Overview
The LTC2341-16, produced by Analog Devices Inc., is a 16-bit, low noise, dual-channel simultaneous sampling successive approximation register (SAR) analog-to-digital converter (ADC). This device operates from a single 5V supply and features differential inputs with a wide common mode range. The internal reference and buffer circuitry ensure accurate conversion results, and the SoftSpan™ interface allows for flexible, conversion-by-conversion control of the input voltage span on a per-channel basis. The LTC2341-16 is designed for applications requiring high precision, low noise, and wide dynamic range, making it an ideal choice for various industrial and embedded systems.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of Bits | 16 | |
| Number of Channels | 2 | |
| Sampling Rate | 666 kS/s | |
| Input Type | Differential | |
| Architecture | SAR | |
| Reference Type | Internal, External | |
| Voltage - Supply, Analog | 5V | |
| Voltage - Supply, Digital | 5V | |
| Data Interface | LVDS - Serial, SPI | |
| Operating Temperature | 0°C to 70°C (or -40°C to 85°C for I-grade) | |
| Package / Case | 32-QFN (5mm x 5mm x 0.75mm w/ EP) | |
| INL - Integral Nonlinearity | ±1.25 LSB | |
| SINAD - Signal to Noise and Distortion Ratio | 93.4 dB | |
| CMRR - Common Mode Rejection Ratio | 105 dB |
Key Features
- Simultaneous Sampling: Both channels sample simultaneously, ensuring synchronized data acquisition.
- Flexible Input Range: Each channel can be independently configured to accept ±4.096V, 0V to 4.096V, ±2.048V, or 0V to 2.048V signals on a conversion-by-conversion basis.
- Low Noise and High Accuracy: Features ±1.25 LSB INL, no missing codes at 16 bits, and 93.4 dB SNR.
- Wide Input Common Mode Range: Allows direct digitization of a variety of signals, simplifying signal chain design.
- Compact and Lightweight Design: 32-lead QFN package (5mm x 5mm x 0.75mm w/ EP).
- Pin-Selectable Interfaces: Supports SPI CMOS (1.8V to 5V) and LVDS serial interfaces.
- Long-Term Reliability Guaranteed: RoHS compliant and lead-free.
Applications
- Telecommunications: Suitable for high-speed data acquisition in telecommunications systems.
- Power Management: Used in power management systems requiring precise voltage monitoring.
- Sensor Networks: Ideal for sensor networks where simultaneous sampling and high accuracy are crucial.
- Industrial Automation: Applies to various industrial automation tasks that demand high precision and reliability.
Q & A
- What is the resolution of the LTC2341-16 ADC?
The LTC2341-16 has a resolution of 16 bits.
- How many channels does the LTC2341-16 ADC have?
The LTC2341-16 has two channels.
- What is the sampling rate of the LTC2341-16 ADC?
The sampling rate is 666 kS/s per channel.
- What type of input does the LTC2341-16 ADC support?
The LTC2341-16 supports differential inputs.
- What is the operating voltage range for the LTC2341-16 ADC?
The operating voltage is 5V for both analog and digital supplies.
- What interfaces does the LTC2341-16 ADC support?
The LTC2341-16 supports pin-selectable SPI CMOS (1.8V to 5V) and LVDS serial interfaces.
- What is the common mode rejection ratio (CMRR) of the LTC2341-16 ADC?
The CMRR is 105 dB.
- What is the signal to noise and distortion ratio (SINAD) of the LTC2341-16 ADC?
The SINAD is 93.4 dB.
- Is the LTC2341-16 RoHS compliant?
Yes, the LTC2341-16 is RoHS compliant and lead-free.
- What is the typical operating temperature range for the LTC2341-16 ADC?
The typical operating temperature range is 0°C to 70°C, with an extended range of -40°C to 85°C for the I-grade version.
