Overview
The MAX11902ETP+ is a 18-bit, 1Msps (mega-samples per second), single-channel, fully differential Successive Approximation Register (SAR) Analog-to-Digital Converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This ADC is designed to offer excellent static and dynamic performance with low power consumption, making it suitable for a variety of applications requiring high precision and efficiency.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 18 bits |
| Sampling Rate | 1 Msps |
| Number of Channels | Single-channel |
| Input Type | Fully differential |
| Reference Input Range | Unipolar differential ±VREF |
| Supply Voltages | 1.7V to 1.9V (analog), 1.7V to 1.9V (digital), 2.5V to 3.6V (digital interface) |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 20-pin, 4mm x 4mm TQFN |
| Communication Interface | SPI-compatible serial interface |
| SNR (Signal-to-Noise Ratio) | Typically 95.6 dB |
| THD (Total Harmonic Distortion) | Typically -115 dB |
| INL (Integral Non-Linearity) | 0.5 LSB (max) |
Key Features
- High resolution of 18 bits with no missing codes.
- Low power consumption that scales with throughput.
- Internal reference buffer to minimize board space and system cost.
- Internal oscillator for driving the conversion process.
- Excellent static and dynamic performance, including high SNR and low THD.
- SPI-compatible serial interface for data communication.
- Compact 20-pin TQFN package.
Applications
The MAX11902ETP+ is suitable for various applications that require high precision and low power consumption, such as:
- Industrial automation and control systems.
- Medical devices, including diagnostic equipment and patient monitoring systems.
- Aerospace and defense systems requiring high accuracy and reliability.
- Automotive systems, particularly in advanced driver-assistance systems (ADAS) and autonomous vehicles.
- Test and measurement equipment.
Q & A
- What is the resolution of the MAX11902ETP+ ADC?
The MAX11902ETP+ has a resolution of 18 bits. - What is the sampling rate of the MAX11902ETP+?
The sampling rate is 1 Msps (mega-samples per second). - What type of input does the MAX11902ETP+ support?
The MAX11902ETP+ supports fully differential inputs. - What are the supply voltage ranges for the MAX11902ETP+?
The supply voltages range from 1.7V to 1.9V for both analog and digital supplies, and 2.5V to 3.6V for the digital interface. - What is the operating temperature range of the MAX11902ETP+?
The operating temperature range is -40°C to +85°C. - What type of package does the MAX11902ETP+ come in?
The MAX11902ETP+ is packaged in a 20-pin, 4mm x 4mm TQFN package. - How does the MAX11902ETP+ communicate data?
The MAX11902ETP+ communicates data using a SPI-compatible serial interface. - What are the typical SNR and THD values for the MAX11902ETP+?
The typical SNR is 95.6 dB, and the typical THD is -115 dB. - What is the maximum INL for the MAX11902ETP+?
The maximum INL is 0.5 LSB. - Does the MAX11902ETP+ have an internal reference buffer?
Yes, the MAX11902ETP+ has an internal reference buffer to minimize board space and system cost.
