Overview
The LTC2328IMS-18#TRPBF is a high-performance 18-bit successive approximation register (SAR) analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is designed for high-speed and low-noise applications, operating from a single 5V supply. It features pseudo-differential inputs with a true bipolar input range of ±10.24V, making it ideal for applications requiring a wide dynamic range.
The LTC2328-18 is part of a family of true bipolar, low power, and low noise ADCs that are well-suited for various high-speed applications due to their fast 1Msps throughput and no cycle latency.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 18 bits |
| Sampling Rate | 1 Msps |
| Input Range | ±10.24V true bipolar |
| Supply Voltage | Single 5V |
| Integral Non-Linearity (INL) | ±5LSB max |
| Signal-to-Noise Ratio (SNR) | 95dB (typ) at f = 2kHz |
| Total Harmonic Distortion (THD) | 111dB (typ) at f = 2kHz |
| Internal Reference | 2.048V, 20ppm/°C max |
| Serial Interface | SPI-compatible, 1.8V to 5V I/O voltages, daisy-chain mode |
| Power Dissipation | 50mW (typ), 300μW in sleep mode |
| Package | 16-Lead MSOP |
Key Features
- Low noise and high speed 18-bit SAR ADC with pseudo-differential inputs.
- True bipolar input range of ±10.24V, suitable for high voltage applications.
- No missing codes at 18 bits with ±5LSB INL maximum.
- 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.
- Fast 1Msps throughput with no cycle latency.
- Internal conversion clock and no pipeline delay.
- Low power dissipation: 50mW (typ) and 300μW in sleep mode.
Applications
- High speed data acquisition systems.
- Portable or compact instrumentation.
- Industrial process control.
- Programmable logic controllers.
- Other high-speed applications requiring low noise and high precision ADCs.
Q & A
- What is the resolution of the LTC2328IMS-18#TRPBF ADC?
The LTC2328IMS-18#TRPBF has a resolution of 18 bits.
- What is the sampling rate of the LTC2328IMS-18#TRPBF?
The sampling rate is 1 Msps.
- What is the input range of the LTC2328IMS-18#TRPBF?
The input range is ±10.24V true bipolar.
- What is the supply voltage for the LTC2328IMS-18#TRPBF?
The device operates from a single 5V supply.
- What is the signal-to-noise ratio (SNR) of the LTC2328IMS-18#TRPBF?
The SNR is 95dB (typ) at f = 2kHz.
- Does the LTC2328IMS-18#TRPBF have an internal reference?
Yes, it has an onboard single-shot capable reference buffer with a 2.048V temperature compensated reference.
- What type of serial interface does the LTC2328IMS-18#TRPBF support?
The device supports a high speed SPI-compatible serial interface with 1.8V to 5V I/O voltages and daisy-chain mode.
- How much power does the LTC2328IMS-18#TRPBF dissipate?
The power dissipation is 50mW (typ), and it reduces to 300μW in sleep mode.
- In what package is the LTC2328IMS-18#TRPBF available?
The device is available in a 16-Lead MSOP package.
- What are some typical applications for the LTC2328IMS-18#TRPBF?
Typical applications include high speed data acquisition, portable or compact instrumentation, industrial process control, and programmable logic controllers.
