Overview
The MAX1240AEPA 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 series, which is known for its high performance and low power consumption. The MAX1240AEPA operates with a single supply voltage ranging from +2.7V to +3.6V, making it suitable for a variety of applications where power efficiency is crucial.
Key Specifications
| Parameter | Value | Units | Conditions |
|---|---|---|---|
| Supply Voltage (VDD) | 2.7 to 3.6 | V | |
| Resolution | 12-bit | ||
| Conversion Time | 7.5µs | ||
| Track/Hold Time | 1.5µs | ||
| Sampling Rate | Up to 73ksps | ||
| Power Consumption | 37mW (VDD = 3V) | mW | |
| Shutdown Current | 2µA | µA | |
| Reference Voltage | Internal 2.5V | V | |
| Interface | 3-wire serial (SPI, QSPI, MICROWIRE compatible) |
Key Features
- Low power consumption: 37mW at 73ksps with VDD = 3V and 2µA in shutdown mode.
- High-speed conversion: 7.5µs successive-approximation ADC and 1.5µs track/hold time.
- On-chip clock and high-speed 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- Internal 2.5V reference voltage for MAX1240.
- Small package size: Available in 8-pin PDIP and SO packages.
- Excellent AC characteristics, making it ideal for remote-sensor and data-acquisition applications.
Applications
- Remote-sensor applications.
- Data-acquisition systems.
- Circuits with demanding power consumption and space requirements.
- Battery-powered devices.
- Industrial automation and control systems.
Q & A
- What is the supply voltage range for the MAX1240AEPA?
The supply voltage range for the MAX1240AEPA is from +2.7V to +3.6V.
- What is the resolution of the MAX1240AEPA ADC?
The MAX1240AEPA has a 12-bit resolution.
- How long does the conversion process take for the MAX1240AEPA?
The conversion time for the MAX1240AEPA is 7.5µs.
- What is the track/hold time of the MAX1240AEPA?
The track/hold time of the MAX1240AEPA is 1.5µs.
- What is the maximum sampling rate of the MAX1240AEPA?
The maximum sampling rate of the MAX1240AEPA is up to 73ksps.
- How much power does the MAX1240AEPA consume at maximum sampling rate?
The MAX1240AEPA consumes 37mW of power at 73ksps with VDD = 3V.
- What is the shutdown current of the MAX1240AEPA?
The shutdown current of the MAX1240AEPA is 2µA.
- Does the MAX1240AEPA have an internal reference voltage?
Yes, the MAX1240AEPA has an internal 2.5V reference voltage.
- What type of interface does the MAX1240AEPA use?
The MAX1240AEPA uses a 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- In what packages is the MAX1240AEPA available?
The MAX1240AEPA is available in 8-pin PDIP and SO packages.
