Overview
The MAX1240CESA, produced by Analog Devices Inc./Maxim Integrated, is a low-power, 12-bit analog-to-digital converter (ADC) designed for high-performance and low-power applications. This device operates with a single supply voltage ranging from +2.7V to +3.6V and is available in an 8-pin SOIC package. The MAX1240 is part of the MAX1240/MAX1241 family, which is known for its fast conversion time and low power consumption, making it ideal for various data acquisition and remote sensor applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Supply Voltage | +2.7V to +3.6V |
| Conversion Time | 7.5µs (including track/hold time) |
| Track/Hold Time | 1.5µs |
| Sampling Rate | Up to 73ksps |
| Power Consumption | 37mW at 3V and 73ksps |
| Shutdown Current | Below 10µA |
| Reference Voltage | Internal 2.5V reference |
| Interface | 3-wire serial interface (SPI, QSPI, MICROWIRE compatible) |
| Package | 8-pin SOIC |
Key Features
- Low power consumption with a maximum of 37mW at 3V and 73ksps sampling rate.
- Fast conversion time of 7.5µs, including track/hold time.
- Internal 2.5V reference voltage.
- High-speed, 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- Shutdown mode with current below 10µA.
- No external hold capacitor required for the track/hold circuitry.
Applications
The MAX1240CESA is suitable for a variety of applications, including remote sensor systems, data acquisition circuits, and other applications where low power consumption and high performance are critical. It is also ideal for use in battery-powered devices and systems with stringent space and power requirements.
Q & A
- What is the resolution of the MAX1240CESA ADC?
The MAX1240CESA has a resolution of 12 bits. - What is the operating supply voltage range for the MAX1240CESA?
The MAX1240CESA operates with a single supply voltage ranging from +2.7V to +3.6V. - How long does the MAX1240CESA take to convert an analog signal to digital?
The conversion time, including track/hold time, is 7.5µs. - What is the maximum sampling rate of the MAX1240CESA?
The maximum sampling rate is up to 73ksps. - Does the MAX1240CESA require an external reference voltage?
No, the MAX1240CESA has an internal 2.5V reference voltage. - What type of interface does the MAX1240CESA use?
The MAX1240CESA uses a high-speed, 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE. - How much power does the MAX1240CESA consume at maximum sampling rate?
The power consumption is 37mW at 3V and 73ksps. - What is the shutdown current of the MAX1240CESA?
The shutdown current is below 10µA. - In what package is the MAX1240CESA available?
The MAX1240CESA is available in an 8-pin SOIC package. - Is the MAX1240CESA suitable for battery-powered devices?
Yes, the MAX1240CESA is suitable for battery-powered devices due to its low power consumption.
