Overview
The LTC2391-16, produced by Analog Devices Inc., is a high-performance, 16-bit successive approximation register (SAR) analog-to-digital converter (ADC). This device operates from a single 5V supply and is designed for applications requiring high speed and low noise. It features a large ±4.096V fully differential input range, making it ideal for high dynamic range applications. The LTC2391-16 is known for its precision, achieving ±2LSB INL max and no missing codes at 16 bits, along with a signal-to-noise ratio (SNR) of 94dB typical.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 16 bits |
| Sampling Rate | 250 ksps |
| Input Range | ±4.096V (fully differential) |
| Signal-to-Noise Ratio (SNR) | 94 dB (typical) |
| Integral Nonlinearity (INL) | ±2 LSB max |
| Internal Reference Accuracy | 0.5% initial accuracy, ±20 ppm/°C temperature coefficient |
| Power Supply | Single 5V supply |
| Power Consumption | 95 mW at 250 ksps |
| Package Options | 48-Lead LQFP (7mm x 7mm), 48-Lead QFN (7mm x 7mm x 0.75mm w/ EP) |
| Interface Modes | Parallel and serial |
Key Features
- High-speed conversion with 250 ksps throughput and no cycle latency in both parallel and serial interface modes.
- Precision internal reference with 0.5% initial accuracy and a ±20 ppm/°C temperature coefficient.
- Low power consumption of 95 mW at 250 ksps, with nap and sleep power-down modes to reduce power during inactive periods.
- Internal oscillator for setting the conversion time, simplifying external timing considerations.
- Ideal for high dynamic range applications due to its large ±4.096V fully differential input range.
Applications
The LTC2391-16 is suited for a wide range of high-performance applications, including:
- Communications
- Industrial automation
- Instrumentation and measurement
- Aerospace and defense
- Motor and power control
- Healthcare
Q & A
- What is the resolution of the LTC2391-16 ADC? The LTC2391-16 has a resolution of 16 bits.
- What is the sampling rate of the LTC2391-16? The sampling rate is 250 ksps.
- What is the input range of the LTC2391-16? The input range is ±4.096V (fully differential).
- What is the signal-to-noise ratio (SNR) of the LTC2391-16? The SNR is 94 dB (typical).
- What is the integral nonlinearity (INL) of the LTC2391-16? The INL is ±2 LSB max.
- Does the LTC2391-16 have an internal reference? Yes, it includes a precision internal reference with 0.5% initial accuracy and a ±20 ppm/°C temperature coefficient.
- What are the power supply requirements for the LTC2391-16? It operates from a single 5V supply.
- How much power does the LTC2391-16 consume at 250 ksps? It consumes 95 mW at 250 ksps.
- What are the available package options for the LTC2391-16? The available packages are 48-Lead LQFP (7mm x 7mm) and 48-Lead QFN (7mm x 7mm x 0.75mm w/ EP).
- Does the LTC2391-16 support both parallel and serial interface modes? Yes, it supports both parallel and serial interface modes with no cycle latency.
