Overview
The MAX113 and MAX117 are microprocessor-compatible, 8-bit analog-to-digital converters (ADCs) produced by Analog Devices Inc./Maxim Integrated. These devices are designed for high-speed and low-power applications, making them suitable for a variety of uses, including battery-powered systems, portable equipment, system-health monitoring, and remote data acquisition.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 8-bit |
| Number of Channels | 4 (MAX113), 8 (MAX117) |
| Supply Voltage | +3.0V to +3.6V |
| Conversion Time | 1.8µs per channel (400ksps) |
| Power Consumption | 1.5mA (operating), 1µA (power-down) |
| Total Unadjusted Error | ≤1LSB |
| Reference Inputs | Ratiometric |
| Package Options | 24-pin DIP or SSOP (MAX113), 28-pin DIP or SSOP (MAX117) |
Key Features
- Low Power Operation: The devices operate at 1.5mA in normal mode and reduce to 1µA in power-down mode.
- Fast Conversion Time: Achieves a conversion time of 1.8µs per channel, resulting in a sampling rate of 400ksps.
- Ratiometric Reference Inputs: Allows for ratiometric operation, which is useful in various measurement applications.
- Internal Track/Hold: Enables the digitization of fast analog signals.
- Microprocessor Interface: Simplifies connection to microprocessors by appearing as a memory location or I/O port without external interface logic.
- Power-Down Mode: Quickly returns from power-down mode to normal operating mode in less than 900ns, ideal for burst-mode applications.
Applications
- Battery-Powered Systems: Suitable for applications where low power consumption is critical.
- Portable Equipment: Ideal for handheld and portable devices due to its low power and compact packaging.
- System-Health Monitoring: Can be used to monitor various system parameters in real-time.
- Remote Data Acquisition: Useful in remote sensing and data acquisition systems.
- Communications Systems: Can be integrated into communication systems for analog signal processing.
Q & A
- What is the resolution of the MAX113/MAX117 ADCs?
The MAX113 and MAX117 are 8-bit analog-to-digital converters.
- How many analog input channels do the MAX113 and MAX117 have?
The MAX113 has 4 channels, and the MAX117 has 8 channels.
- What is the operating supply voltage range for these ADCs?
The devices operate from a single +3.0V to +3.6V supply.
- What is the conversion time per channel for the MAX113/MAX117?
The conversion time is 1.8µs per channel, resulting in a sampling rate of 400ksps.
- How much power do the MAX113/MAX117 consume in operating and power-down modes?
In operating mode, they consume 1.5mA, and in power-down mode, they consume 1µA.
- Do the MAX113/MAX117 require an external clock for operation?
No, they do not require an external clock.
- What type of reference inputs do the MAX113/MAX117 support?
The devices support ratiometric reference inputs.
- How quickly do the MAX113/MAX117 return from power-down mode to normal operating mode?
The devices return from power-down mode to normal operating mode in less than 900ns.
- What package options are available for the MAX113 and MAX117?
The MAX113 is available in 24-pin DIP or SSOP, and the MAX117 is available in 28-pin DIP or SSOP.
- What are some typical applications for the MAX113/MAX117?
Typical applications include battery-powered systems, portable equipment, system-health monitoring, remote data acquisition, and communications systems.
