Overview
The MAX1240BESA+ 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 MAX1240BESA+ 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 | Min | Typ | Max | Units | Conditions |
|---|---|---|---|---|---|
| Supply Voltage (VDD) | 2.7 | - | 3.6 | V | - |
| Resolution | - | - | 12 bits | - | - |
| Conversion Time | - | - | 7.5 µs | - | - |
| Track/Hold Acquisition Time | - | - | 1.5 µs | - | - |
| Throughput Rate | - | - | 73 ksps | - | fSCLK = 2.1MHz |
| Power Consumption | - | - | 37 mW | - | VDD = 3V, 73 ksps |
| Shutdown Current | - | - | 2 µA | - | - |
| Operating Temperature | -40 | - | 85 | °C | - |
| Package Type | - | - | 8-SOIC | - | - |
Key Features
- Low power consumption: 37mW at 73ksps with VDD = 3V and a shutdown mode of 2µA.
- High-speed, 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- Fast track/hold acquisition time of 1.5µs and conversion time of 7.5µs.
- Internal 2.5V reference for MAX1240, and external reference capability for MAX1241.
- Small package size: 8-pin SOIC.
- Excellent AC characteristics and low power combined with ease of use.
Applications
- Remote-sensor applications.
- Data-acquisition systems.
- Circuits with demanding power consumption and space requirements).
Q & A
- What is the supply voltage range for the MAX1240BESA+?
The supply voltage range is from +2.7V to +3.6V.
- What is the resolution of the MAX1240BESA+ ADC?
The resolution is 12 bits).
- What is the conversion time of the MAX1240BESA+?
The conversion time is 7.5 µs).
- What is the throughput rate of the MAX1240BESA+?
The throughput rate is up to 73 ksps with fSCLK = 2.1MHz).
- How much power does the MAX1240BESA+ consume at maximum sampling speed?
The power consumption is 37 mW at VDD = 3V and 73 ksps).
- What is the shutdown current of the MAX1240BESA+?
The shutdown current is 2 µA).
- What type of serial interface does the MAX1240BESA+ use?
The device uses a high-speed, 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE).
- Does the MAX1240BESA+ have an internal reference voltage?
Yes, the MAX1240 has an internal 2.5V reference).
- What are the operating temperature ranges for the MAX1240BESA+?
The operating temperature range is from -40°C to 85°C).
- In what package type is the MAX1240BESA+ available?
The device is available in an 8-SOIC package).
