Overview
The MAX1290BEEI+T is a high-accuracy, low-power analog-to-digital converter (ADC) designed by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1290/MAX1292 series, which offers a versatile solution for low-power applications requiring high-resolution analog-to-digital conversion. The MAX1290BEEI+T is particularly suited for power-conscious designs that need to minimize energy consumption while maintaining performance. It features automatic power-down and fast wake-up times, making it ideal for battery-powered and data-acquisition applications.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Resolution | 12 bits | Number of Channels | 8 Channel (Single-Ended), 4 Channel (Pseudo-Differential) |
| Interface Type | Parallel | Sampling Rate | Up to 400 kS/s |
| Input Type | Pseudo-Differential, Single-Ended | Architecture | SAR (Successive Approximation) |
| Minimum Operating Temperature | -40°C | Maximum Operating Temperature | +85°C |
| Operating Supply Voltage | 4.5 V to 5.5 V | Power Dissipation | 667 mW (max), 10 mW at 400 kS/s |
| Reference Type | External, Internal (+2.5 V) | Package/Case | 28-Pin QSOP |
| Mounting Style | SMD/SMT | INL - Integral Nonlinearity | ±1 LSB |
| DNL - Differential Nonlinearity | ±1 LSB | Height | 1.55 mm |
| Length | 9.98 mm | Width | 3.99 mm |
Key Features
- High-Speed Conversion Rate: Up to 250 kS/s, though typically up to 400 kS/s
- Compact Packaging: 28-Pin QSOP
- Wide Operating Temperature Range: -40°C to +85°C
- Software-Configurable Analog Input Multiplexer: 8-Channel Single-Ended or 4-Channel Pseudo-Differential
- Software-Configurable Unipolar/Bipolar Analog Inputs
- Low Power Consumption: 10 mW at 400 kS/s, and as low as 2 µA in shutdown mode
- Internal +2.5 V Reference and On-Chip Clock
- Byte-Wide Parallel Interface
- Automatic Power-Down and Fast Wake-Up Times (2 µs)
Applications
- Industrial Control Systems
- Data Logging
- Energy Management
- Patient Monitoring
- Data-Acquisition Systems
- Touchscreens
- Battery-Powered Devices
Q & A
- Q: What is the resolution of the MAX1290BEEI+T ADC?
A: The MAX1290BEEI+T has a resolution of 12 bits. - Q: What are the operating supply voltage ranges for the MAX1290BEEI+T?
A: The operating supply voltage ranges from 4.5 V to 5.5 V. - Q: What is the maximum sampling rate of the MAX1290BEEI+T?
A: The maximum sampling rate is up to 400 kS/s. - Q: What types of analog inputs does the MAX1290BEEI+T support?
A: The MAX1290BEEI+T supports both single-ended and pseudo-differential analog inputs. - Q: How does the MAX1290BEEI+T manage power consumption?
A: The device features automatic power-down and fast wake-up times, and it can reduce power consumption to under 10 µA at reduced sampling rates. - Q: What is the package type of the MAX1290BEEI+T?
A: The MAX1290BEEI+T is available in a 28-pin QSOP package. - Q: What is the operating temperature range of the MAX1290BEEI+T?
A: The operating temperature range is from -40°C to +85°C. - Q: Does the MAX1290BEEI+T have an internal reference voltage?
A: Yes, the MAX1290BEEI+T has an internal +2.5 V reference voltage. - Q: What kind of interface does the MAX1290BEEI+T use?
A: The MAX1290BEEI+T uses a byte-wide parallel interface. - Q: What is the warranty period for the MAX1290BEEI+T purchased from Ovaga?
A: Ovaga offers a 1-year warranty on the MAX1290BEEI+T.
