Analog Devices Inc. LTC2420IS8#PBF

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Product attributes Property Value
Manufacturer Analog Devices Inc.
Product Series microPOWER™
Packaging Tube |
Number of Bits 20
Sampling Rate (Per Second) 7.5
Number of Inputs 1
Input Type Single Ended
Data Interface SPI
Configuration ADC
Ratio - S/H:ADC -
Number of A/D Converters 1
Architecture Sigma-Delta
Reference Type External
Voltage - Supply, Analog 2.7V ~ 5.5V
Voltage - Supply, Digital 2.7V ~ 5.5V
Features -
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Grade -
Qualification -
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SO
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The LTC2420IS8#PBF is a high-precision, 20-bit Analog-to-Digital Converter (ADC) from Analog Devices. It offers a sampling rate of 7.5 SPS and features a single input channel with an SPI interface. This ADC is designed for applications requiring excellent accuracy and stability, such as precision instrumentation, industrial process control, and medical devices. Its external reference input provides flexibility for ratiometric measurements, ensuring accurate conversion relative to the sensor's excitation voltage.

  • Exceptional Precision: 20-bit resolution provides extremely fine measurement granularity, ideal for high-accuracy sensor interfaces.
  • Simple Integration: The SPI interface allows for easy connection to a wide range of microcontrollers and digital systems.
  • Low Power Consumption: The low sampling rate contributes to minimal power draw, making it suitable for battery-powered devices.
  • Design Flexibility: The external reference allows for ratiometric configurations, improving measurement accuracy by eliminating reference voltage errors.

Precision Sensor Signal Digitization

The LTC2420IS8#PBF's 20-bit resolution and 7.5 SPS sampling rate make it ideal for digitizing outputs from precision sensors like strain gauges, thermocouples, and load cells, ensuring minimal quantization error.

Weigh Scale and Force Measurement

In industrial weighing systems, the high resolution of this ADC allows for detecting minute changes in weight, providing accurate and stable measurements over long periods.

Data Acquisition Systems

For low-speed, high-accuracy data acquisition, the LTC2420's SPI interface simplifies integration with digital systems, while its external reference allows for ratiometric measurements.

Medical Instrumentation

In medical devices such as patient monitors or lab equipment, the 20-bit precision ensures reliable and repeatable readings of biological signals, which is critical for diagnostics.

Battery-Powered Instruments

With its low sampling rate and precision conversion, the LTC2420 is well-suited for portable instruments where power consumption is a concern, extending battery life without sacrificing accuracy.

Q: What type of ADC is the LTC2420IS8#PBF?
A: The LTC2420IS8#PBF is a 20-bit precision Analog-to-Digital Converter (ADC) with an external reference.
Q: What is the resolution of the LTC2420IS8#PBF?
A: It offers a high resolution of 20 bits, enabling precise measurement of small analog signals.
Q: What is the sampling rate of the LTC2420IS8#PBF?
A: The sampling rate is 7.5 SPS (samples per second), ideal for low-speed, high-accuracy applications.
Q: How many channels does the LTC2420IS8#PBF have?
A: It features a single input channel (1 channel).
Q: What interface does the LTC2420IS8#PBF use?
A: It uses a standard SPI (Serial Peripheral Interface) for communication with microcontrollers.
Q: What is the package type for the LTC2420IS8#PBF?
A: It is available in an 8-SOIC (0.154", 3.90mm Width) package, suitable for compact PCB designs.
Base Product Number : LTC2420
20-bit 7.5 SPS 8-SOIC ADC Analog-to-Digital Converter LTC2420 Precision ADC SPI
Q: What type of ADC is the LTC2420IS8#PBF?
A: The LTC2420IS8#PBF is a 20-bit precision Analog-to-Digital Converter (ADC) with an external reference.
Q: What is the resolution of the LTC2420IS8#PBF?
A: It offers a high resolution of 20 bits, enabling precise measurement of small analog signals.
Q: What is the sampling rate of the LTC2420IS8#PBF?
A: The sampling rate is 7.5 SPS (samples per second), ideal for low-speed, high-accuracy applications.
Q: How many channels does the LTC2420IS8#PBF have?
A: It features a single input channel (1 channel).
Q: What interface does the LTC2420IS8#PBF use?
A: It uses a standard SPI (Serial Peripheral Interface) for communication with microcontrollers.
Q: What is the package type for the LTC2420IS8#PBF?
A: It is available in an 8-SOIC (0.154", 3.90mm Width) package, suitable for compact PCB designs.