Overview
The MAX1241ACPA+ is a low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1240/MAX1241 series, known for their high performance and low power consumption. The MAX1241 operates with a single supply voltage ranging from +2.7V to +5.25V, making it versatile for various applications. It features a successive-approximation ADC with a conversion time of 7.5µs and a fast track/hold time of 1.5µs. The device is available in an 8-pin PDIP package, offering a small footprint suitable for space-constrained designs.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12 bits | |
| Supply Voltage | +2.7V to +5.25V | V |
| Conversion Time | 7.5µs | µs |
| Track/Hold Time | 1.5µs | µs |
| Sampling Rate | Up to 73ksps | samples per second |
| Power Consumption | 37mW (VDD = 3V) | mW |
| Shutdown Current | 2µA | µA |
| Reference Input | External reference required | |
| Interface | 3-wire serial interface (SPI, QSPI, MICROWIRE compatible) | |
| Package Type | 8-pin PDIP |
Key Features
- Low power consumption with 37mW at 73ksps and 2µA in shutdown mode.
- High-speed 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- Fast track/hold time of 1.5µs and conversion time of 7.5µs.
- Internal on-chip clock eliminates the need for an external clock source.
- Small footprint in an 8-pin PDIP package.
- External reference input allows for flexible voltage range settings.
Applications
The MAX1241ACPA+ is ideal for various applications requiring low power consumption and high performance. These include:
- Remote sensor systems where power efficiency is crucial.
- Data acquisition systems that demand high accuracy and low noise.
- Space-constrained designs such as handheld devices and portable equipment.
- Industrial control systems where reliability and precision are essential.
Q & A
- What is the resolution of the MAX1241ACPA+ ADC?
The MAX1241ACPA+ has a resolution of 12 bits.
- What is the operating supply voltage range for the MAX1241ACPA+?
The MAX1241ACPA+ operates with a single supply voltage ranging from +2.7V to +5.25V.
- What is the conversion time of the MAX1241ACPA+?
The conversion time is 7.5µs.
- Does the MAX1241ACPA+ require an external reference voltage?
- What is the maximum sampling rate of the MAX1241ACPA+?
The maximum sampling rate is up to 73ksps.
- How much power does the MAX1241ACPA+ consume at maximum sampling rate?
The power consumption is 37mW at VDD = 3V and 73ksps.
- What is the shutdown current of the MAX1241ACPA+?
The shutdown current is 2µA.
- What type of interface does the MAX1241ACPA+ use?
The MAX1241ACPA+ uses a high-speed 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- In what package type is the MAX1241ACPA+ available?
The MAX1241ACPA+ is available in an 8-pin PDIP package.
- What are some typical applications for the MAX1241ACPA+?
Typical applications include remote sensor systems, data acquisition systems, space-constrained designs, and industrial control systems.
