Overview
The LTC1419AISW#PBF is a 14-bit, 800ksps 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 ADC features a high dynamic range sample-and-hold circuit and a precision reference, ensuring accurate and reliable conversions. It operates from ±5V supplies, drawing only 150mW of power, and includes two digitally selectable power shutdown modes for flexibility in low power systems.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 800ksps |
| Conversion Time | 1µs |
| Input Range | ±2.5V |
| Signal-to-Noise Ratio (S/(N + D)) | 81.5dB at 100kHz input, 80dB at Nyquist input frequency of 400kHz |
| Total Harmonic Distortion (THD) | 93dB at 100kHz input, 86dB at Nyquist input frequency of 400kHz |
| Bandwidth | 20MHz |
| Common Mode Rejection | 60dB |
| Power Supply | ±5V |
| Power Consumption | 150mW |
| Package | 28-Lead SOIC (Wide 0.3 Inch) |
Key Features
- High Dynamic Range: The ADC offers outstanding AC performance with high signal-to-noise ratio and low total harmonic distortion.
- Precision Sample-and-Hold: The device includes a high dynamic range sample-and-hold circuit capable of acquiring single-ended or differential input signals up to 20MHz bandwidth.
- Low Power Consumption: Draws only 150mW from ±5V supplies and includes two digitally selectable power shutdown modes for low power systems.
- µP Compatible Output: Features a 14-bit parallel output port with no pipeline delay in the conversion results, and includes a separate convert start input and data ready signal (BUSY) for easy connections to FIFOs, DSPs, and microprocessors.
- Common Mode Rejection: Provides 60dB common mode rejection to eliminate ground loops and common mode noise by measuring signals differentially from the source.
Applications
- Industrial Automation: Suitable for high-precision data acquisition in industrial control systems.
- Medical Devices: Used in medical equipment requiring accurate and reliable data conversion.
- Aerospace and Defense: Employed in various military and aerospace applications where high dynamic range and precision are critical.
- Test and Measurement: Ideal for use in test and measurement instruments such as oscilloscopes and signal analyzers.
- Automotive Systems: Applied in automotive systems that require high-performance data conversion.
Q & A
- What is the resolution of the LTC1419AISW#PBF ADC?
The LTC1419AISW#PBF has a resolution of 14 bits.
- What is the sampling rate of the LTC1419AISW#PBF?
The sampling rate is 800ksps.
- What is the conversion time of the LTC1419AISW#PBF?
The conversion time is 1µs.
- What is the input range of the LTC1419AISW#PBF?
The input range is ±2.5V.
- What is the signal-to-noise ratio (S/(N + D)) of the LTC1419AISW#PBF?
The signal-to-noise ratio is 81.5dB at 100kHz input and 80dB at the Nyquist input frequency of 400kHz.
- What is the total harmonic distortion (THD) of the LTC1419AISW#PBF?
The total harmonic distortion is 93dB at 100kHz input and 86dB at the Nyquist input frequency of 400kHz.
- What is the bandwidth of the sample-and-hold circuit in the LTC1419AISW#PBF?
The bandwidth is 20MHz.
- What is the common mode rejection of the LTC1419AISW#PBF?
The common mode rejection is 60dB.
- What are the power supply requirements for the LTC1419AISW#PBF?
The device operates from ±5V supplies.
- What is the power consumption of the LTC1419AISW#PBF?
The power consumption is 150mW.
