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規格
| 屬性 | 價值 |
| Brand | Analog Devices |
| ProductType | ADCs - Analog to Digital Converters |
| Subcategory | Data Converter ICs |
| Series | LTC2485 |
| MountingStyle | SMD/SMT |
| Resolution | 24 bit |
| NumberofChannels | 1 Channel |
| SamplingRate | 15 S/s |
| InputType | Differential |
| Architecture | Sigma-Delta |
| DevelopmentKit | DC956A |
| DNL-DifferentialNonlinearity | 1 LSB |
| INL-IntegralNonlinearity | 33.5 LSB |
| Pd-PowerDissipation | 480 uW |
| ReferenceType | External |
| Shutdown | Shutdown |
| Type | Precision |
| ShippingRestrictions | Mouser does not presently sell this product in your region. |
| Package/Case | DFN-10 |
| AnalogSupplyVoltage | 2.7 V to 5.5 V |
概述
Description
The LTC2485IDD is a high-performance, 24-bit analog-to-digital converter (ADC) designed for precision measurement applications. It features a low-noise, differential input architecture, which allows it to achieve high accuracy and dynamic range in converting analog signals to digital form. The LTC2485 supports various input configurations, including single-ended and differential inputs, making it versatile for different applications.
This ADC operates with a supply voltage of 2.7V to 5.5V and delivers a maximum sampling rate of 240 SPS (samples per second). Its internal reference simplifies design by eliminating the need for an external reference voltage. The chip incorporates advanced features such as programmable gain and a built-in low-drift internal oscillator, contributing to its reliability and precision.
Ideal for industrial and medical applications, the LTC2485IDD is used in systems that require precise measurements, such as temperature sensors, pressure sensors, and other transducers. Its digital output is available via a serial interface, facilitating easy integration into microcontroller-based systems.
This ADC operates with a supply voltage of 2.7V to 5.5V and delivers a maximum sampling rate of 240 SPS (samples per second). Its internal reference simplifies design by eliminating the need for an external reference voltage. The chip incorporates advanced features such as programmable gain and a built-in low-drift internal oscillator, contributing to its reliability and precision.
Ideal for industrial and medical applications, the LTC2485IDD is used in systems that require precise measurements, such as temperature sensors, pressure sensors, and other transducers. Its digital output is available via a serial interface, facilitating easy integration into microcontroller-based systems.
Equivalent
Equivalent products to the LTC2485IDD chip include the AD7780 from Analog Devices, the MCP3561 from Microchip, and the MAX11410 from Maxim Integrated. These alternatives offer similar functionalities such as high-resolution analog-to-digital conversion, low power consumption, and I2C communication. Always check specific requirements and features to ensure compatibility with your application.
Features
The LTC2485IDD is a 24-bit delta-sigma analog-to-digital converter (ADC) designed for high-performance signal conversion. Key features include:
1. High Resolution: Offers true 24-bit resolution for precise measurements.
2. Low Noise: Provides excellent noise performance with low input voltage noise.
3. Single Supply Operation: Operates from a single 2.7V to 5.5V supply.
4. Integrated PGA: Features a programmable gain amplifier (PGA) for improved signal handling.
5. Low Power Consumption: Consumes minimal power, making it suitable for battery-operated devices.
6. Fast Conversion Time: Offers a conversion time of around 60 ms.
7. Built-in Reference: Includes an internal voltage reference for consistent performance.
8. I2C Interface: Supports a simple I2C communication interface for easy integration.
9. Temperature Range: Operates within a wide temperature range, enhancing reliability in various environments.
These features make the LTC2485IDD ideal for applications in industrial process control, instrumentation, and medical devices.
1. High Resolution: Offers true 24-bit resolution for precise measurements.
2. Low Noise: Provides excellent noise performance with low input voltage noise.
3. Single Supply Operation: Operates from a single 2.7V to 5.5V supply.
4. Integrated PGA: Features a programmable gain amplifier (PGA) for improved signal handling.
5. Low Power Consumption: Consumes minimal power, making it suitable for battery-operated devices.
6. Fast Conversion Time: Offers a conversion time of around 60 ms.
7. Built-in Reference: Includes an internal voltage reference for consistent performance.
8. I2C Interface: Supports a simple I2C communication interface for easy integration.
9. Temperature Range: Operates within a wide temperature range, enhancing reliability in various environments.
These features make the LTC2485IDD ideal for applications in industrial process control, instrumentation, and medical devices.
Pinout
The LTC2485IDD is a 24-bit delta-sigma analog-to-digital converter (ADC) with a pin count of 16. It is designed for high-precision, low-noise applications. The key functions of its pins include:
1. Power Supply: VCC (power) and GND (ground).
2. Input: AIN (analog input signal).
3. Digital Interfaces:
- SCK (serial clock for SPI communication).
- SDI (serial data input).
- SDO (serial data output).
- CS (chip select).
4. Control Pins:
- CONT (control for continuous conversion mode).
- MODE (to set operation mode).
5. Reference: REF (reference voltage input).
6. Voltage Pins: REFOUT (reference voltage output).
The LTC2485IDD is suitable for applications requiring high resolution and low power consumption.
1. Power Supply: VCC (power) and GND (ground).
2. Input: AIN (analog input signal).
3. Digital Interfaces:
- SCK (serial clock for SPI communication).
- SDI (serial data input).
- SDO (serial data output).
- CS (chip select).
4. Control Pins:
- CONT (control for continuous conversion mode).
- MODE (to set operation mode).
5. Reference: REF (reference voltage input).
6. Voltage Pins: REFOUT (reference voltage output).
The LTC2485IDD is suitable for applications requiring high resolution and low power consumption.
Manufacturer
The LTC2485IDD is manufactured by Analog Devices, Inc. Analog Devices, commonly referred to as ADI, is a semiconductor company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965, ADI designs and manufactures a wide range of products, including data converters, amplifiers, sensors, and signal processing solutions for various applications in industries such as healthcare, automotive, industrial automation, and communication. The company is known for its innovative technologies that enable precise measurement and conditioning of signals, making it a key player in the electronics industry. Analog Devices is headquartered in Norwood, Massachusetts, and serves a global customer base through its extensive network of operations and collaborations.
Application
The LTC2485IDD is a high-precision, low-noise 24-bit analog-to-digital converter (ADC) primarily used in applications requiring accurate data acquisition. Key application areas include:
1. Industrial Automation: Sensor interfacing, process control, and monitoring.
2. Medical Devices: Blood glucose meters, ECG, and other diagnostic equipment.
3. Instrumentation: Precision measurements and data logging in laboratory settings.
4. Consumer Electronics: High-fidelity audio systems and smart home devices.
5. Automotive: Sensor data acquisition for engine control and diagnostics.
Its low power consumption and high resolution make it suitable for battery-operated devices as well.
1. Industrial Automation: Sensor interfacing, process control, and monitoring.
2. Medical Devices: Blood glucose meters, ECG, and other diagnostic equipment.
3. Instrumentation: Precision measurements and data logging in laboratory settings.
4. Consumer Electronics: High-fidelity audio systems and smart home devices.
5. Automotive: Sensor data acquisition for engine control and diagnostics.
Its low power consumption and high resolution make it suitable for battery-operated devices as well.
Package
The LTC2485IDD is available in a 16-lead TSSOP (Thin Shrink Small Outline Package) package type.