Overview
The MAX1241ACSA+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 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 also includes an on-chip clock and a high-speed, 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE protocols.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12 bits | |
| Operating Supply Voltage | +2.7V to +5.25V | V |
| Conversion Time | 7.5µs | µs |
| Track/Hold Time | 1.5µs | µs |
| Maximum Sampling Speed | 73ksps | ksps |
| Power Consumption (VDD = 3V) | 37mW | mW |
| Shutdown Current | 2µA | µA |
| Reference Input Range | 0V to VREF | V |
| Integral Nonlinearity (INL) | ±0.5 LSB | LSB |
Key Features
- Low power consumption: 37mW at 73ksps with VDD = 3V and 2µA in shutdown mode.
- High-speed, 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE protocols.
- Fast track/hold time of 1.5µs and conversion time of 7.5µs.
- Internal clock and no external hold capacitor required for the track/hold circuitry.
- External reference input range includes the positive supply rail.
- Available in 8-pin PDIP and SO packages.
Applications
The MAX1241ACSA+T is ideal for various applications requiring low power consumption and high performance. These include:
- Remote sensor applications.
- Data acquisition systems.
- Circuits with demanding power consumption and space requirements.
Q & A
- What is the resolution of the MAX1241ACSA+T ADC?
The MAX1241ACSA+T has a resolution of 12 bits.
- What is the operating supply voltage range for the MAX1241ACSA+T?
The operating supply voltage range is from +2.7V to +5.25V.
- What is the conversion time of the MAX1241ACSA+T?
The conversion time is 7.5µs.
- Does the MAX1241ACSA+T require an external reference voltage?
- What is the maximum sampling speed of the MAX1241ACSA+T?
The maximum sampling speed is 73ksps.
- How much power does the MAX1241ACSA+T consume at 73ksps with VDD = 3V?
The power consumption is 37mW at 73ksps with VDD = 3V.
- What is the shutdown current of the MAX1241ACSA+T?
The shutdown current is 2µA.
- What interface protocols is the MAX1241ACSA+T compatible with?
The MAX1241ACSA+T is compatible with SPI, QSPI, and MICROWIRE protocols.
- What are the typical applications for the MAX1241ACSA+T?
Typical applications include remote sensor applications, data acquisition systems, and circuits with demanding power consumption and space requirements.
- In what packages is the MAX1241ACSA+T available?
The MAX1241ACSA+T is available in 8-pin PDIP and SO packages.
