Overview
The LTC2372IUH-16#TRPBF is a 16-bit, high-speed, 8-channel successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices, Inc. This component operates from a single 5V supply and is known for its low noise and high speed, making it suitable for a variety of precision data acquisition applications. The LTC2372IUH-16 features a highly configurable, low crosstalk 8-channel input multiplexer, supporting fully differential, pseudo-differential unipolar, and pseudo-differential bipolar analog input ranges.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | ADI (Analog Devices, Inc.) |
| Description | IC ADC 16BIT SRL/SPI 32QFN |
| Voltage - Supply, Digital | 5V |
| Voltage - Supply, Analog | 5V |
| Supplier Device Package | 32-QFN (5x5) |
| Sampling Rate (Per Second) | 500k |
| Reference Type | External, Internal |
| Ratio - S/H:ADC | 1:1 |
| Package / Case | 32-WFQFN Exposed Pad |
| Operating Temperature | -40°C ~ 85°C |
| Number of Inputs | 8 |
| Number of Bits | 16 |
| Number of A/D Converters | 1 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
| Input Type | Differential, Pseudo-Differential |
| Data Interface | SPI |
| Configuration | MUX-S/H-ADC |
| Architecture | SAR |
Key Features
- High-Speed Conversion: The LTC2372IUH-16 operates at a sampling rate of 500ksps, making it suitable for high-speed data acquisition applications.
- Low Noise and High Accuracy: Achieves ±1LSB INL (maximum) in all input ranges and no missing codes at 16 bits. It also offers 96dB (fully differential) and 93.5dB (pseudo-differential) SNR (typical).
- Configurable Input Multiplexer: Supports fully differential, pseudo-differential unipolar, and pseudo-differential bipolar analog input ranges with low crosstalk.
- Onboard Reference and Buffer: Features an onboard low drift (20ppm/°C max) 2.048V temperature-compensated reference and a single-shot capable reference buffer.
- Low Power Consumption: Dissipates only 27mW and automatically naps between conversions. A sleep mode reduces power consumption to 300μW during inactive periods.
- High Speed SPI Interface: Supports 1.8V, 2.5V, 3.3V, and 5V logic and includes a sequencer with a depth of 16.
Applications
The LTC2372IUH-16 is versatile and can be used in various applications, including:
- Industrial Automation: For precise measurement and control in industrial environments.
- Medical Devices: In medical equipment requiring high accuracy and low noise, such as ECG and EEG machines.
- Aerospace and Defense: For high-reliability data acquisition in aerospace and defense systems.
- Test and Measurement: In precision test and measurement instruments.
- Automotive Systems: For advanced driver-assistance systems (ADAS) and other automotive applications requiring high-speed and accurate data conversion.
Q & A
- What is the sampling rate of the LTC2372IUH-16?
The LTC2372IUH-16 operates at a sampling rate of 500ksps.
- What types of analog input ranges does the LTC2372IUH-16 support?
The LTC2372IUH-16 supports fully differential, pseudo-differential unipolar, and pseudo-differential bipolar analog input ranges.
- What is the power consumption of the LTC2372IUH-16 during active and sleep modes?
The LTC2372IUH-16 dissipates 27mW during active mode and reduces to 300μW in sleep mode).
- Does the LTC2372IUH-16 have an onboard reference?
Yes, the LTC2372IUH-16 features an onboard low drift (20ppm/°C max) 2.048V temperature-compensated reference).
- What is the operating temperature range of the LTC2372IUH-16?
The operating temperature range is -40°C to 85°C).
- Is the LTC2372IUH-16 RoHS compliant?
Yes, the LTC2372IUH-16 is lead-free and RoHS compliant).
- What is the data interface of the LTC2372IUH-16?
The LTC2372IUH-16 uses an SPI-compatible serial interface).
- How many input channels does the LTC2372IUH-16 have?
The LTC2372IUH-16 has 8 input channels).
- What is the resolution of the LTC2372IUH-16?
The LTC2372IUH-16 is a 16-bit ADC).
- What is the package type of the LTC2372IUH-16?
The LTC2372IUH-16 comes in a 32-WFQFN Exposed Pad package).
