Overview
The MAX1069AEUD+T is a low-power, 14-bit successive-approximation analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is designed for high-performance and low-power consumption, making it suitable for a variety of applications, particularly in handheld and battery-powered devices. The MAX1069 features an on-chip 4MHz clock, automatic power-down, and an I²C-compatible 2-wire serial interface that supports both fast and high-speed modes.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 58.6 ksps |
| Analog Input Range | Internal reference or external reference (1V to VAVDD) |
| Supply Voltage | +4.75V to +5.25V (analog), +2.7V to +5.5V (digital) |
| Power Consumption | 5mW at 58.6ksps, <50µA in shutdown mode |
| Interface | I²C-compatible 2-wire serial interface (up to 1.7MHz) |
| Package | 14-pin TSSOP |
| Temperature Range | Commercial and extended temperature ranges |
| Address Select Inputs | Four (ADD0–ADD3), allowing up to 16 devices on the same bus |
Key Features
- High-speed I²C-compatible serial interface with fast mode (400kHz) and high-speed mode (1.7MHz)
- Internal 4MHz conversion clock
- Internal +4.096V reference voltage or external reference voltage (1V to VAVDD)
- Automatic power-down with low shutdown current (<50µA)
- Separate analog and digital power-supply inputs for low-noise operation
- Track-and-hold (T/H) circuitry for capturing and converting analog signals
- Support for up to 16 devices on the same bus using four address select inputs (ADD0–ADD3)
Applications
- Hand-held portable applications
- Medical instruments
- Battery-powered test equipment
- Solar-powered remote systems
- Receive signal strength indicators
- System supervision
Q & A
- What is the resolution of the MAX1069 ADC?
The MAX1069 has a resolution of 14 bits.
- What is the maximum sampling rate of the MAX1069?
The maximum sampling rate of the MAX1069 is 58.6 ksps.
- What is the analog input range of the MAX1069?
The analog input range is determined by the internal reference or by an externally applied reference voltage ranging from 1V to VAVDD.
- What are the supply voltage requirements for the MAX1069?
The MAX1069 requires a +4.75V to +5.25V analog supply and a +2.7V to +5.5V digital supply.
- How does the MAX1069 manage power consumption?
The MAX1069 features automatic power-down, reducing supply current to less than 50µA in shutdown mode.
- What type of interface does the MAX1069 use?
The MAX1069 uses an I²C-compatible 2-wire serial interface capable of fast and high-speed modes.
- In what package is the MAX1069 available?
The MAX1069 is packaged in a 14-pin TSSOP.
- What temperature ranges are supported by the MAX1069?
The MAX1069 supports both commercial and extended temperature ranges.
- How many MAX1069 devices can be connected on the same bus?
Up to 16 MAX1069 devices can be connected on the same bus using the four address select inputs (ADD0–ADD3).
- What is the purpose of the track-and-hold circuitry in the MAX1069?
The track-and-hold circuitry is used to capture and convert analog signals.
