Overview
The MAX1241CESA+ 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 its 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 SOIC package, which is compact and suitable for space-constrained designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12-bit | |
| Supply Voltage | +2.7V to +5.25V | V |
| Conversion Time | 7.5µs | µs |
| Track/Hold Time | 1.5µs | µs |
| Sampling Rate | Up to 73ksps | ksps |
| Power Consumption | 37mW (VDD = 3V) | mW |
| Shutdown Current | 2µA | µA |
| Reference Voltage | External (0V to VREF) | V |
| Interface | 3-wire serial (SPI, QSPI, MICROWIRE compatible) | |
| Package Type | 8-pin SOIC |
Key Features
- Low power consumption: 37mW at 73ksps and 2µA in shutdown mode.
- High-speed 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- Internal on-chip clock and fast track/hold circuitry.
- External reference input range from 0V to VREF, including the positive supply rail.
- Compact 8-pin SOIC package.
- Excellent AC characteristics and dynamic specifications.
Applications
The MAX1241CESA+ is ideal for various applications requiring low power consumption and high performance. These include:
- Remote sensor applications.
- Data acquisition systems.
- Circuits with demanding power and space requirements.
- Industrial automation and control systems.
- Medical devices and diagnostic equipment.
Q & A
- What is the resolution of the MAX1241CESA+ ADC?
The MAX1241CESA+ has a 12-bit resolution.
- What is the supply voltage range for the MAX1241CESA+?
The supply voltage range is from +2.7V to +5.25V.
- How long does the MAX1241CESA+ take to convert an analog signal to digital?
The conversion time is 7.5µs, including the track/hold acquisition time.
- What is the maximum sampling rate of the MAX1241CESA+?
The maximum sampling rate is up to 73ksps.
- How much power does the MAX1241CESA+ consume at maximum sampling rate?
The power consumption is 37mW at VDD = 3V and 73ksps.
- What is the shutdown current of the MAX1241CESA+?
The shutdown current is 2µA.
- Does the MAX1241CESA+ have an internal reference voltage?
No, the MAX1241CESA+ requires an external reference voltage.
- What type of interface does the MAX1241CESA+ use?
The MAX1241CESA+ uses a high-speed 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- In what package is the MAX1241CESA+ available?
The MAX1241CESA+ is available in an 8-pin SOIC package.
- What are some typical applications for the MAX1241CESA+?
Typical applications include remote sensor systems, data acquisition, and circuits with demanding power and space requirements.
