Overview
The MAX1284AESA+ is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device combines a high-bandwidth track/hold (T/H), a serial interface with high conversion speed, an internal +2.5V reference, and low power consumption. It operates from a single +4.5V to +5.5V supply, making it suitable for a variety of applications requiring high precision and low power usage.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12 Bits | |
| Supply Voltage (VDD) | +4.5V to +5.5V | V |
| Conversion Speed | 400ksps/300ksps | samples per second |
| Internal Reference | +2.5V | V |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 8-Pin SO | |
| Relative Accuracy | ±1.0 LSB | |
| Differential Nonlinearity (DNL) | ±1.0 LSB | |
| Offset Error | ±6.0 LSB | |
| Serial Clock Frequency | Up to 6.4MHz | MHz |
Key Features
- High-bandwidth track/hold (T/H) for accurate signal capture.
- Serial interface compatible with SPI™/QSPI™/MICROWIRE™ devices without external logic.
- Internal +2.5V reference for stable conversion results.
- Low power consumption, making it ideal for remote-sensor and data-acquisition applications.
- Small package size (8-pin SO) for space-constrained designs.
- Pin-compatible with higher-speed versions of the MAX1240/MAX1241.
Applications
The MAX1284AESA+ is suitable for various applications that require high-speed, low-power analog-to-digital conversion. These include:
- Remote-sensor applications where power consumption and space are critical.
- Data-acquisition systems that demand high precision and speed.
- Circuits with stringent power and space requirements.
Q & A
- What is the resolution of the MAX1284AESA+ ADC?
The MAX1284AESA+ has a resolution of 12 bits.
- What is the operating supply voltage range for the MAX1284AESA+?
The MAX1284AESA+ operates from a single +4.5V to +5.5V supply.
- What is the conversion speed of the MAX1284AESA+?
The conversion speed is up to 400ksps/300ksps.
- Does the MAX1284AESA+ have an internal reference voltage?
Yes, it has an internal +2.5V reference voltage.
- What is the operating temperature range for the MAX1284AESA+?
The operating temperature range is -40°C to +85°C.
- What type of package does the MAX1284AESA+ come in?
The MAX1284AESA+ comes in an 8-pin SO package.
- Is the MAX1284AESA+ compatible with SPI/QSPI/MICROWIRE interfaces?
Yes, it is compatible with SPI™/QSPI™/MICROWIRE™ devices without external logic.
- What are the key applications for the MAX1284AESA+?
Key applications include remote-sensor and data-acquisition systems, and circuits with demanding power consumption and space requirements.
- How does the MAX1284AESA+ manage power consumption?
The MAX1284AESA+ is designed for low power consumption, making it ideal for power-sensitive applications.
- Is the MAX1284AESA+ pin-compatible with other ADC models?
Yes, it is pin-compatible with higher-speed versions of the MAX1240/MAX1241.
