Overview
The MAX1242AEPA+ is a low-power, 10-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is designed to operate with a single supply voltage ranging from +2.7V to +5.25V, making it suitable for a variety of low-power and low-voltage applications. The MAX1242AEPA+ features a successive-approximation ADC architecture, a fast track/hold circuit, an on-chip clock, and a high-speed, 3-wire serial interface. This ADC is particularly useful in systems that require high precision and low power consumption.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 10-bit | |
| Sampling Rate | Up to 73 ksps | |
| Supply Voltage | +2.7V to +5.25V | |
| Power Consumption | 3 mW (at VDD = 3V) | |
| Track/Hold Acquisition Time | 1.5 µs | |
| Serial Interface | 3-wire | |
| Operating Temperature Range | -40°C to +85°C | |
| Package Type | 8-pin PDIP or SO |
Key Features
- Low power consumption: 3 mW at maximum sampling speed
- Fast track/hold circuit with 1.5 µs acquisition time
- On-chip clock and high-speed 3-wire serial interface
- Internal 2.5V reference voltage (MAX1242) or external reference capability (MAX1243)
- Shutdown mode reducing power to 2 µA
- High precision with low noise and high accuracy
Applications
- Battery-powered instruments
- Portable medical devices
- Industrial control systems
- Automotive sensors and systems
- Consumer electronics requiring low power and high precision ADCs
Q & A
- What is the resolution of the MAX1242AEPA+ ADC?
The MAX1242AEPA+ has a 10-bit resolution. - What is the operating supply voltage range for the MAX1242AEPA+?
The operating supply voltage range is from +2.7V to +5.25V. - What is the maximum sampling rate of the MAX1242AEPA+?
The maximum sampling rate is up to 73 ksps. - Does the MAX1242AEPA+ have an internal reference voltage?
Yes, the MAX1242 has an internal 2.5V reference voltage, while the MAX1243 requires an external reference. - What is the power consumption of the MAX1242AEPA+ at maximum sampling rate?
The power consumption is 3 mW at VDD = 3V. - What is the track/hold acquisition time of the MAX1242AEPA+?
The track/hold acquisition time is 1.5 µs. - What type of serial interface does the MAX1242AEPA+ use?
The MAX1242AEPA+ uses a high-speed 3-wire serial interface. - What are the operating temperature ranges for the MAX1242AEPA+?
The operating temperature range is from -40°C to +85°C. - What package types are available for the MAX1242AEPA+?
The MAX1242AEPA+ is available in 8-pin PDIP or SO packages. - Does the MAX1242AEPA+ have a shutdown mode?
Yes, the MAX1242AEPA+ has a shutdown mode that reduces power to 2 µA.
