Overview
The MAX1241CEPA is a low-power, 12-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 package. It features a successive-approximation ADC with a conversion time of 7.5µs and a fast track/hold time of 1.5µs. The MAX1241CEPA is designed for high-speed applications with a 3-wire serial interface, making it suitable for integration with standard microcontroller I/O ports.
Key Specifications
| Parameter | Min | Typ | Max | Units | Conditions |
|---|---|---|---|---|---|
| Supply Voltage (VDD) | 2.7 | 5.25 | V | ||
| Conversion Time | 7.5 | µs | |||
| Track/Hold Time | 1.5 | µs | |||
| Sampling Rate | 73 | ksps | fSCLK = 2.1MHz | ||
| Power Consumption | 37 | mW | VDD = 3V, 73ksps | ||
| Shutdown Current | 2 | µA | Power-down mode | ||
| Reference Voltage | 0 | VREF | V | External reference required | |
| Operating Temperature Range | 0 | 70 | °C | ||
| Storage Temperature Range | -60 | 150 | °C |
Key Features
- Low power consumption: 37mW at 73ksps with VDD = 3V and 2µA in shutdown mode.
- High-speed 3-wire serial interface compatible with standard microcontroller I/O ports.
- Successive-approximation ADC with 7.5µs conversion time and 1.5µs track/hold time.
- Internal or external reference options: The MAX1241 requires an external reference voltage.
- Wide operating temperature range: 0°C to 70°C.
- Compact 8-pin package.
Applications
The MAX1241CEPA is suitable for a variety of applications requiring low power and high-speed analog-to-digital conversion. These include:
- Portable and battery-powered devices.
- Industrial control systems.
- Medical devices.
- Automotive systems.
- Data acquisition systems.
Q & A
- What is the supply voltage range for the MAX1241CEPA?
The supply voltage range for the MAX1241CEPA is from +2.7V to +5.25V. - What is the conversion time of the MAX1241CEPA?
The conversion time of the MAX1241CEPA is 7.5µs. - Does the MAX1241CEPA have an internal reference voltage?
No, the MAX1241CEPA requires an external reference voltage. - What is the maximum sampling rate of the MAX1241CEPA?
The maximum sampling rate of the MAX1241CEPA is 73ksps. - How much power does the MAX1241CEPA consume at 73ksps with VDD = 3V?
The MAX1241CEPA consumes 37mW at 73ksps with VDD = 3V. - What is the shutdown current of the MAX1241CEPA?
The shutdown current of the MAX1241CEPA is 2µA. - What is the operating temperature range of the MAX1241CEPA?
The operating temperature range of the MAX1241CEPA is from 0°C to 70°C. - What type of interface does the MAX1241CEPA use?
The MAX1241CEPA uses a high-speed 3-wire serial interface. - Is the MAX1241CEPA suitable for portable devices?
Yes, the MAX1241CEPA is suitable for portable and battery-powered devices due to its low power consumption. - What is the storage temperature range of the MAX1241CEPA?
The storage temperature range of the MAX1241CEPA is from -60°C to 150°C.
