Overview
The MAX186AMJP is a low-power, 8-channel, serial 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This integrated circuit combines an 8-channel multiplexer, high-bandwidth track/hold, and a serial interface, making it a versatile data-acquisition system. The MAX186AMJP operates from a single +5V supply and is designed for applications requiring high resolution and low power consumption.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Resolution | - | - | - | 12 | - | bits |
| Number of Channels | - | - | - | 8 | - | - |
| Sampling Rate | - | - | - | 133k | - | sps |
| Supply Voltage | VDD | - | 4.75 | 5.0 | 5.25 | V |
| Supply Current (Operating) | IDD | - | 1.5 | 2.0 | 2.5 | mA |
| Track/Hold Acquisition Time | tACQ | - | - | 1.5 | - | µs |
| Conversion Time | tCONV | External clock, 2MHz | - | 6 | - | µs |
| Input Voltage Range | VIN | - | 0 | - | VREF | V |
| Input Current | - | - | 200 | - | 350 | µA |
| Input Resistance | - | - | 12 | - | 20 | kΩ |
Key Features
- Low power consumption with an operating current of 1.5mA to 2.5mA.
- High resolution of 12 bits.
- 8-channel multiplexer for multiple input signal handling.
- High-bandwidth track/hold circuit with an acquisition time of 1.5µs.
- Serial interface for data transfer.
- External clock capability with a maximum clock frequency of 2MHz.
- Internal or external reference options (MAX186 and MAX188 respectively).
Applications
The MAX186AMJP is suitable for a wide range of applications, including:
- Data acquisition systems in industrial and medical devices.
- Automotive systems requiring high-resolution ADCs.
- Portable and battery-powered devices due to its low power consumption.
- Embedded systems and IoT devices needing multiple channel ADC capabilities.
Q & A
- What is the resolution of the MAX186AMJP ADC?
The MAX186AMJP has a resolution of 12 bits. - How many channels does the MAX186AMJP support?
The MAX186AMJP supports 8 channels. - What is the sampling rate of the MAX186AMJP?
The sampling rate of the MAX186AMJP is up to 133ksps. - What is the supply voltage range for the MAX186AMJP?
The supply voltage range is from 4.75V to 5.25V. - What is the typical operating current of the MAX186AMJP?
The typical operating current is 2.0mA. - How long does the track/hold acquisition take?
The track/hold acquisition time is 1.5µs. - Can the MAX186AMJP use an external clock?
Yes, the MAX186AMJP can use an external clock with a maximum frequency of 2MHz. - What are the input voltage range and input current for the MAX186AMJP?
The input voltage range is from 0 to VREF, and the input current is between 200µA and 350µA. - What is the input resistance of the MAX186AMJP?
The input resistance is between 12kΩ and 20kΩ. - What are some typical applications for the MAX186AMJP?
Typical applications include data acquisition systems, automotive systems, portable devices, and embedded systems.
