Overview
The LTC2305HMS#PBF is a 2-channel, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the LTC2305 series, known for its low noise, low power consumption, and I²C compatible serial interface. The ADC features an internal reference and a fully differential sample-and-hold circuit, which helps in reducing common mode noise. It operates from a single 5V supply and is designed for high efficiency, making it ideal for battery-operated and portable applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 2 |
| Resolution | 12 bits |
| Conversion Rate | Up to 14 kS/s |
| Interface | I²C compatible |
| Supply Voltage | 4.75 V to 5.25 V |
| Power Consumption | 300 μA at 1 kS/s |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 12-Lead MSOP |
| Conversion Time | 1.3 μs |
| Signal Input Type | Differential/Single-Ended |
| SNR (Signal-to-Noise Ratio) | 73.5 dB |
Key Features
- Low noise and low power consumption, making it suitable for battery-operated and portable applications.
- Internal 2.5V reference, reducing PCB board space requirements.
- Fast conversion time of 1.3 μs.
- I²C compatible serial interface for easy integration into space-constrained systems.
- Fully differential sample-and-hold circuit to minimize common mode noise.
- Nap mode to reduce power dissipation when not converting.
Applications
The LTC2305HMS#PBF is ideal for various applications requiring precise and efficient analog-to-digital conversion. These include:
- Battery-operated devices and portable electronics.
- Space-constrained systems where the small package size (12-Lead MSOP or DFN) is beneficial.
- Industrial automation and control systems.
- Medical devices requiring low noise and high precision.
- Aerospace and defense applications where reliability and efficiency are critical.
Q & A
- What is the resolution of the LTC2305HMS#PBF ADC?
The LTC2305HMS#PBF has a resolution of 12 bits. - What is the maximum conversion rate of the LTC2305HMS#PBF?
The maximum conversion rate is up to 14 kS/s. - What type of interface does the LTC2305HMS#PBF use?
The LTC2305HMS#PBF uses an I²C compatible serial interface. - What is the supply voltage range for the LTC2305HMS#PBF?
The supply voltage range is from 4.75 V to 5.25 V. - How much power does the LTC2305HMS#PBF consume at 1 kS/s?
The power consumption is 300 μA at 1 kS/s. - What is the operating temperature range of the LTC2305HMS#PBF?
The operating temperature range is from -40°C to +85°C. - What type of package is the LTC2305HMS#PBF available in?
The LTC2305HMS#PBF is available in a 12-Lead MSOP package. - What is the conversion time of the LTC2305HMS#PBF?
The conversion time is 1.3 μs. - Does the LTC2305HMS#PBF have an internal reference?
Yes, the LTC2305HMS#PBF includes an internal 2.5V reference. - What signal input types are supported by the LTC2305HMS#PBF?
The LTC2305HMS#PBF supports differential and single-ended signal inputs.
