Overview
The MAX1291AEEI+T is a high-performance 12-bit analog-to-digital converter (ADC) designed by Analog Devices Inc./Maxim Integrated. This device is optimized for low-power applications and features a successive-approximation ADC architecture. It includes an automatic power-down feature, an on-chip clock, and a +2.5V internal reference voltage, which streamline the data acquisition process. The high-speed byte-wide parallel interface ensures rapid communication of data, making it suitable for various demanding applications.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Series | MAX1291A |
| Mounting Style | SMD/SMT | Resolution | 12 bit |
| Number of Channels | 4 Channel/8 Channel | Interface Type | Parallel |
| Sampling Rate | 250 kS/s | Input Type | Pseudo-Differential/Single-Ended |
| Architecture | SAR | Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +85°C | DNL - Differential Nonlinearity | +/- 1 LSB |
| INL - Integral Nonlinearity | +/- 0.5 LSB | Height | 1.55 mm |
| Length | 9.98 mm | Number of Converters | 1 Converter |
| Operating Supply Voltage | 2.7 V to 3.6 V | Power Dissipation | 667 mW |
| Reference Type | External, Internal | Reference Voltage | 2.5 V |
| Supply Voltage - Max | 3.6 V | Supply Voltage - Min | 2.7 V |
| Width | 3.99 mm | Package/Case | SSOP-28 |
Key Features
- High-speed digital-to-analog conversion with a successive-approximation ADC architecture.
- Ultra-low power operation with power consumption as low as 5.7mW at the maximum sampling rate of 250ksps.
- Automatic power-down feature with fast wake-up time of 2µs.
- On-chip clock and +2.5V internal reference voltage.
- High-speed byte-wide parallel interface for rapid data communication.
- Software-configurable analog inputs for unipolar/bipolar and single-ended/pseudo-differential operation.
- User-adjustable logic level (+1.8V to +5.5V) for flexible digital supply interface.
Applications
- RFID Systems: Ideal for applications requiring precise and efficient data conversion.
- Wireless Sensors: Suitable for battery-powered and data-acquisition applications.
- Home Automation: Used in various home automation systems that require low power and high accuracy.
- Battery-Powered Devices: Excellent for devices with demanding power consumption and space requirements.
- Data-Acquisition Systems: Optimized for systems that need fast and accurate analog-to-digital conversion.
Q & A
- Q: What is the resolution of the MAX1291AEEI+T ADC?
A: The MAX1291AEEI+T has a 12-bit resolution. - Q: What is the sampling rate of the MAX1291AEEI+T?
A: The MAX1291AEEI+T has a sampling rate of 250 kS/s. - Q: What types of input configurations are supported by the MAX1291AEEI+T?
A: The MAX1291AEEI+T supports single-ended and pseudo-differential input configurations. - Q: What is the operating supply voltage range for the MAX1291AEEI+T?
A: The operating supply voltage range is from 2.7 V to 3.6 V. - Q: How does the automatic power-down feature work in the MAX1291AEEI+T?
A: The MAX1291AEEI+T features two software-selectable power-down modes that can shut down the device between conversions, reducing supply current to under 10µA at reduced sampling rates. - Q: What is the package type of the MAX1291AEEI+T?
A: The MAX1291AEEI+T is available in a 28-pin SSOP package. - Q: What are the typical operating temperatures for the MAX1291AEEI+T?
A: The device operates within a temperature range of -40°C to +85°C. - Q: What is the power dissipation of the MAX1291AEEI+T at maximum sampling rate?
A: The power dissipation is approximately 5.7mW at the maximum sampling rate of 250ksps. - Q: Can the MAX1291AEEI+T be used in battery-powered devices?
A: Yes, the MAX1291AEEI+T is suitable for battery-powered devices due to its low power consumption. - Q: What is the warranty period for the MAX1291AEEI+T purchased from Ovaga?
A: Ovaga offers a 1-year warranty on the MAX1291AEEI+T.
