Overview
The LTC2311-16, produced by Analog Devices Inc., is a high-performance 16-bit successive approximation register (SAR) analog-to-digital converter (ADC). This component is designed for applications requiring high speed, low noise, and a wide dynamic range. It operates from a single 3.3V or 5V supply and features differential inputs with a wide input common mode range, making it ideal for converting a variety of analog signals.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 16 bits |
| Sample Rate | Up to 5 Msps |
| Differential Input Range | 8 VP-P |
| Supply Voltage | 3.3V or 5V |
| Integral Nonlinearity (INL) | ±3 LSB typical |
| Signal-to-Noise Ratio (SNR) | 81 dB typical |
| Reference Voltage | Onboard 2.048V or 4.096V, external 1.25V buffered reference input |
| Power Consumption | 50 mW at 5V supply, 5 μW in nap/sleep mode |
| Interface | SPI-compatible, supports CMOS or LVDS |
| Package | 16-Lead MSOP w/ EP |
Key Features
- High speed operation with up to 5 Msps sample rate and one-cycle latency.
- Low noise performance with ±3 LSB INL typical and 81 dB SNR typical.
- Wide input common mode range and 8 VP-P differential input range.
- Onboard low drift (20 ppm/°C max) temperature-compensated reference and external 1.25V buffered reference input.
- SPI-compatible serial interface supporting CMOS or LVDS logic.
- Low power consumption with nap and sleep modes reducing power to 5 μW.
Applications
The LTC2311-16 is suited for a wide variety of high-speed applications that require high accuracy and low noise. These include industrial automation, medical devices, test and measurement equipment, and high-speed data acquisition systems. Its ability to handle a wide dynamic range with high common mode rejection makes it particularly useful in environments where signal integrity is critical.
Q & A
- What is the resolution of the LTC2311-16 ADC?
The LTC2311-16 has a resolution of 16 bits. - What is the maximum sample rate of the LTC2311-16?
The maximum sample rate is up to 5 Msps. - What is the differential input range of the LTC2311-16?
The differential input range is 8 VP-P. - What are the available supply voltages for the LTC2311-16?
The LTC2311-16 can operate from a single 3.3V or 5V supply. - What is the typical integral nonlinearity (INL) of the LTC2311-16?
The typical INL is ±3 LSB. - What is the signal-to-noise ratio (SNR) of the LTC2311-16?
The typical SNR is 81 dB. - Does the LTC2311-16 have an onboard reference voltage?
Yes, it has an onboard 2.048V or 4.096V temperature-compensated reference and also supports an external 1.25V buffered reference input. - What type of serial interface does the LTC2311-16 support?
The LTC2311-16 supports a SPI-compatible serial interface that can operate in CMOS or LVDS mode. - How much power does the LTC2311-16 consume?
The power consumption is 50 mW at a 5V supply, and it can be reduced to 5 μW in nap/sleep mode. - In what package is the LTC2311-16 available?
The LTC2311-16 is available in a 16-Lead MSOP w/ EP package.
