ADS1240E

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ADS1240E

+Nomenclature

IC ADC 24BIT SIGMA-DELTA 24SSOP

  • FabricantTexas Instruments

  • Pièce fabricant #ADS1240E

  • En stock5619

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Spécifications

Attribut Valeur
PartStatus Active
BaseProductNumber ADS1240
NumberofBits 24
SamplingRate(PerSecond) 15
NumberofInputs 4
InputType Differential, Single Ended
DataInterface SPI
Configuration MUX-PGA-ADC
NumberofA/DConverters 1
Architecture Sigma-Delta
ReferenceType External
Voltage-Supply,Analog 2.7V ~ 3.3V, 5V
Voltage-Supply,Digital 2.7V ~ 5.25V
Features PGA
OperatingTemperature -40°C ~ 85°C
Package 24-SSOP (0.209", 5.30mm Width)
SupplierDevicePackage 24-SSOP
MountingType Surface Mount
Packaging Tube

Présentation

Description

The ADS1240E is a precision, 24-bit analog-to-digital converter (ADC) designed by Texas Instruments for high-resolution measurement applications. It is part of the ADS1240 family, which is known for its excellent performance in converting small signal inputs into digital outputs. The device features a low-noise, programmable gain amplifier (PGA) that supports gains ranging from 1 to 128, making it suitable for a wide range of sensor applications such as temperature, pressure, and weight measurements.
The ADS1240E operates with a single power supply ranging from 2.7V to 5.25V and includes integrated features like a voltage reference, clock oscillator, and a flexible SPI-compatible serial interface for easy communication with microcontrollers and other digital systems. The ADC is capable of a maximum data output rate of up to 1kSPS, and its low power consumption makes it ideal for battery-powered devices. Additionally, the device includes self-calibration and system calibration functions to ensure accurate performance across various operating conditions. This ADC is typically used in applications requiring high precision and low noise, such as in industrial and scientific instrumentation.

Equivalent

The ADS1240E is a precision 24-bit analog-to-digital converter (ADC) from Texas Instruments. Equivalent products include:
1. ADS1241 - Another variant in the same family with additional features.
2. AD7799 - A similar precision ADC from Analog Devices.
3. MCP3550 - A 22-bit ADC from Microchip with similar precision characteristics.
4. LTC2440 - A high-resolution ADC from Analog Devices (formerly Linear Technology).
These alternatives vary in specifications, so reviewing datasheets for exact requirements is recommended.

Features

The ADS1240E is a high-performance, 24-bit analog-to-digital converter (ADC) designed for precision measurement applications. Key features include:
1. Resolution: 24-bit, allowing for high-precision data conversion.
2. Input Channels: Single-channel, suitable for various sensor inputs.
3. Data Rate: Programmable data rates up to 2kSPS, providing flexibility in measurement speed and accuracy.
4. Low Noise: Designed with low noise performance to ensure accurate readings.
5. Programmable Gain Amplifier (PGA): Offers programmable gain settings to accommodate different input signal ranges.
6. Analog Supply Voltage: Operates with a supply voltage range from 2.7V to 5.25V, providing versatility in power supply configurations.
7. Digital Interface: Features an SPI-compatible serial interface for easy integration with microcontrollers and other digital systems.
8. Temperature Sensor: Includes an integrated temperature sensor for environmental monitoring.
9. Low Power Consumption: Optimized for low power usage, making it suitable for battery-powered applications.
10. Operating Temperature Range: Supports a wide operating temperature range, enhancing reliability in various environments.
These features make the ADS1240E an excellent choice for applications requiring high precision and reliability.

Pinout

The ADS1240E is a 24-bit A/D converter from Texas Instruments, designed for precision measurement applications. The device comes in a 28-pin package. Here is a brief overview of its pin functions:
1. Analog Inputs: Differential input pins for measuring analog signals.
2. Digital Inputs/Outputs: I/O pins for interfacing with digital systems.
3. Reference Inputs: Reference voltage pins to ensure accurate measurements.
4. Power Supply Pins: For the supply voltage and ground.
5. Serial Interface Pins: SPI-compatible pins for communication with microcontrollers or other digital devices.
6. Oscillator Pins: External clock input pins to drive the device.
7. Additional Control Pins: Pins for additional functionalities like reset or standby modes.
These pins enable the ADS1240E to interface easily with microcontrollers and other digital systems, making it suitable for various precision data acquisition applications. For specific pin configuration and functions, refer to the datasheet provided by Texas Instruments.

Manufacturer

The ADS1240E is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. It is one of the largest semiconductor companies in the world, and its products are used in a variety of applications, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. TI is known for producing a wide range of analog and embedded processing products.

Application

The ADS1240E is a precision analog-to-digital converter (ADC) commonly used in applications requiring high-resolution and low-noise measurements. Key application areas include:
1. Industrial Automation: For precise sensor data acquisition in process control systems.
2. Weighing Scales: Used in digital scales for accurate weight measurement.
3. Medical Instrumentation: Suitable for medical devices that require precise signal conversion, such as ECG and patient monitoring systems.
4. Temperature Monitoring: Integrated into systems measuring temperature through RTDs or thermocouples.
5. Data Logging: Employed in systems that require high-precision data capture over time.
6. Scientific Instrumentation: Used in laboratory equipment for accurate data acquisition.
These applications benefit from its high resolution, low power consumption, and versatility in interfacing with various sensors.

Package

The ADS1240E is an analog-to-digital converter (ADC) that comes in a TSSOP (Thin Shrink Small Outline Package) package type, specifically a 20-pin TSSOP. This package is compact and suitable for surface-mount applications.