Overview
The LTC2328CMS-18#PBF 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.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 18 bits |
| Sampling Rate | 1 Msps |
| Input Range | ±10.24V true bipolar |
| Input Type | Pseudo-differential |
| Signal-to-Noise Ratio (SNR) | 95 dB (typ) at f = 2 kHz |
| Total Harmonic Distortion (THD) | 111 dB (typ) at f = 2 kHz |
| Integral Non-Linearity (INL) | ±5 LSB max |
| Reference Voltage | 2.048V internal, low drift (20 ppm/°C max) |
| Supply Voltage | Single 5V |
| Power Dissipation | 50 mW (typ), 300 μW in sleep mode |
| Interface | SPI-compatible serial interface, 1.8V to 5V I/O voltages, daisy-chain mode |
| Package | 16-Lead MSOP |
| Operating Temperature Range | 0°C to 125°C |
Key Features
- Low noise and high speed operation with 1 Msps throughput and no cycle latency.
- Onboard single-shot capable reference buffer with low drift (20 ppm/°C max) 2.048V internal reference.
- High speed SPI-compatible serial interface supporting 1.8V, 2.5V, 3.3V, and 5V logic with daisy-chain mode.
- Internal conversion clock and no pipeline delay.
- Low power consumption with automatic nap between conversions and a sleep mode reducing power to 300 μW.
- Compact 16-Lead MSOP package.
Applications
- High speed data acquisition systems.
- Industrial process control.
- Programmable logic controllers.
- Portable or compact instrumentation.
- Automated test equipment (ATE).
Q & A
- What is the resolution of the LTC2328CMS-18#PBF ADC?
The LTC2328CMS-18#PBF has a resolution of 18 bits. - What is the sampling rate of the LTC2328CMS-18#PBF?
The sampling rate is 1 Msps. - What is the input range of the LTC2328CMS-18#PBF?
The input range is ±10.24V true bipolar. - What type of input does the LTC2328CMS-18#PBF have?
The input type is pseudo-differential. - What is the signal-to-noise ratio (SNR) of the LTC2328CMS-18#PBF?
The SNR is 95 dB (typ) at f = 2 kHz. - What is the total harmonic distortion (THD) of the LTC2328CMS-18#PBF?
The THD is 111 dB (typ) at f = 2 kHz. - What is the integral non-linearity (INL) of the LTC2328CMS-18#PBF?
The INL is ±5 LSB max. - What is the reference voltage of the LTC2328CMS-18#PBF?
The reference voltage is 2.048V internal with low drift (20 ppm/°C max). - What is the power dissipation of the LTC2328CMS-18#PBF?
The power dissipation is 50 mW (typ), and it reduces to 300 μW in sleep mode. - What interface does the LTC2328CMS-18#PBF use?
The LTC2328CMS-18#PBF uses a SPI-compatible serial interface supporting 1.8V to 5V I/O voltages with daisy-chain mode.
