Overview
The LTC2328CMS-18#TRPBF is a high-performance, 18-bit successive approximation register (SAR) analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is designed for precision data acquisition applications, offering a unique combination of high speed, low power consumption, and high accuracy. It operates from a single 5V supply and features pseudo-differential inputs with a true bipolar input range of ±10.24V, making it ideal for applications requiring a wide dynamic range.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 18 bits |
| Sampling Rate | 1 MS/s |
| Input Type | Pseudo-Differential |
| Architecture | SAR (Successive Approximation Register) |
| Reference Type | Internal, External |
| Package / Case | 16-Lead MSOP (0.118", 3.00mm Width) |
| Operating Temperature | 0°C ~ 70°C (or -40°C ~ 125°C for some models) |
| Analog Supply Voltage | 5V |
| Digital Supply Voltage | 5V |
| Signal-to-Noise Ratio (SNR) | 95dB (typ) at f = 2kHz |
| Total Harmonic Distortion (THD) | 111dB (typ) at f = 2kHz |
| Integral Nonlinearity (INL) | ±5LSB (max) |
| Differential Nonlinearity (DNL) | 0.1 LSB |
| Power Dissipation | 50mW (typ), 300μW in sleep mode |
Key Features
- High-speed, low-power operation with 1 MS/s sampling rate.
- Pseudo-differential inputs with a true bipolar input range of ±10.24V.
- Onboard single-shot capable reference buffer with 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.
- No pipeline delay, no cycle latency.
- Internal conversion clock and sleep mode for reduced power consumption.
- Compact 16-lead MSOP package.
Applications
- Precision data acquisition systems.
- High-speed data acquisition.
- Portable or compact instrumentation.
- Industrial process control.
- Programmable logic controllers.
- Medical imaging and diagnostic equipment.
Q & A
- What is the resolution of the LTC2328CMS-18#TRPBF?
The resolution is 18 bits.
- What is the sampling rate of the LTC2328CMS-18#TRPBF?
The sampling rate is 1 MS/s.
- What type of inputs does the LTC2328CMS-18#TRPBF have?
The inputs are pseudo-differential.
- What is the operating temperature range of the LTC2328CMS-18#TRPBF?
The operating temperature range is 0°C ~ 70°C (or -40°C ~ 125°C for some models).
- What is the power dissipation of the LTC2328CMS-18#TRPBF?
The power dissipation is 50mW (typ), and 300μW in sleep mode.
- Does the LTC2328CMS-18#TRPBF have an internal reference buffer?
Yes, it has an onboard single-shot capable reference buffer with a low drift temperature compensated reference.
- What type of serial interface does the LTC2328CMS-18#TRPBF support?
The LTC2328CMS-18#TRPBF supports a high-speed SPI-compatible serial interface.
- Is the LTC2328CMS-18#TRPBF RoHS compliant?
Yes, the LTC2328CMS-18#TRPBF is RoHS compliant.
- What is the package type of the LTC2328CMS-18#TRPBF?
The package type is 16-lead MSOP.
- What are some typical applications of the LTC2328CMS-18#TRPBF?
Typical applications include precision data acquisition, high-speed data acquisition, portable or compact instrumentation, industrial process control, and medical imaging.
