Overview
The MAX1243BESA+T is a low-power, 10-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device operates with a single supply voltage ranging from +2.7V to +5.25V and is available in an 8-pin Small-Outline IC (SOIC) package. It features a successive-approximation ADC with a fast track/hold time of 1.5µs and a high-speed, 3-wire serial interface compatible with SPI protocols. The MAX1243BESA+T is designed for low power consumption, with a maximum sampling speed of 73ksps and a shutdown mode that reduces power to below 10µA.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Type of Integrated Circuit | Analog-to-Digital Converter (ADC) |
| Number of Channels | 1 |
| Converter Resolution | 10-bit |
| Sampling Speed | 73ksps |
| Case | SO-8 (Small-Outline IC) |
| Mounting | SMD (Surface Mount Device) |
| Interface | SPI (3-wire serial interface) |
| Operating Voltage | +2.7V to +5.25V |
| Relative Accuracy | 1LSB |
| Power Consumption | 3mW (VDD = 3V) at maximum sampling speed |
| Shutdown Current | < 10µA (VDD ≤ 3.6V) |
Key Features
- Low-power operation with a single +2.7V to +5.25V supply voltage.
- 10-bit successive-approximation ADC with a conversion time of 7.5µs and a fast track/hold time of 1.5µs.
- High-speed, 3-wire serial interface compatible with SPI protocols.
- External reference voltage input (accepts signals from 0V to VREF).
- Shutdown mode to reduce power consumption to below 10µA.
- Compact 8-pin SOIC package.
Applications
The MAX1243BESA+T is suitable for a variety of applications requiring low-power, high-accuracy analog-to-digital conversion. These include:
- Portable and battery-powered devices where low power consumption is critical.
- Industrial control systems and automation.
- Medical devices requiring precise analog-to-digital conversion.
- Aerospace and defense applications where reliability and low power are essential.
- Automotive systems, especially those requiring robust and efficient ADCs.
Q & A
- What is the operating voltage range of the MAX1243BESA+T?
The MAX1243BESA+T operates with a single supply voltage ranging from +2.7V to +5.25V. - What is the resolution of the MAX1243BESA+T ADC?
The MAX1243BESA+T has a 10-bit resolution. - What is the maximum sampling speed of the MAX1243BESA+T?
The maximum sampling speed is 73ksps. - What type of interface does the MAX1243BESA+T use?
The MAX1243BESA+T uses a high-speed, 3-wire serial interface compatible with SPI protocols. - How does the shutdown mode affect power consumption?
Pulling the SHDN pin low shuts the device down, reducing the supply current to below 10µA (VDD ≤ 3.6V). - What is the package type of the MAX1243BESA+T?
The MAX1243BESA+T is available in an 8-pin Small-Outline IC (SOIC) package. - Does the MAX1243BESA+T have an internal reference voltage?
No, the MAX1243BESA+T requires an external reference voltage. - What is the relative accuracy of the MAX1243BESA+T?
The relative accuracy is 1LSB. - Is the MAX1243BESA+T RoHS compliant?
Yes, the MAX1243BESA+T is RoHS compliant. - What are some typical applications for the MAX1243BESA+T?
Typical applications include portable and battery-powered devices, industrial control systems, medical devices, aerospace and defense, and automotive systems.
