Overview
The MAX1261BEEI+T is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1261/MAX1263 series, known for their low power consumption, high-speed operation, and versatile interface options. The MAX1261BEEI+T operates with a single +3V analog supply and features a user-adjustable logic level that can interface directly with digital supplies ranging from +1.8V to +5.5V. It is particularly suited for applications requiring high dynamic performance, low power consumption, and compact packaging.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Number of Channels | 8 channels (single-ended), 4 channels (pseudo-differential) |
| Interface Type | Parallel |
| Sampling Rate | 250 kS/s |
| Analog Supply Voltage | +3V |
| Logic Supply Voltage | +1.8V to +5.5V |
| Internal Reference Voltage | +2.5V |
| Power Consumption | 5.7mW at 250ksps |
| Power-Down Current | < 10µA |
| Package Type | 28-pin QSOP |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- Low power consumption of 5.7mW at the maximum sampling rate of 250ksps.
- Software-configurable analog inputs for unipolar/bipolar and single-ended/pseudo-differential operation.
- Fast wake-up time of 2µs from power-down mode.
- On-chip clock and +2.5V internal reference.
- High-speed, byte-wide parallel interface.
- User-adjustable logic level to interface with digital supplies from +1.8V to +5.5V.
- Automatic power-down and two software-selectable power-down modes.
Applications
The MAX1261BEEI+T is ideal for various applications that require high dynamic performance, low power consumption, and compact packaging. These include:
- Battery-powered devices.
- Data-acquisition systems.
- Circuits with demanding power consumption and space requirements.
Q & A
- What is the resolution of the MAX1261BEEI+T ADC?
The MAX1261BEEI+T has a 12-bit resolution.
- How many input channels does the MAX1261BEEI+T have?
The device has 8 input channels in single-ended mode and 4 input channels in pseudo-differential mode.
- What is the sampling rate of the MAX1261BEEI+T?
The sampling rate is 250 kS/s.
- What is the power consumption of the MAX1261BEEI+T at the maximum sampling rate?
The power consumption is 5.7mW at 250ksps.
- What is the package type of the MAX1261BEEI+T?
The device is packaged in a 28-pin QSOP.
- What is the operating temperature range of the MAX1261BEEI+T?
The operating temperature range is -40°C to 85°C.
- Does the MAX1261BEEI+T have an internal reference voltage?
Yes, it has an internal +2.5V reference voltage.
- Can the MAX1261BEEI+T be powered down to reduce power consumption?
Yes, it has two software-selectable power-down modes that can reduce the supply current to under 10µA.
- What type of interface does the MAX1261BEEI+T use?
The device uses a high-speed, byte-wide parallel interface.
- Is the MAX1261BEEI+T suitable for battery-powered devices?
Yes, it is ideal for battery-powered devices due to its low power consumption and compact packaging.
