Overview
The LTC2335ILX-16, produced by Analog Devices Inc., is a 16-bit, low noise, 8-channel multiplexed successive approximation register (SAR) analog-to-digital converter (ADC). This device is part of the LTC2335 family and is known for its high precision and flexibility. It operates from a 5V low voltage supply and features flexible high voltage supplies, allowing it to accept a variety of input voltage ranges on a conversion-by-conversion basis. The ADC includes an internal 2.048V reference and a 2× buffer, which simplify its operation and enhance its signal-to-noise ratio (SNR).
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 16-bit | |
| Number of Channels | 8 | |
| Sample Rate | 1 Msps | |
| Input Voltage Range | ±10.24V, 0V to 10.24V, ±5.12V, 0V to 5.12V | V |
| Supply Voltage (VDD) | 4.75 to 5.25 | V |
| Supply Current (IVDD) | 15.3 mA (typical at 1 Msps, 8 channels enabled) | mA |
| Integral Nonlinearity (INL) | ±1 LSB | LSB |
| Signal-to-Noise Ratio (SNR) | 94.4 dB | dB |
| Common Mode Rejection Ratio (CMRR) | 118 dB | dB |
| Operating Temperature Range | -40°C to 85°C (I-Grade) | °C |
| Package | 48-Lead LQFP (7mm x 7mm) |
Key Features
- Flexible Input Voltage Ranges: Each channel can be configured on a conversion-by-conversion basis to accept various input voltage ranges.
- Low Noise and High Precision: The ADC features low noise and high precision with ±1 LSB INL and no missing codes at 16 bits.
- Wide Input Common Mode Range: The ADC can directly digitize a variety of signals due to its wide input common mode range and high CMRR.
- Internal Reference and Buffer: Includes an internal 2.048V reference and a 2× buffer for simplified operation and enhanced SNR.
- Pin-Selectable SPI CMOS and LVDS Interfaces: Supports both SPI CMOS (1.8V to 5V) and LVDS serial interfaces.
Applications
The LTC2335ILX-16 is ideal for various high voltage applications that require wide dynamic range and high precision. These include:
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Automotive systems
- High voltage measurement and monitoring systems
Q & A
- What is the resolution of the LTC2335ILX-16 ADC?
The LTC2335ILX-16 has a resolution of 16 bits.
- How many channels does the LTC2335ILX-16 ADC have?
The LTC2335ILX-16 has 8 channels.
- What are the input voltage ranges supported by the LTC2335ILX-16?
The ADC supports input voltage ranges of ±10.24V, 0V to 10.24V, ±5.12V, and 0V to 5.12V.
- What is the sample rate of the LTC2335ILX-16?
The sample rate is 1 Msps.
- What is the typical supply current of the LTC2335ILX-16?
The typical supply current is 15.3 mA at 1 Msps with 8 channels enabled.
- What is the integral nonlinearity (INL) of the LTC2335ILX-16?
The INL is ±1 LSB.
- What is the signal-to-noise ratio (SNR) of the LTC2335ILX-16?
The SNR is 94.4 dB.
- What is the common mode rejection ratio (CMRR) of the LTC2335ILX-16?
The CMRR is 118 dB.
- What are the supported serial interfaces for the LTC2335ILX-16?
The ADC supports pin-selectable SPI CMOS (1.8V to 5V) and LVDS serial interfaces.
- What is the operating temperature range for the I-Grade LTC2335ILX-16?
The operating temperature range is -40°C to 85°C.
