Overview
The LTC2389HLX-16, produced by Analog Devices Inc., is a high-performance, 16-bit successive approximation register (SAR) analog-to-digital converter (ADC). This device is renowned for its low noise and high speed, operating at a throughput rate of 2.5 million samples per second (Msps). It is powered by a single 5V supply and features pin-configurable analog input ranges, making it versatile for various signal chain formats without the need for additional level translation or signal conditioning.
Key Specifications
| Parameter | Specification |
|---|---|
| Resolution | 16 bits |
| Sampling Rate | 2.5 Msps |
| Supply Voltage | 5V |
| Analog Input Range | ±4.096V (fully differential), 0V to 4.096V (pseudo-differential unipolar), ±2.048V (pseudo-differential bipolar) |
| Signal-to-Noise Ratio (SNR) | 96.0 dB (fully differential), 93.5 dB (pseudo differential) |
| Integral Nonlinearity (INL) | ±1 LSB (maximum) |
| Power Consumption | 162.5 mW at 2.5 Msps |
| Package | 48-LQFP |
Key Features
- Pin-configurable analog input ranges: fully differential (±4.096V), pseudo-differential unipolar (0V to 4.096V), and pseudo-differential bipolar (±2.048V)
- High speed throughput of 2.5 Msps with no cycle latency in parallel interface modes
- Low noise performance with 96.0 dB SNR (fully differential) and 93.5 dB SNR (pseudo differential)
- Guaranteed 16-bit resolution with no missing codes and ±1 LSB INL (maximum)
- Internal precision 4.096V reference with 0.5% initial accuracy and ±20 ppm/°C temperature coefficient
- Low power consumption with nap and sleep power-down modes
- Internal oscillator for conversion timing, reducing external timing considerations
Applications
The LTC2389HLX-16 is ideally suited for a wide range of high-speed applications, including:
- High-speed data acquisition systems
- Medical imaging and diagnostic equipment
- Industrial process control and automation
- Aerospace and defense systems
- Test and measurement instruments
Q & A
- What is the resolution of the LTC2389HLX-16 ADC?
The LTC2389HLX-16 has a resolution of 16 bits.
- What is the sampling rate of the LTC2389HLX-16?
The sampling rate is 2.5 million samples per second (Msps).
- What are the available analog input ranges for the LTC2389HLX-16?
The device supports pin-configurable analog input ranges: ±4.096V (fully differential), 0V to 4.096V (pseudo-differential unipolar), and ±2.048V (pseudo-differential bipolar).
- What is the signal-to-noise ratio (SNR) of the LTC2389HLX-16?
The SNR is 96.0 dB for fully differential inputs and 93.5 dB for pseudo-differential inputs.
- Does the LTC2389HLX-16 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 LTC2389HLX-16 consume at 2.5 Msps?
The device consumes 162.5 mW at 2.5 Msps.
- What package type is the LTC2389HLX-16 available in?
The device is available in a 48-LQFP package.
- Does the LTC2389HLX-16 support power-down modes?
Yes, it supports nap and sleep power-down modes to reduce power consumption during inactive periods.
- What is the integral nonlinearity (INL) of the LTC2389HLX-16?
The INL is ±1 LSB (maximum).
- Is there an internal oscillator for conversion timing in the LTC2389HLX-16?
Yes, the device includes an internal oscillator to set the conversion time, easing external timing considerations.
