Overview
The MAX1241AESA+T 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, low power consumption, and compact design. 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 fast track/hold circuit, an on-chip clock, and a high-speed, 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE protocols.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Supply Voltage | +2.7V to +5.25V |
| 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 | 2µA |
| Reference Voltage | External reference required (accepts signals from 0V to VREF) |
| Package Type | 8-SOIC |
| Interface | 3-wire serial interface (SPI, QSPI, MICROWIRE compatible) |
Key Features
- Low power consumption with a shutdown mode to reduce power at slower throughput rates.
- High-speed, 3-wire serial interface compatible with standard microcontroller I/O ports.
- Fast track/hold circuit and successive-approximation ADC for efficient conversion.
- On-chip clock eliminates the need for an external clock source.
- Small footprint in 8-pin SOIC package.
- External reference input allows for flexible voltage range settings.
Applications
The MAX1241AESA+T is ideal for various applications requiring low power consumption and high performance, such as remote sensor systems, data acquisition circuits, and other space-constrained designs. Its low power and small package size make it suitable for battery-powered devices and embedded systems.
Q & A
- What is the resolution of the MAX1241AESA+T ADC?
The MAX1241AESA+T has a 12-bit resolution. - What is the supply voltage range for the MAX1241AESA+T?
The supply voltage range is from +2.7V to +5.25V. - How long does the conversion process take for the MAX1241AESA+T?
The conversion time, including track/hold time, is 7.5µs. - What is the maximum sampling rate of the MAX1241AESA+T?
The maximum sampling rate is up to 73ksps. - Does the MAX1241AESA+T have an internal reference voltage?
No, the MAX1241AESA+T requires an external reference voltage. - What is the power consumption of the MAX1241AESA+T at maximum sampling rate?
The power consumption is 37mW at 3V and 73ksps. - What is the shutdown current of the MAX1241AESA+T?
The shutdown current is 2µA. - What type of interface does the MAX1241AESA+T use?
The MAX1241AESA+T uses a high-speed, 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE protocols. - In what package type is the MAX1241AESA+T available?
The MAX1241AESA+T is available in an 8-SOIC package. - What are some typical applications for the MAX1241AESA+T?
Typical applications include remote sensor systems, data acquisition circuits, and other space-constrained designs.
