Overview
The LTC1420IGN#TRPBF is a 12-bit, pipelined analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for high-speed data acquisition and offers a range of features that make it suitable for various applications. It operates at a sample rate of 10 Msps and can be powered by either a single 5V supply or dual ±5V supplies. The LTC1420 is known for its high dynamic range, precision reference, and flexible input circuitry, making it an ideal choice for demanding signal processing tasks.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Sample Rate | 10 Msps |
| Supply Voltage | Single 5V or dual ±5V |
| Power Dissipation | 250 mW |
| Input Range | ±2.048V, ±1.024V, ±0.512V (bipolar) |
| Integral Nonlinearity Error | <1 LSB |
| Differential Nonlinearity | <0.25 LSB |
| Common Mode Rejection Ratio (CMRR) | 75 dB |
| Full-Power Bandwidth | 100 MHz |
| Package Type | 28-Pin Narrow SSOP |
Key Features
- High dynamic range with 71 dB S/(N + D) and 83 dB SFDR at Nyquist frequency
- True differential inputs with 75 dB CMRR
- Digitally selectable 1x or 2x gain PGA input circuit
- Out-of-range indicator
- Separate output logic supply for direct connection to 3V components
- Internal temperature-compensated bandgap reference
- Flexible input circuitry with arbitrary common mode voltage
Applications
- Telecommunications
- Digital Signal Processing
- Multiplexed Data Acquisition Systems
- High Speed Data Acquisition
- Spectral Analysis
- Imaging Systems
Q & A
- What is the sample rate of the LTC1420?
The LTC1420 operates at a sample rate of 10 Msps. - What are the available supply voltage options for the LTC1420?
The LTC1420 can be powered by either a single 5V supply or dual ±5V supplies. - What is the resolution of the LTC1420?
The LTC1420 is a 12-bit ADC. - What are the input ranges available for the LTC1420?
The input ranges are ±2.048V, ±1.024V, and ±0.512V (bipolar). - What is the power dissipation of the LTC1420?
The power dissipation is 250 mW. - Does the LTC1420 have a built-in reference voltage?
Yes, the LTC1420 has an internal temperature-compensated bandgap reference. - What is the common mode rejection ratio (CMRR) of the LTC1420?
The CMRR is 75 dB. - Can the LTC1420 be used with single-ended or differential input signals?
Yes, the LTC1420 can acquire both single-ended and differential input signals. - What is the full-power bandwidth of the LTC1420?
The full-power bandwidth is 100 MHz. - What package type is the LTC1420 available in?
The LTC1420 is available in a 28-Pin Narrow SSOP package.
