Overview
The LTC1419ACG#TRPBF is a 14-bit, 800ksps (kilosamples per second) sampling analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is known for its high dynamic range, precision, and low power consumption, making it suitable for a variety of applications requiring high-performance data conversion. The LTC1419 features a high dynamic range sample-and-hold circuit and a precision reference, along with two digitally selectable power shutdown modes for flexibility in low power systems.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 14 |
| Sampling Rate | 800 ksps |
| Full-Scale Input Range | ±2.5V |
| Power Supply | ±5V |
| Power Consumption | 150 mW |
| Signal-to-Noise Ratio (S/(N + D)) | 81.5 dB at 100 kHz input, 80 dB at Nyquist input frequency of 400 kHz |
| Total Harmonic Distortion (THD) | 93 dB at 100 kHz input, 86 dB at Nyquist input frequency of 400 kHz |
| Common Mode Rejection Ratio | 60 dB |
| Input Bandwidth | Up to 20 MHz |
| Output Interface | µP compatible, 14-bit parallel output port |
| Package | 28-Lead SSOP |
Key Features
- High dynamic range sample-and-hold circuit with a precision reference.
- Two digitally selectable power shutdown modes for low power systems.
- Differential input capability to acquire single-ended or differential input signals up to 20 MHz bandwidth.
- 60 dB common mode rejection to eliminate ground loops and common mode noise.
- µP compatible, 14-bit parallel output port with no pipeline delay in conversion results.
- A separate convert start input and data ready signal (BUSY) for easy connections to FIFOs, DSPs, and microprocessors.
Applications
The LTC1419 is versatile and can be used in various applications requiring high-speed and high-precision analog-to-digital conversion. Some common applications include:
- Industrial control systems.
- Medical imaging and diagnostics.
- Aerospace and defense systems.
- Automotive systems requiring high-speed data acquisition.
- Test and measurement equipment.
Q & A
- What is the sampling rate of the LTC1419?
The LTC1419 has a sampling rate of 800 ksps (kilosamples per second). - What is the full-scale input range of the LTC1419?
The full-scale input range of the LTC1419 is ±2.5V. - How much power does the LTC1419 consume?
The LTC1419 consumes 150 mW from ±5V supplies. - What is the signal-to-noise ratio (S/(N + D)) of the LTC1419?
The signal-to-noise ratio is 81.5 dB at a 100 kHz input and 80 dB at the Nyquist input frequency of 400 kHz. - What is the total harmonic distortion (THD) of the LTC1419?
The total harmonic distortion is 93 dB at a 100 kHz input and 86 dB at the Nyquist input frequency of 400 kHz. - What is the common mode rejection ratio of the LTC1419?
The common mode rejection ratio is 60 dB. - What is the input bandwidth of the LTC1419?
The input bandwidth is up to 20 MHz. - What type of output interface does the LTC1419 have?
The LTC1419 has a µP compatible, 14-bit parallel output port. - Does the LTC1419 have any pipeline delay in conversion results?
No, there is no pipeline delay in the conversion results. - How can the LTC1419 be connected to other devices like FIFOs, DSPs, and microprocessors?
The LTC1419 has a separate convert start input and data ready signal (BUSY) for easy connections to FIFOs, DSPs, and microprocessors.
