Overview
The MAX1241ACSA+, produced by Analog Devices Inc./Maxim Integrated, is a low-power, 12-bit analog-to-digital converter (ADC) designed for applications requiring high precision and low power consumption. This device operates on a single supply voltage ranging from +2.7V to +5.25V, making it versatile for various system designs. The MAX1241 features a successive-approximation ADC with a conversion time of 7.5µs and a fast track/hold time of 1.5µs, ensuring rapid and accurate analog-to-digital conversions.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Resolution | 12 bits | |
| Supply Voltage | +2.7V to +5.25V | |
| Conversion Time | 7.5µs | |
| Track/Hold Time | 1.5µs | |
| Sampling Rate | Up to 73ksps | |
| Power Consumption | 37mW at 3V, 2µA in shutdown mode | At maximum sampling speed |
| Reference Type | External | |
| Interface | 3-wire serial interface (SPI, QSPI, MICROWIRE compatible) | |
| Package Type | Small-Outline IC, Narrow (0.15in) |
Key Features
- Low power consumption with 37mW at 3V and 2µA in shutdown mode.
- High-speed 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- Internal on-chip clock and no external hold capacitor required for the track/hold circuitry.
- External reference input with a range from 0V to VREF, including the positive supply rail.
- Small footprint in 8-pin SO packages, ideal for space-constrained applications.
Applications
The MAX1241ACSA+ is ideal for various applications requiring low power consumption and high precision, such as:
- Remote sensor applications.
- Data acquisition systems.
- Circuits with demanding power consumption and space requirements.
Q & A
- What is the resolution of the MAX1241ACSA+ ADC?
The MAX1241ACSA+ has a 12-bit resolution.
- What is the operating supply voltage range for the MAX1241ACSA+?
The MAX1241ACSA+ operates on a single supply voltage ranging from +2.7V to +5.25V.
- How long does the MAX1241ACSA+ take to convert an analog signal to digital?
The conversion time is 7.5µs, including the track/hold acquisition time.
- What is the power consumption of the MAX1241ACSA+ at maximum sampling speed?
The power consumption is 37mW at 3V, and it reduces to 2µA in shutdown mode.
- Does the MAX1241ACSA+ require an external reference voltage?
- What type of interface does the MAX1241ACSA+ use?
The MAX1241ACSA+ uses a high-speed 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- What is the package type of the MAX1241ACSA+?
The MAX1241ACSA+ is available in a small-outline IC, narrow (0.15in) package.
- What are some typical applications for the MAX1241ACSA+?
Typical applications include remote sensor applications, data acquisition systems, and circuits with demanding power consumption and space requirements.
- Does the MAX1241ACSA+ have an internal clock?
- Is an external hold capacitor required for the track/hold circuitry?
No, an external hold capacitor is not required for the track/hold circuitry.
