Overview
The MAX1280BCUP+ is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device combines an 8-channel analog-input multiplexer, high-bandwidth track/hold, and a serial interface, offering high conversion speed and low power consumption. The MAX1280 operates from a single +4.5V to +5.5V supply, making it suitable for a variety of applications requiring precise analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Number of Channels | 8 single-ended or 4 pseudo-differential |
| Interface Type | SPI™/QSPI™/MICROWIRE™ |
| Sampling Rate | 400 kS/s |
| Supply Voltage | +4.5V to +5.5V |
| Internal Reference | +2.5V |
| Power Consumption | 2.5mA (400ksps), 1.3mA (Reduced-Power Mode), 0.9mA (Fast Power-Down Mode), 2µA (Full Power-Down Mode) |
| Differential Nonlinearity | ±6.0 LSB |
| Offset Error | ±7.0 LSB |
Key Features
- 8-channel single-ended or 4-channel pseudo-differential inputs
- Internal multiplexer and track/hold
- Single-supply operation (+4.5V to +5.5V)
- Internal +2.5V reference
- 400ksps sampling rate
- Low power consumption with multiple power-down modes
- 4-wire serial interface compatible with SPI™/QSPI™/MICROWIRE™ devices
- Serial strobe output for direct connection to TMS320-family digital signal processors
Applications
- Portable Data Logging
- Data Acquisition
- Medical Instruments
- Battery-Powered Instruments
- Pen Digitizers
- Process Control
Q & A
- What is the resolution of the MAX1280BCUP+ ADC?
The MAX1280BCUP+ has a resolution of 12 bits. - How many channels does the MAX1280BCUP+ support?
The device supports 8 single-ended or 4 pseudo-differential channels. - What is the sampling rate of the MAX1280BCUP+?
The sampling rate is 400 kS/s. - What is the supply voltage range for the MAX1280BCUP+?
The supply voltage range is +4.5V to +5.5V. - Does the MAX1280BCUP+ have an internal reference voltage?
Yes, it has an internal +2.5V reference voltage. - What are the power consumption modes of the MAX1280BCUP+?
The device has normal operation, reduced-power mode, fast power-down mode, and full power-down mode. - What is the interface type of the MAX1280BCUP+?
The interface type is SPI™/QSPI™/MICROWIRE™. - Can the MAX1280BCUP+ be used in medical instruments?
Yes, it is suitable for use in medical instruments due to its high accuracy and low power consumption. - Is the MAX1280BCUP+ compatible with digital signal processors?
Yes, it has a serial strobe output for direct connection to TMS320-family digital signal processors. - What are some typical applications of the MAX1280BCUP+?
Typical applications include portable data logging, data acquisition, battery-powered instruments, pen digitizers, and process control.
