Overview
The LTC2338IMS-18#PBF is a high-performance 18-bit successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for high-speed and high-precision applications, operating from a single 5V supply. It features fully differential inputs with a true bipolar input range of ±10.24V, making it ideal for applications requiring a wide dynamic range and high voltage handling.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 18 bits |
| Sample Rate | 1 Msps |
| Input Range | ±10.24V (true bipolar) |
| Signal-to-Noise Ratio (SNR) | 100 dB |
| Integral Nonlinearity (INL) | ±4 LSB max |
| Reference Voltage | 2.048V (temperature compensated) |
| Supply Voltage | 5V |
| Power Consumption | 50 mW (active), 300 μW (sleep mode) |
| Interface | SPI-compatible serial interface (1.8V, 2.5V, 3.3V, 5V logic) |
| Package | 16-Lead MSOP |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- Low noise and high speed operation with 1 Msps throughput and no cycle latency.
- On-board single-shot capable reference buffer with low drift (20 ppm/°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.
- Internal oscillator for setting conversion time, reducing external timing considerations.
- Low power consumption with automatic nap between conversions and a sleep mode for further power savings.
- No missing codes at 18 bits and ±4 LSB INL max.
Applications
The LTC2338IMS-18#PBF is suitable for a variety of high-speed and high-precision applications, including:
- Industrial automation and control systems.
- Medical devices requiring high accuracy and low noise.
- Aerospace and defense systems where high reliability and precision are critical.
- Test and measurement equipment.
- High-voltage applications such as power monitoring and control.
Q & A
- What is the resolution of the LTC2338IMS-18#PBF ADC? The resolution is 18 bits.
- What is the sample rate of the LTC2338IMS-18#PBF? The sample rate is 1 Msps.
- What is the input range of the LTC2338IMS-18#PBF? The input range is ±10.24V (true bipolar).
- What is the signal-to-noise ratio (SNR) of the LTC2338IMS-18#PBF? The SNR is 100 dB.
- What is the power consumption of the LTC2338IMS-18#PBF in active and sleep modes? The power consumption is 50 mW in active mode and 300 μW in sleep mode.
- What type of interface does the LTC2338IMS-18#PBF use? The LTC2338IMS-18#PBF uses a SPI-compatible serial interface.
- What is the operating temperature range of the LTC2338IMS-18#PBF? The operating temperature range is -40°C to 85°C.
- Does the LTC2338IMS-18#PBF have an internal oscillator? Yes, it has an internal oscillator for setting the conversion time.
- What is the package type of the LTC2338IMS-18#PBF? The package type is 16-Lead MSOP.
- Is the LTC2338IMS-18#PBF suitable for high-voltage applications? Yes, it is suitable for high-voltage applications due to its true bipolar input range.
