Overview
The MAX11605EEE/V+T, produced by Analog Devices Inc./Maxim Integrated, is a low-power, 8-bit, multichannel analog-to-digital converter (ADC). This device is part of the MAX11600–MAX11605 series and is designed for high-speed and low-power applications. It operates from a single supply voltage ranging from 2.7V to 3.6V or 4.5V to 5.5V, making it versatile for various system designs. The MAX11605 features an internal track/hold (T/H) circuit, voltage reference, clock, and an I²C-compatible 2-wire serial interface, supporting data rates up to 1.7MHz.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Number of Channels | - | - | - | 12 | - | - |
| Resolution | - | - | - | 8 bits | - | - |
| Supply Voltage | VDD | - | 2.7V / 4.5V | - | 3.6V / 5.5V | V |
| Supply Current | IDD | fSAMPLE = 188ksps | - | 350µA | - | µA |
| Throughput Rate | fSAMPLE | External clock | - | 188ksps | - | ksps |
| Internal Clock Frequency | fCLK | - | - | 2.25MHz | - | MHz |
| Track/Hold Acquisition Time | tACQ | - | - | 588ns | - | ns |
| Aperture Delay | tAD | External clock, high-speed mode | - | 30ns | - | ns |
| Input Voltage Range (Unipolar) | VIN | Single-ended | 0 | - | VREF | V |
| Input Voltage Range (Bipolar) | VIN | Differential | 0 | - | ±VREF/2 | V |
| Internal Reference Voltage | VREF | MAX11605 | 1.925 | 2.048 | 2.171 | V |
| Input Capacitance | CIN | - | - | 18pF | - | pF |
Key Features
- High-Speed I²C-Compatible Serial Interface: Supports data rates up to 1.7MHz in high-speed mode and 400kHz in fast mode.
- Single Supply Operation: Operates from a single supply voltage of 2.7V to 3.6V or 4.5V to 5.5V.
- Low Power Consumption: Consumes only 350µA at the maximum sampling rate of 188ksps and less than 1µA in AutoShutdown™ mode.
- Internal Track/Hold and Voltage Reference: Features internal T/H circuitry and voltage reference, with options for external reference from 1V to VDD.
- Software-Configurable Inputs: Analog inputs are software configurable for unipolar or bipolar and single-ended or pseudo-differential operation.
- High-Speed Conversion: Uses successive-approximation conversion techniques for fast and accurate analog-to-digital conversion.
Applications
The MAX11605 is suitable for a variety of applications requiring high-speed, low-power analog-to-digital conversion. These include:
- Industrial Automation: For monitoring and controlling industrial processes.
- Medical Devices: For data acquisition in medical diagnostic equipment.
- Aerospace and Defense: For high-reliability data conversion in aerospace and defense systems.
- Automotive Systems: For sensor data acquisition in automotive applications.
- Consumer Electronics: For use in various consumer electronic devices requiring high-speed data conversion.
Q & A
- What is the resolution of the MAX11605 ADC?
The MAX11605 has an 8-bit resolution.
- How many analog input channels does the MAX11605 have?
The MAX11605 has 12 analog input channels.
- What are the supply voltage ranges for the MAX11605?
The MAX11605 operates from a single supply voltage of 2.7V to 3.6V or 4.5V to 5.5V.
- What is the maximum throughput rate of the MAX11605?
The maximum throughput rate of the MAX11605 is 188ksps.
- Does the MAX11605 support external reference voltage?
Yes, the MAX11605 can be configured to use an external reference voltage from 1V to VDD.
- What is the power consumption of the MAX11605 at maximum sampling rate?
The MAX11605 consumes 350µA at the maximum sampling rate of 188ksps.
- What is the AutoShutdown™ feature in the MAX11605?
The AutoShutdown™ feature powers down the device between conversions, reducing supply current to less than 1µA at low throughput rates.
- What type of serial interface does the MAX11605 use?
The MAX11605 uses an I²C-compatible 2-wire serial interface.
- Can the analog inputs of the MAX11605 be configured for different modes?
Yes, the analog inputs are software configurable for unipolar or bipolar and single-ended or pseudo-differential operation.
- What is the typical track/hold acquisition time of the MAX11605?
The typical track/hold acquisition time of the MAX11605 is 588ns.
