Overview
The LTC2311CMSE-14#TRPBF is a high-performance, 14-bit + sign successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is known for its low noise, high speed, and wide input common mode range, making it ideal for various high-speed applications. It operates from a single 3.3V or 5V supply and features differential inputs with an 8VP-P differential input range. The LTC2311-14 also includes an onboard low drift temperature-compensated reference and supports an external 1.25V buffered reference input. The device is packaged in a 16-lead MSOP (Micro Small Outline Package) with an exposed pad, ensuring efficient thermal management and compact design.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 14-bit + sign | |
| Sample Rate | 5 Msps | |
| Differential Input Range | ±2.048V / ±4.096V | V |
| Integral Nonlinearity Error (INL) | ±0.75 LSB (typ), ±2 LSB (guaranteed) | LSB |
| Signal to Noise Ratio (SNR) | 80 dB (typ) | dB |
| Supply Voltage | 3.3V or 5V | V |
| Power Dissipation | 50 mW (typ) at 5V supply | mW |
| Operating Temperature Range | 0°C to 70°C (commercial), -40°C to 85°C (industrial) | °C |
| Interface Type | SPI-compatible serial interface, CMOS or LVDS | |
| Package Type | 16-Lead MSOP with exposed pad |
Key Features
- Low noise and high speed operation with 5 Msps throughput and one-cycle latency.
- Wide input common mode range and high common mode rejection.
- Onboard low drift 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.
- Low power consumption with nap and sleep modes reducing power to 5 μW.
- No missing codes at 14 bits and guaranteed 14-bit resolution.
- Compact 16-lead MSOP package with exposed pad for thermal efficiency.
- RoHS compliant and lead-free.
Applications
- High-speed data acquisition systems.
- Industrial automation and control systems.
- Medical imaging and diagnostic equipment.
- Aerospace and defense applications.
- Automotive systems requiring high reliability and performance.
- Test and measurement instruments.
Q & A
- What is the resolution of the LTC2311CMSE-14#TRPBF ADC?
The LTC2311CMSE-14#TRPBF has a 14-bit + sign resolution.
- What is the sample rate of the LTC2311CMSE-14#TRPBF?
The sample rate is 5 Msps.
- What are the differential input ranges for the LTC2311CMSE-14#TRPBF?
The differential input ranges are ±2.048V and ±4.096V.
- What is the typical integral nonlinearity error (INL) of the LTC2311CMSE-14#TRPBF?
The typical INL is ±0.75 LSB, with a guaranteed INL of ±2 LSB.
- What is the signal to noise ratio (SNR) of the LTC2311CMSE-14#TRPBF?
The SNR is typically 80 dB.
- What are the supply voltage options for the LTC2311CMSE-14#TRPBF?
The device operates from a single 3.3V or 5V supply.
- What is the power dissipation of the LTC2311CMSE-14#TRPBF at 5V supply?
The power dissipation is typically 50 mW at 5V supply.
- What are the operating temperature ranges for the LTC2311CMSE-14#TRPBF?
The operating temperature ranges are 0°C to 70°C (commercial) and -40°C to 85°C (industrial).
- What type of interface does the LTC2311CMSE-14#TRPBF support?
The device supports a SPI-compatible serial interface with CMOS or LVDS options.
- Is the LTC2311CMSE-14#TRPBF RoHS compliant?
Yes, the device is RoHS compliant and lead-free.
