Overview
The LTC2372-16 is a high-performance, 16-bit successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates from a single 5V supply and features an 8-channel input multiplexer with highly configurable and low crosstalk inputs. It supports fully differential, pseudo-differential unipolar, and pseudo-differential bipolar analog input ranges. The LTC2372-16 is known for its low noise, high speed, and precision, making it suitable for a variety of applications requiring accurate and reliable analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Sample Rate | 500 ksps |
| Number of Channels | 8 |
| Input Range | Fully differential, pseudo-differential unipolar, pseudo-differential bipolar |
| SNR (Typical) | 96 dB (fully differential), 93.5 dB (pseudo-differential) |
| INL (Maximum) | ±1 LSB |
| Reference Voltage | 2.048V (temperature-compensated) |
| Supply Voltage | 5V |
| Power Consumption | 27 mW (active), 300 μW (sleep mode) |
| Package | 32-Lead QFN (5mm x 5mm x 0.75mm) |
| Interface | SPI-compatible serial interface (1.8V, 2.5V, 3.3V, 5V logic) |
Key Features
- Highly configurable 8-channel input multiplexer with low crosstalk.
- Supports fully differential, pseudo-differential unipolar, and pseudo-differential bipolar analog input ranges.
- Low noise operation with 96 dB SNR (fully differential) and 93.5 dB SNR (pseudo-differential).
- High speed SPI-compatible serial interface supporting multiple logic levels.
- Onboard low drift (20 ppm/°C max) 2.048V temperature-compensated reference and a single-shot capable reference buffer.
- Low power consumption with automatic nap mode between conversions and a sleep mode for further power savings.
- Internal oscillator for setting conversion time, reducing external timing considerations.
Applications
The LTC2372-16 is versatile and can be used in various applications that require high-precision and high-speed analog-to-digital conversion. Some typical applications include:
- Industrial automation and control systems.
- Medical devices and diagnostic equipment.
- Aerospace and defense systems.
- Automotive systems, especially those requiring precise sensor data.
- Test and measurement equipment.
Q & A
- What is the resolution of the LTC2372-16 ADC?
The LTC2372-16 has a resolution of 16 bits. - What is the maximum sample rate of the LTC2372-16?
The maximum sample rate is 500 ksps. - How many input channels does the LTC2372-16 have?
The LTC2372-16 has 8 input channels. - What types of input ranges are supported by the LTC2372-16?
The device supports fully differential, pseudo-differential unipolar, and pseudo-differential bipolar analog input ranges. - What is the typical SNR of the LTC2372-16?
The typical SNR is 96 dB (fully differential) and 93.5 dB (pseudo-differential). - What is the maximum INL of the LTC2372-16?
The maximum INL is ±1 LSB. - What is the reference voltage of the LTC2372-16?
The reference voltage is 2.048V, which is temperature-compensated. - What is the power consumption of the LTC2372-16 in active and sleep modes?
The power consumption is 27 mW in active mode and 300 μW in sleep mode. - What type of package does the LTC2372-16 come in?
The LTC2372-16 comes in a 32-Lead QFN package (5mm x 5mm x 0.75mm). - What interface does the LTC2372-16 use for communication?
The device uses a SPI-compatible serial interface that supports 1.8V, 2.5V, 3.3V, and 5V logic levels.
