Overview
The LTC2389IUK-16#PBF is a high-performance, 16-bit successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for high-speed and low-noise applications, operating from a single 5V supply. It supports multiple analog input ranges, including fully differential (±4.096V), pseudo-differential unipolar (0V to 4.096V), and pseudo-differential bipolar (±2.048V), making it versatile for various signal chain formats without the need for additional level translation or signal conditioning.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Sampling Rate | 2.5 Msps |
| Analog Input Range | Fully differential (±4.096V), pseudo-differential unipolar (0V to 4.096V), pseudo-differential bipolar (±2.048V) |
| Signal-to-Noise Ratio (SNR) | 96.0 dB (fully differential), 93.5 dB (pseudo differential) |
| Integral Nonlinearity (INL) | ±1 LSB (maximum) |
| Internal Reference | 4.096V, 0.5% initial accuracy, ±20 ppm/°C temperature coefficient |
| Power Supply | Single 5V supply |
| Power Consumption | 162.5 mW at 2.5 Msps |
| Package | 48-Lead QFN (7mm x 7mm x 0.75mm w/ EP) |
Key Features
- High-speed conversion with 2.5 Msps throughput and no cycle latency in parallel interface modes
- Low noise and high accuracy with ±1 LSB INL and no missing codes at 16 bits
- Pin-configurable analog input ranges for flexibility in different signal chain formats
- Internal precision reference and reference buffer for reliable operation
- Low power consumption with nap and sleep power-down modes
- Internal oscillator for setting conversion time, simplifying external timing considerations
Applications
The LTC2389IUK-16#PBF is ideally suited for a wide variety of high-speed applications, including but not limited to:
- High-speed data acquisition systems
- Medical imaging and diagnostics
- Aerospace and defense systems
- Industrial automation and control systems
- Test and measurement equipment
Q & A
- What is the resolution of the LTC2389IUK-16#PBF ADC?
The resolution is 16 bits. - What is the maximum sampling rate of the LTC2389IUK-16#PBF?
The maximum sampling rate is 2.5 Msps. - What are the available analog input ranges for the LTC2389IUK-16#PBF?
The available ranges are fully differential (±4.096V), pseudo-differential unipolar (0V to 4.096V), and pseudo-differential bipolar (±2.048V). - What is the signal-to-noise ratio (SNR) of the LTC2389IUK-16#PBF?
The SNR is 96.0 dB for fully differential and 93.5 dB for pseudo-differential inputs. - Does the LTC2389IUK-16#PBF have an internal reference?
Yes, it includes a precision internal 4.096V reference with 0.5% initial accuracy and a ±20 ppm/°C temperature coefficient. - How much power does the LTC2389IUK-16#PBF consume at 2.5 Msps?
The power consumption is 162.5 mW at 2.5 Msps. - What package options are available for the LTC2389IUK-16#PBF?
The device is available in a 48-Lead QFN (7mm x 7mm x 0.75mm w/ EP) package. - Does the LTC2389IUK-16#PBF support power-down modes?
Yes, it supports nap and sleep power-down modes to reduce power consumption during inactive periods. - Is an external oscillator required for the LTC2389IUK-16#PBF?
No, an internal oscillator sets the conversion time, easing external timing considerations. - What are some typical applications of the LTC2389IUK-16#PBF?
Typical applications include high-speed data acquisition systems, medical imaging, aerospace and defense systems, industrial automation, and test and measurement equipment.
