Overview
The MAX1249BCEE+T, produced by Analog Devices Inc./Maxim Integrated, is a low-power, 4-channel, serial 10-bit analog-to-digital converter (ADC). This device is part of the MAX1248/MAX1249 family, which combines a 4-channel multiplexer, high-bandwidth track/hold, and a serial interface. It operates from a single +2.7V to +5.25V supply and is designed for applications requiring high conversion speed and low power consumption.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 10 bits |
| Number of Channels | 4 channels (single-ended), 2 channels (differential) |
| Interface Type | SPI, QSPI, MICROWIRE |
| Sampling Rate | 133 kS/s |
| Operating Voltage | +2.7V to +5.25V |
| Operating Temperature | 0°C to 70°C |
| Package | 16-SSOP (0.154", 3.90mm Width), 16-QSOP |
| Mounting Type | Surface Mount |
| Power Consumption | 1.2mA (typical) |
Key Features
- Software configurable for unipolar/bipolar and single-ended/differential operation
- Internal or external serial-interface clock for successive-approximation analog-to-digital conversions
- Serial strobe output for direct connection to TMS320-family digital signal processors
- Hard-wired active-low SHDN pin and software-selectable power-down modes
- Reference-buffer amplifier with ±1.5% voltage adjustment range (external reference required for MAX1249)
- Quick turn-on time and low power-down current (under 60µA at reduced sampling rates)
Applications
The MAX1249BCEE+T is suitable for a variety of applications that require low power consumption and high conversion speed, such as data acquisition systems, industrial control systems, medical devices, and portable electronics. Its ability to operate in both single-ended and differential modes makes it versatile for different signal processing needs.
Q & A
- What is the resolution of the MAX1249BCEE+T ADC?
The MAX1249BCEE+T has a resolution of 10 bits. - How many channels does the MAX1249BCEE+T support?
The device supports 4 single-ended channels or 2 differential channels. - What is the operating voltage range of the MAX1249BCEE+T?
The operating voltage range is +2.7V to +5.25V. - What types of interfaces does the MAX1249BCEE+T support?
The device supports SPI, QSPI, and MICROWIRE interfaces. - What is the typical power consumption of the MAX1249BCEE+T?
The typical power consumption is 1.2mA. - Does the MAX1249BCEE+T have an internal reference voltage?
No, the MAX1249 requires an external reference voltage. - How does the MAX1249BCEE+T handle power-down modes?
The device has a hard-wired active-low SHDN pin and software-selectable power-down modes. - What is the sampling rate of the MAX1249BCEE+T?
The sampling rate is 133 kS/s. - What are the operating temperature ranges for the MAX1249BCEE+T?
The operating temperature range is 0°C to 70°C. - What package types are available for the MAX1249BCEE+T?
The device is available in 16-SSOP and 16-QSOP packages.
