Overview
The LTC2311IMSE-14#WTRPBF is a high-performance, 14-bit + sign successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the LTC2311 family and is known for its low noise, high speed, and wide input common mode range. It operates from a single 3.3V or 5V supply and features differential inputs, making it ideal for applications requiring a wide dynamic range with high common mode rejection.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Voltage (VDD) | 6 | V | |||
| Supply Voltage (OVDD) | 3 | V | |||
| Analog Input Voltage (AIN+, AIN–) | –0.3 | VDD + 0.3 | V | ||
| Differential Input Range | 8V P-P | V | |||
| Resolution | 14-bit + sign | ||||
| Sample Rate | 5 Msps | ||||
| Integral Nonlinearity (INL) | ±0.75 LSB | ||||
| Signal-to-Noise Ratio (SNR) | 80 dB | ||||
| Operating Temperature Range | –40°C | 85°C | °C | ||
| Power Dissipation | VDD = 5V | 50 mW | mW | ||
| Sleep Mode Power Consumption | VDD = 5V | 5 μW | μW |
Key Features
- Low noise, high speed 14-bit + sign SAR ADC with differential inputs and wide input common mode range.
- Operates from a single 3.3V or 5V supply.
- 8V P-P differential input range, ideal for applications requiring a wide dynamic range with high common mode rejection.
- Achieves ±0.75 LSB INL typical, no missing codes at 14 bits, and 80 dB SNR typical.
- Onboard low drift (20 ppm/°C max) 2.048V or 4.096V temperature compensated reference.
- External 1.25V buffered reference input available.
- High speed SPI-compatible serial interface supporting CMOS or LVDS logic.
- Fast 5 Msps throughput with one-cycle latency.
- Nap and sleep modes to reduce power consumption to 5 μW.
Applications
The LTC2311IMSE-14#WTRPBF is suited for a variety of high-speed applications that require precise and reliable analog-to-digital conversion. These include:
- Industrial automation and control systems.
- Medical devices requiring high accuracy and low noise.
- Aerospace and defense applications where reliability and precision are critical.
- Automotive systems, especially those requiring high-speed data acquisition.
- Test and measurement equipment.
Q & A
- What is the resolution of the LTC2311IMSE-14#WTRPBF?
The LTC2311IMSE-14#WTRPBF has a resolution of 14-bit + sign.
- What is the sample rate of the LTC2311IMSE-14#WTRPBF?
The sample rate is 5 Msps.
- What are the supply voltage options for the LTC2311IMSE-14#WTRPBF?
The device operates from a single 3.3V or 5V supply.
- What is the differential input range of the LTC2311IMSE-14#WTRPBF?
The differential input range is 8V P-P.
- What is the typical SNR of the LTC2311IMSE-14#WTRPBF?
The typical SNR is 80 dB.
- Does the LTC2311IMSE-14#WTRPBF have power-saving modes?
Yes, it has nap and sleep modes that reduce power consumption to 5 μW.
- What type of serial interface does the LTC2311IMSE-14#WTRPBF support?
The device supports a high-speed SPI-compatible serial interface with CMOS or LVDS logic.
- What is the operating temperature range of the LTC2311IMSE-14#WTRPBF?
The operating temperature range is –40°C to 85°C.
- Does the LTC2311IMSE-14#WTRPBF have an onboard reference?
Yes, it has an onboard low drift (20 ppm/°C max) 2.048V or 4.096V temperature compensated reference.
- What is the power dissipation of the LTC2311IMSE-14#WTRPBF at 5V supply?
The power dissipation is 50 mW at a 5V supply.
