Overview
The MAX187AEPA is a 12-bit serial analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This component operates from a single +5V supply and is designed for low-power consumption, making it ideal for applications where power efficiency and space are critical. The MAX187AEPA features an on-chip buffered reference and communicates with most digital signal processors and microcontrollers through an interface compatible with SPI, QSPI, and MICROWIRE.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Resolution | - | - | - | - | 12 bits | - |
| Integral Nonlinearity | - | - | - | ±½ LSB | - | - |
| Supply Voltage | VDD | - | 4.75 | 5.25 | V | |
| Supply Current (Operating) | IDD | - | 1.5 | 2.5 | mA | |
| Supply Current (Power-down) | IDD | - | 2 | 10 | µA | |
| Sampling Rate | - | - | - | 75 kHz | - | - |
| Conversion Time | tCONV | - | - | 5.5 to 8.5 Fs | - | |
| Track/Hold Acquisition Time | tACQ | - | - | 1.5 Fs | - | |
| Operating Temperature Range | - | - | 0°C to +70°C | - | - | |
| Storage Temperature Range | - | - | -60°C to +150°C | - | - |
Key Features
- 12-bit resolution with ±½ LSB integral nonlinearity.
- Single +5V operation with low power consumption (7.5mW in operating mode and 10µA in power-down mode).
- On-chip buffered reference (MAX187AEPA).
- Compatible with SPI, QSPI, and MICROWIRE interfaces.
- Internal track/hold with a sampling rate of 75 kHz.
- Small package size with 8-pin PDIP and 16-pin SO options.
- Excellent AC characteristics and very low power consumption.
Applications
The MAX187AEPA is suitable for various applications where low power consumption and compact design are essential. These include remote DSP and sensor applications, as well as circuits where power and space are critical. It is also ideal for use in battery-powered devices, portable electronics, and other low-power systems.
Q & A
- What is the resolution of the MAX187AEPA ADC?
The MAX187AEPA has a 12-bit resolution. - What is the supply voltage range for the MAX187AEPA?
The supply voltage range is from 4.75V to 5.25V. - How much power does the MAX187AEPA consume in operating mode?
The power consumption in operating mode is 7.5mW. - What is the sampling rate of the MAX187AEPA?
The sampling rate is 75 kHz. - Does the MAX187AEPA have an internal reference?
Yes, the MAX187AEPA has an on-chip buffered reference. - What interfaces is the MAX187AEPA compatible with?
The MAX187AEPA is compatible with SPI, QSPI, and MICROWIRE interfaces. - What are the package options for the MAX187AEPA?
The MAX187AEPA is available in 8-pin PDIP and 16-pin SO packages. - What is the operating temperature range for the MAX187AEPA?
The operating temperature range is from 0°C to +70°C. - How much current does the MAX187AEPA draw in power-down mode?
The current draw in power-down mode is 2 to 10 µA. - What are some typical applications for the MAX187AEPA?
Typical applications include remote DSP and sensor applications, battery-powered devices, and other low-power systems.
