Overview
The LTC2311HMSE-14#TRPBF is a 14-bit + sign successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This high-speed ADC is designed for applications requiring a wide dynamic range and high common mode rejection. It operates from a single 3.3V or 5V supply and features differential inputs with an 8VP-P differential input range. The LTC2311-14 is known for its low noise and high speed, achieving ±0.75LSB INL typical and 80dB SNR typical, making it suitable for a variety of high-speed applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14-bit + sign |
| Sample Rate | 5 Msps |
| Differential Input Range | 8VP-P |
| Supply Voltage | 3.3V or 5V |
| INL (Typical) | ±0.75 LSB |
| SNR (Typical) | 80 dB |
| Power Consumption (Active) | 50 mW (at 5V supply) |
| Power Consumption (Nap/Sleep Mode) | 5 μW |
| Operating Temperature Range | –40°C to 125°C |
| Package Type | 16-Lead MSOP with Exposed Pad |
Key Features
- Low noise and high speed SAR ADC with differential inputs.
- Wide input common mode range and high common mode rejection.
- Onboard low drift (20 ppm/°C max) temperature compensated reference (2.048V or 4.096V) and external 1.25V buffered reference input.
- High speed SPI-compatible serial interface supporting CMOS or LVDS.
- Fast 5 Msps throughput with one-cycle latency.
- Nap and sleep modes for reduced power consumption.
Applications
- High-speed data acquisition systems.
- Industrial control and automation.
- Medical imaging and diagnostics.
- Aerospace and defense applications.
- Automotive systems (with appropriate temperature grades).
Q & A
- What is the resolution of the LTC2311HMSE-14#TRPBF ADC?
The resolution is 14-bit + sign. - What is the sample rate of this ADC?
The sample rate is 5 Msps. - What is the differential input range of this ADC?
The differential input range is 8VP-P. - What are the supply voltage options for this ADC?
The ADC can operate from a single 3.3V or 5V supply. - What is the typical INL for this ADC?
The typical INL is ±0.75 LSB. - What is the typical SNR for this ADC?
The typical SNR is 80 dB. - How much power does the ADC consume in active mode?
The power consumption in active mode is 50 mW (at 5V supply). - What is the power consumption in nap/sleep mode?
The power consumption in nap/sleep mode is 5 μW. - What is the operating temperature range of this ADC?
The operating temperature range is –40°C to 125°C. - What type of package does the LTC2311HMSE-14#TRPBF come in?
The package type is 16-Lead MSOP with an exposed pad.
