Overview
The MAX11207EEE+T is a high-resolution, ultra-low-power, single-channel delta-sigma analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX11200 family and is known for its exceptional performance in low-power applications. It offers a 20-bit noise-free resolution and is optimized for use in systems requiring high dynamic range and low power consumption, such as industrial control loops and sensor applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 20 |
| Sampling Rate (Per Second) | Up to 480 sps |
| Number of Inputs | 1 |
| Input Type | Differential |
| Data Interface | SPI |
| Architecture | Sigma-Delta |
| Reference Type | External |
| Voltage - Supply, Analog | 2.7 V ~ 3.6 V |
| Voltage - Supply, Digital | 1.7 V ~ 3.6 V |
| Operating Temperature | -40°C ~ 85°C |
| Package | 16-SSOP (0.154", 3.90mm Width) |
Key Features
- Ultra-Low Power Consumption: Less than 300µA active current, making it ideal for battery-powered devices and low-power applications.
- High Resolution: 20-bit noise-free resolution with 570nVRMS noise at 10sps and ±3.6VFS input.
- Programmable Gain and GPIOs: Includes programmable gain and four GPIOs for external mux control.
- Internal Oscillator: Highly stable internal oscillator with software-selectable frequencies (2.4576MHz or 2.048MHz).
- Low Noise and High Linearity: More than 100dB rejection of 50Hz or 60Hz line noise and 3ppm INL (typ), 10ppm (max).
- Flexible Conversion Modes: Supports zero latency single-cycle conversion mode and continuous conversion mode.
Applications
- Industrial Control Loops: Suitable for 4mA to 20mA industrial control loops due to its high dynamic range and low power consumption.
- Sensor Applications: Ideal for use with high-impedance sources without compromising dynamic range or linearity.
- Medical Devices: Can be used in medical devices requiring high resolution and low noise.
- Automotive and Aerospace: Applicable in automotive and aerospace systems where low power and high accuracy are critical.
Q & A
- What is the resolution of the MAX11207EEE+T ADC?
The MAX11207EEE+T has a 20-bit noise-free resolution.
- What are the power supply requirements for the MAX11207EEE+T?
The device requires an analog supply voltage of 2.7 V to 3.6 V and a digital supply voltage of 1.7 V to 3.6 V.
- What is the sampling rate of the MAX11207EEE+T?
The sampling rate can go up to 480 samples per second (sps).
- Does the MAX11207EEE+T have an internal oscillator?
Yes, it includes a highly stable internal oscillator with software-selectable frequencies (2.4576MHz or 2.048MHz).
- What is the operating temperature range of the MAX11207EEE+T?
The operating temperature range is -40°C to 85°C.
- What type of data interface does the MAX11207EEE+T use?
The device uses an SPI (Serial Peripheral Interface) for data communication.
- Can the MAX11207EEE+T be used with high-impedance sources?
Yes, it can be used with high-impedance sources without compromising dynamic range or linearity due to its optional input buffers.
- What are the key applications of the MAX11207EEE+T?
Key applications include industrial control loops, sensor applications, medical devices, and automotive and aerospace systems.
- Does the MAX11207EEE+T support multiple conversion modes?
Yes, it supports both zero latency single-cycle conversion mode and continuous conversion mode.
- How many GPIOs does the MAX11207EEE+T have?
The device includes four GPIOs that can be used for external mux control.
