Overview
The LTC2389-16#PBF, produced by Analog Devices Inc., is a high-performance 16-bit successive approximation register (SAR) analog-to-digital converter (ADC). This device is designed for low noise and high-speed 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 LQFP (7mm x 7mm) |
Key Features
- High-speed conversion with 2.5 Msps throughput and no cycle latency in parallel interface modes.
- Pin-configurable analog input ranges to support various signal formats.
- Precision internal 4.096V reference with 0.5% initial accuracy and ±20 ppm/°C temperature coefficient.
- Internal reference buffer and oscillator for simplified external timing.
- Low power consumption with 162.5 mW at 2.5 Msps and power-down modes (nap and sleep) to reduce power during inactive periods.
- No missing codes at 16 bits and high SNR of 96.0 dB (fully differential) and 93.5 dB (pseudo differential).
Applications
The LTC2389-16#PBF is ideally suited for a wide variety of high-speed applications, including:
- High-speed data acquisition systems.
- Medical imaging and diagnostic equipment.
- Industrial control and automation systems.
- Aerospace and defense applications requiring high precision and speed.
- Test and measurement instruments.
Q & A
- What is the resolution of the LTC2389-16#PBF ADC?
The LTC2389-16#PBF has a resolution of 16 bits.
- What are the supported analog input ranges for the LTC2389-16#PBF?
The device supports fully differential (±4.096V), pseudo-differential unipolar (0V to 4.096V), and pseudo-differential bipolar (±2.048V) analog input ranges.
- What is the sampling rate of the LTC2389-16#PBF?
The sampling rate is 2.5 Msps.
- What is the signal-to-noise ratio (SNR) of the LTC2389-16#PBF?
The SNR is 96.0 dB for fully differential inputs and 93.5 dB for pseudo-differential inputs.
- Does the LTC2389-16#PBF have an internal reference?
Yes, it includes a precision internal 4.096V reference with 0.5% initial accuracy and ±20 ppm/°C temperature coefficient.
- What is the power consumption of the LTC2389-16#PBF at 2.5 Msps?
The power consumption is 162.5 mW at 2.5 Msps.
- What package options are available for the LTC2389-16#PBF?
The device is available in a 48-Lead LQFP (7mm x 7mm) package.
- Does the LTC2389-16#PBF have power-down modes?
Yes, it has nap and sleep power-down modes to reduce power consumption during inactive periods.
- What are some typical applications for the LTC2389-16#PBF?
Typical applications include high-speed data acquisition systems, medical imaging, industrial control, aerospace and defense, and test and measurement instruments.
- Is the LTC2389-16#PBF suitable for high-speed applications?
Yes, it is designed for high-speed applications with fast 2.5 Msps throughput and no cycle latency in parallel interface modes.
