Overview
The LTC2389ILX-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 known for its low noise, high speed, and versatility in handling various analog input ranges. It operates from a single 5V supply and supports pin-configurable fully differential, pseudo-differential unipolar, and pseudo-differential bipolar analog input ranges, making it suitable for a wide range of high-speed applications without the need for additional level translation or signal conditioning.
Key Specifications
| Specification | 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) |
| Supply Voltage | 5V |
| Internal Reference | 4.096V with 0.5% initial accuracy and ±20ppm/°C temperature coefficient |
| Signal-to-Noise Ratio (SNR) | 96.0dB (fully differential), 93.5dB (pseudo differential) |
| Integral Nonlinearity (INL) | ±1LSB (maximum) |
| Power Consumption | 162.5mW at 2.5Msps |
| Package | 48-Lead LQFP (7mm x 7mm) |
| Operating Temperature | Varies by grade (e.g., LTC2389ILX for industrial temperature range) |
Key Features
- High speed with 2.5Msps throughput and no cycle latency in parallel interface modes.
- Low noise performance with 96.0dB SNR in fully differential mode and 93.5dB SNR in pseudo-differential mode.
- Pin-configurable analog input ranges to support multiple signal chain formats.
- Internal precision 4.096V reference with high accuracy and low temperature coefficient.
- Low power consumption with nap and sleep power-down modes to reduce power during inactive periods.
- Internal oscillator for setting conversion time, simplifying external timing considerations.
Applications
The LTC2389ILX-16#PBF is ideally suited for a variety of high-speed applications, including:
- Medical imaging and diagnostics.
- Industrial process control and automation.
- Aerospace and defense systems.
- High-speed data acquisition systems.
- Test and measurement equipment.
Q & A
- What is the resolution of the LTC2389ILX-16#PBF ADC?
The LTC2389ILX-16#PBF has a resolution of 16 bits. - What are the supported analog input ranges for this ADC?
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 LTC2389ILX-16#PBF?
The sampling rate is 2.5 Msps. - What is the supply voltage for this ADC?
The device operates from a single 5V supply. - Does the LTC2389ILX-16#PBF have an internal reference?
Yes, it includes a precision internal 4.096V reference. - What is the signal-to-noise ratio (SNR) of this ADC?
The SNR is 96.0dB in fully differential mode and 93.5dB in pseudo-differential mode. - How much power does the LTC2389ILX-16#PBF consume at 2.5Msps?
The power consumption is 162.5mW at 2.5Msps. - What are the power-down modes available for this ADC?
The device has nap and sleep power-down modes to reduce power consumption during inactive periods. - What package options are available for the LTC2389ILX-16#PBF?
The device is available in a 48-Lead LQFP (7mm x 7mm) package. - What are some typical applications for the LTC2389ILX-16#PBF?
Typical applications include medical imaging, industrial process control, aerospace and defense systems, high-speed data acquisition, and test and measurement equipment.
