Overview
The MAX1084ACSA is a 10-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device combines a high-bandwidth track/hold, a serial interface with high conversion speed, an internal +2.5V reference, and low power consumption. It operates from a single +4.5V to +5.5V supply, making it suitable for a variety of applications requiring high-speed and low-power conversion.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 10-bit |
| Sampling Rate | 400ksps (MAX1084) |
| Supply Voltage | +4.5V to +5.5V (MAX1084) |
| Internal Reference | +2.5V |
| Power Consumption | 2.5mA (400ksps) |
| Serial Interface | SPI/QSPI/MICROWIRE 3-Wire |
| Package Type | 8-Pin SOIC |
| Operating Temperature | -40°C to +85°C |
Key Features
- Single-Supply Operation: +4.5V to +5.5V (MAX1084)
- 10-Bit Resolution
- High-Speed Sampling Rate: 400ksps (MAX1084)
- Internal Track/Hold and +2.5V Reference
- Low Power Consumption: 2.5mA (400ksps)
- SPI/QSPI/MICROWIRE 3-Wire Serial Interface
- Pin-Compatible, High-Speed Upgrade to MAX1242/MAX1243
- Compact 8-Pin SOIC Package
Applications
- Battery-Powered Applications
- Data Acquisition
- Medical Instruments
- Pen Digitizers
- Portable Data Logging
- Process Control
Q & A
- What is the resolution of the MAX1084ACSA ADC?
The MAX1084ACSA has a 10-bit resolution.
- What is the sampling rate of the MAX1084ACSA?
The MAX1084ACSA has a sampling rate of 400ksps.
- What is the supply voltage range for the MAX1084ACSA?
The MAX1084ACSA operates from a single +4.5V to +5.5V supply.
- Does the MAX1084ACSA have an internal reference voltage?
Yes, the MAX1084ACSA has an internal +2.5V reference voltage.
- What type of serial interface does the MAX1084ACSA use?
The MAX1084ACSA uses an SPI/QSPI/MICROWIRE 3-Wire serial interface.
- What is the power consumption of the MAX1084ACSA at 400ksps?
The power consumption is 2.5mA at 400ksps.
- In what package type is the MAX1084ACSA available?
The MAX1084ACSA is available in an 8-Pin SOIC package.
- What are some typical applications for the MAX1084ACSA?
Typical applications include battery-powered devices, data acquisition, medical instruments, pen digitizers, portable data logging, and process control.
- Is the MAX1084ACSA pin-compatible with other ADC models?
Yes, the MAX1084ACSA is pin-compatible with the MAX1242/MAX1243.
- How does the MAX1084ACSA handle shutdown mode?
Pulling the SHDN pin low shuts the device down, reducing supply current to 2µA (typ); pulling SHDN high puts the device into operational mode.
