Overview
The LTC2311-14, produced by Analog Devices Inc., is a high-performance, low-noise, 14-bit + sign successive approximation register (SAR) analog-to-digital converter (ADC). This device operates from a single 3.3V or 5V supply and features differential inputs with a wide input common mode range. It is designed to provide high accuracy and reliability, making it suitable for a variety of applications that require precise analog-to-digital conversion.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 14-bit + sign | |
| Sample Rate | Up to 5 Msps | |
| Supply Voltage | 3.3V or 5V | V |
| Differential Input Range | 8V P-P | V |
| Integral Nonlinearity (INL) | ±0.75 LSB typical | LSB |
| Signal-to-Noise Ratio (SNR) | 80 dB typical | dB |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package | 16-Lead MSOP | |
| Power Consumption (Active) | 50 mW (at 5V supply) | mW |
| Power Consumption (Sleep Mode) | 5 μW | μW |
Key Features
- Low noise and high speed operation with up to 5 Msps sample rate.
- Differential inputs with an 8V P-P input range, providing a wide dynamic range and high common mode rejection.
- High accuracy with ±0.75 LSB INL typical and no missing codes at 14 bits.
- Internal low drift reference (20 ppm/°C max).
- SPI-compatible serial interface supporting CMOS and LVDS logic.
- Low power consumption with nap and sleep modes to reduce power to 5 μW.
- Operating from a single 3.3V or 5V supply.
Applications
The LTC2311-14 is ideal for various applications that require high-speed, high-accuracy analog-to-digital conversion, including:
- Industrial automation and control systems.
- Medical devices and diagnostic equipment.
- Aerospace and defense systems.
- Automotive systems, especially those requiring high reliability and precision.
- Test and measurement instruments.
Q & A
- What is the resolution of the LTC2311-14 ADC?
The LTC2311-14 has a resolution of 14-bit + sign.
- What is the maximum sample rate of the LTC2311-14?
The maximum sample rate is up to 5 Msps.
- What are the supply voltage options for the LTC2311-14?
The device operates from a single 3.3V or 5V supply.
- What is the differential input range of the LTC2311-14?
The differential input range is 8V P-P.
- What is the typical integral nonlinearity (INL) of the LTC2311-14?
The typical INL is ±0.75 LSB.
- What is the signal-to-noise ratio (SNR) of the LTC2311-14?
The typical SNR is 80 dB.
- What is the operating temperature range of the LTC2311-14?
The operating temperature range is -40°C to 85°C.
- What package options are available for the LTC2311-14?
The device is available in a 16-Lead MSOP package.
- How much power does the LTC2311-14 consume in active mode?
The power consumption in active mode is 50 mW at a 5V supply.
- What is the power consumption in sleep mode?
The power consumption in sleep mode is 5 μW.
