Overview
The LTC2337CMS-18#PBF is an 18-bit successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for high-speed and low-noise applications, operating from a single 5V supply. It features fully differential inputs with a true bipolar input range of ±10.24V, making it ideal for applications requiring a wide dynamic range. The ADC achieves high accuracy with ±4LSB INL maximum and no missing codes at 18 bits, along with a signal-to-noise ratio (SNR) of 100dB.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 18 bits |
| Sampling Rate | 500 ksamples/s |
| Input Range | ±10.24V true bipolar |
| Supply Voltage | 5V |
| INL (Integral Nonlinearity) | ±4LSB maximum |
| SNR (Signal-to-Noise Ratio) | 100dB |
| Reference Voltage | 2.048V (temperature-compensated) |
| Interface | SPI-compatible serial interface (1.8V, 2.5V, 3.3V, 5V logic) |
| Power Consumption | 35mW |
| Package | 16-MSOP |
Key Features
- Fully differential inputs to maximize signal swing and provide ESD protection.
- Onboard single-shot capable reference buffer and low drift (20ppm/°C max) 2.048V temperature-compensated reference.
- High-speed SPI-compatible serial interface supporting 1.8V, 2.5V, 3.3V, and 5V logic, with daisy-chain mode.
- Fast 500ksps throughput with no cycle latency, making it suitable for high-speed applications.
- Internal oscillator for setting conversion time, simplifying external timing considerations.
- Low power consumption of 35mW and automatic nap mode between conversions.
Applications
- High-voltage applications requiring a wide dynamic range, such as industrial control systems and medical devices.
- High-speed data acquisition systems, including test and measurement equipment.
- Aerospace and defense applications where high accuracy and reliability are crucial.
- Automotive systems that require robust and high-performance ADCs).
Q & A
- What is the resolution of the LTC2337CMS-18#PBF ADC?
The LTC2337CMS-18#PBF has an 18-bit resolution.
- What is the sampling rate of the LTC2337CMS-18#PBF?
The sampling rate is 500 ksamples/s.
- What is the input range of the LTC2337CMS-18#PBF?
The input range is ±10.24V true bipolar.
- What is the supply voltage for the LTC2337CMS-18#PBF?
The supply voltage is 5V.
- What is the signal-to-noise ratio (SNR) of the LTC2337CMS-18#PBF?
The SNR is 100dB.
- Does the LTC2337CMS-18#PBF have an onboard reference buffer?
Yes, it has an onboard single-shot capable reference buffer and a low drift 2.048V temperature-compensated reference.
- What type of interface does the LTC2337CMS-18#PBF use?
The LTC2337CMS-18#PBF uses a high-speed SPI-compatible serial interface supporting 1.8V, 2.5V, 3.3V, and 5V logic.
- What is the power consumption of the LTC2337CMS-18#PBF?
The power consumption is 35mW.
- What package type is the LTC2337CMS-18#PBF available in?
The LTC2337CMS-18#PBF is available in a 16-MSOP package.
- What are some typical applications for the LTC2337CMS-18#PBF?
Typical applications include high-voltage industrial control systems, high-speed data acquisition systems, aerospace and defense, and automotive systems.
