Overview
The MAX1243BCPA+ is a low-power, 10-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1242/MAX1243 series and is available in an 8-pin package. It operates with a single supply voltage ranging from +2.7V to +5.25V, making it suitable for a variety of applications where low power consumption and high accuracy are required.
Key Specifications
| Specification | Value |
|---|---|
| Number of Converters | 1 Converter |
| Operating Supply Voltage | +2.7V to +5.25V |
| Resolution | 10-bit |
| Conversion Time | 7.5µs (including track/hold acquisition time) |
| Integral Nonlinearity (INL) | ±1 LSB |
| Operating Temperature Range | 0°C to +70°C (MAX1243_C_A), -40°C to +85°C (MAX1243_E_A) |
| Storage Temperature Range | -60°C to +150°C |
| Lead Temperature (soldering, 10s) | +300°C |
| Soldering Temperature (reflow) | +260°C |
| Power Consumption | 3mW (VDD = 3V) at 73ksps maximum sampling speed |
| Shutdown Current | < 10µA (VDD ≤ 3.6V) |
Key Features
- Low power consumption: 3mW at 73ksps with a shutdown mode reducing power to below 10µA.
- Fast track/hold time: 1.5µs.
- High-speed, 3-wire serial interface: Includes SCLK, CS, and DOUT lines for easy microprocessor interface.
- Internal or external reference: The MAX1243 requires an external reference voltage, which can range from 1.0V to VDD.
- Compact packaging: Available in 8-pin packages.
Applications
The MAX1243BCPA+ is suitable for various applications where low power consumption and high accuracy are critical. These include:
- Portable and battery-powered devices due to its low power consumption and shutdown mode.
- Industrial control systems where precise analog-to-digital conversion is necessary.
- Medical devices requiring accurate and low-power ADCs.
- Automotive systems where the device's operating temperature range and reliability are essential.
Q & A
- What is the operating supply voltage range of the MAX1243BCPA+?
The operating supply voltage range is +2.7V to +5.25V. - What is the resolution of the MAX1243BCPA+ ADC?
The resolution is 10-bit. - How long does a conversion take for the MAX1243BCPA+?
A conversion takes 7.5µs, including track/hold acquisition time. - What is the integral nonlinearity (INL) of the MAX1243BCPA+?
The INL is ±1 LSB. - What are the operating temperature ranges for the MAX1243BCPA+?
The operating temperature ranges are 0°C to +70°C (MAX1243_C_A) and -40°C to +85°C (MAX1243_E_A). - How much power does the MAX1243BCPA+ consume at maximum sampling speed?
The power consumption is 3mW at 73ksps with VDD = 3V. - What is the shutdown current of the MAX1243BCPA+?
The shutdown current is below 10µA (VDD ≤ 3.6V). - Does the MAX1243BCPA+ have an internal or external reference voltage?
The MAX1243BCPA+ requires an external reference voltage, which can range from 1.0V to VDD. - What type of packaging is available for the MAX1243BCPA+?
The device is available in 8-pin packages. - What is the maximum lead temperature for soldering the MAX1243BCPA+?
The maximum lead temperature for soldering is +300°C.
