Overview
The MAX1243BEPA is a low-power, 10-bit analog-to-digital converter (ADC) produced by Maxim Integrated, now a part of Analog Devices Inc. This component is designed to operate with a single supply voltage ranging from +2.7V to +5.25V and is available in an 8-pin package. It features a successive-approximation ADC with a fast track/hold time and a high-speed, 3-wire serial interface. The MAX1243BEPA is particularly useful for applications requiring low power consumption and high-speed data conversion.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 10 bits | |
| Operating Supply Voltage | +2.7V to +5.25V | |
| Maximum Sampling Speed | 73 ksps | |
| Power Consumption (VDD = 3V) | 3 mW | |
| Shutdown Mode Current | 2 µA | |
| Track/Hold Acquisition Time | 1.5 µs | |
| Conversion Time | 7.5 µs | |
| Operating Temperature Range | 0°C to +70°C (C grade), -40°C to +85°C (E grade) | |
| Storage Temperature Range | -60°C to +150°C |
Key Features
- Low power consumption: Only 3 mW at 73 ksps with VDD = 3V.
- Fast track/hold time: 1.5 µs.
- High-speed, 3-wire serial interface.
- On-chip clock for simplified system design.
- Shutdown mode to reduce power at slower throughput rates.
- No internal reference; requires an external reference voltage.
Applications
The MAX1243BEPA is suitable for a variety of applications that require low-power, high-speed analog-to-digital conversion. These include:
- Portable and battery-powered devices.
- Medical devices and diagnostic equipment.
- Industrial control systems and automation.
- Aerospace and defense systems where low power and high reliability are critical.
Q & A
- What is the resolution of the MAX1243BEPA ADC?
The MAX1243BEPA has a resolution of 10 bits. - What is the operating supply voltage range for the MAX1243BEPA?
The operating supply voltage range is from +2.7V to +5.25V. - What is the maximum sampling speed of the MAX1243BEPA?
The maximum sampling speed is 73 ksps. - How much power does the MAX1243BEPA consume at 3V supply voltage?
The power consumption is 3 mW at 73 ksps with VDD = 3V. - Does the MAX1243BEPA have an internal reference voltage?
No, the MAX1243BEPA requires an external reference voltage. - What is the track/hold acquisition time of the MAX1243BEPA?
The track/hold acquisition time is 1.5 µs. - What is the conversion time of the MAX1243BEPA?
The conversion time is 7.5 µs. - What are the operating temperature ranges for the MAX1243BEPA?
The operating temperature ranges are 0°C to +70°C (C grade) and -40°C to +85°C (E grade). - What is the storage temperature range for the MAX1243BEPA?
The storage temperature range is -60°C to +150°C. - What is the purpose of the shutdown mode in the MAX1243BEPA?
The shutdown mode reduces power consumption to 2 µA at slower throughput rates.
