Overview
The MAX1241BCPA+ 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 family, 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 fast track/hold time, 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 |
| Number of Channels | 1 Channel |
| Interface Type | 3-Wire, SPI |
| Sampling Rate | 73 kS/s |
| Supply Voltage | +2.7V to +5.25V |
| Conversion Time | 7.5µs (including track/hold time) |
| Track/Hold Time | 1.5µs |
| Power Consumption | 37mW at 73ksps (VDD = 3V) |
| Shutdown Current | 2µA |
| Reference Voltage | External reference required (0V to VREF) |
| Package Type | 8-Pin PDIP |
Key Features
- Low power consumption: 37mW at 73ksps with a shutdown mode of 2µA.
- High-speed 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- Fast track/hold time of 1.5µs and conversion time of 7.5µs.
- Internal on-chip clock.
- External reference voltage input (0V to VREF).
- Small footprint in 8-pin PDIP and SO packages.
Applications
The MAX1241BCPA+ is ideal for remote-sensor and data-acquisition applications, as well as other circuits with demanding power consumption and space requirements. Its low power and high performance make it suitable for a variety of applications where precision and efficiency are crucial.
Q & A
- What is the resolution of the MAX1241BCPA+ ADC?
The MAX1241BCPA+ has a resolution of 12 bits. - What is the sampling rate of the MAX1241BCPA+?
The sampling rate is up to 73 kS/s. - What is the supply voltage range for the MAX1241BCPA+?
The supply voltage range is from +2.7V to +5.25V. - Does the MAX1241BCPA+ have an internal reference voltage?
No, the MAX1241BCPA+ requires an external reference voltage. - What is the conversion time of the MAX1241BCPA+?
The conversion time, including track/hold time, is 7.5µs. - What is the power consumption of the MAX1241BCPA+ at maximum sampling speed?
The power consumption is 37mW at 73ksps (VDD = 3V). - What is the shutdown current of the MAX1241BCPA+?
The shutdown current is 2µA. - What types of interfaces does the MAX1241BCPA+ support?
The MAX1241BCPA+ supports SPI, QSPI, and MICROWIRE interfaces. - In what package types is the MAX1241BCPA+ available?
The MAX1241BCPA+ is available in 8-pin PDIP and SO packages. - What are some typical applications for the MAX1241BCPA+?
Typical applications include remote-sensor and data-acquisition systems, and other circuits with strict power and space constraints.
