Analog Devices Inc. LTC2309CUF#PBF

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Product attributes Property Value
Manufacturer Analog Devices Inc.
Product Series
Packaging Tube |
Number of Bits 12
Sampling Rate (Per Second) 14k
Number of Inputs 8
Input Type Differential, Single Ended
Data Interface I2C
Configuration MUX-S/H-ADC
Ratio - S/H:ADC 1:1
Number of A/D Converters 1
Architecture SAR
Reference Type External, Internal
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 5V
Features Selectable Address
Operating Temperature 0°C ~ 70°C
Mounting Type Surface Mount
Grade -
Qualification -
Package / Case 24-WFQFN Exposed Pad
Supplier Device Package 24-QFN (4x4)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The LTC2309CUF#PBF from Analog Devices is a versatile, 12-bit analog-to-digital converter featuring 8 multiplexed input channels and an I2C serial interface. With a sampling rate of 14k SPS, it is optimized for precision measurement applications where speed is less critical than accuracy. The device operates from 0°C to +70°C and comes in a compact 24-WFQFN package with an exposed pad for enhanced thermal dissipation. Its two-wire I2C interface simplifies system design and reduces pin count, making it an excellent choice for multi-sensor data acquisition and industrial monitoring.

  • 8-Channel Multiplexing: Reduces component count and board space by integrating multiple inputs into one ADC.
  • Simple I2C Interface: Only two wires needed for communication, simplifying PCB routing and firmware.
  • Compact Package: 24-WFQFN with exposed pad offers a small footprint and good thermal performance.
  • Low Power Consumption: Suitable for battery-powered and energy-harvesting applications.
  • Flexible Reference: Supports both internal and external references for design flexibility.

Multi-Sensor Monitoring with Minimal Wiring

The LTC2309CUF#PBF's I2C interface and 8 input channels make it perfect for systems that need to monitor multiple sensors while minimizing wiring complexity, such as in smart building automation.

Data Logging Systems

With 14k SPS and 12-bit resolution, it can accurately log environmental data (temperature, humidity, light) over long periods in remote or embedded data loggers.

Industrial Control and Automation

In industrial settings, it can digitize signals from multiple transducers (pressure, flow, level) for process control, with the I2C bus allowing easy daisy-chaining of multiple devices.

Medical Instrumentation

The compact 24-WFQFN package and low power consumption make it suitable for portable medical devices that monitor several physiological parameters simultaneously.

Battery-Powered IoT Devices

Its low power consumption and I2C interface are ideal for IoT edge nodes that need to sample multiple sensors and transmit data over a low-power network.

Power Supply Monitoring

It can monitor multiple voltage rails in a system, providing digital feedback for power management and fault detection in servers and telecom equipment.

Q: What is the LTC2309CUF#PBF?
A: It is a 12-bit, 8-channel analog-to-digital converter with an I2C interface, featuring a multiplexer and sample-and-hold circuit.
Q: What is the resolution of the LTC2309CUF#PBF?
A: It provides 12-bit resolution, offering 4096 levels of digital output for accurate analog-to-digital conversion.
Q: What is the sampling rate?
A: The maximum sampling rate is 14k SPS, suitable for low-speed, high-precision measurement applications.
Q: How many channels does it have?
A: It has 8 multiplexed input channels, allowing multiple analog signals to be read using a single ADC.
Q: What interface does it use?
A: It uses the I2C serial interface, which requires only two wires for communication, saving GPIO pins on the host controller.
Q: What is the package type?
A: It is available in a 24-WFQFN Exposed Pad package, which offers excellent thermal performance and a small footprint.
Base Product Number : LTC2309
12-bit 14k SPS 8-channel ADC Analog-to-Digital Converter I2C Linear Technology LTC2309 WFQFN-24
Q: What is the LTC2309CUF#PBF?
A: It is a 12-bit, 8-channel analog-to-digital converter with an I2C interface, featuring a multiplexer and sample-and-hold circuit.
Q: What is the resolution of the LTC2309CUF#PBF?
A: It provides 12-bit resolution, offering 4096 levels of digital output for accurate analog-to-digital conversion.
Q: What is the sampling rate?
A: The maximum sampling rate is 14k SPS, suitable for low-speed, high-precision measurement applications.
Q: How many channels does it have?
A: It has 8 multiplexed input channels, allowing multiple analog signals to be read using a single ADC.
Q: What interface does it use?
A: It uses the I2C serial interface, which requires only two wires for communication, saving GPIO pins on the host controller.
Q: What is the package type?
A: It is available in a 24-WFQFN Exposed Pad package, which offers excellent thermal performance and a small footprint.