout for optimal performance.
External Components: May need additional external components for specific applications or performance enhancements.

Are There Any Equivalents/Alternatives to ADS1251U for Recommendation?

An equivalent part to the ADS1251U is the ADS1251 from Texas Instruments.
Alternative options to the ADS1251U include the ADS1252 and ADS1253 also from Texas Instruments, offering variations in features and performance.