Overview
The MAX1243ACPA+ is a low-power, 10-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device operates with a single supply voltage ranging from +2.7V to +5.25V and is available in an 8-pin package. It features a successive-approximation ADC with a conversion time of 7.5µs and a fast track/hold time of 1.5µs. The MAX1243ACPA+ also includes an on-chip clock and a high-speed, 3-wire serial interface, making it suitable for various applications requiring efficient and precise analog-to-digital conversion.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Operating Supply Voltage | 2.7V to 5.25V | V |
| Resolution | 10 Bits | |
| Conversion Time | 7.5µs | µs |
| Track/Hold Acquisition Time | 1.5µs | µs |
| Throughput Rate | 73 ksps | ksps |
| Input Voltage Range | 0V to VREF | V |
| Reference Type | External | |
| Operating Temperature | 0°C to 70°C | °C |
| Power Consumption (VDD = 3V) | 3mW | mW |
| Shutdown Current (VDD ≤ 3.6V) | < 10µA | µA |
Key Features
- Low power consumption: 3mW at maximum sampling speed of 73ksps (VDD = 3V).
- Fast conversion time: 7.5µs including track/hold acquisition time.
- High-speed, 3-wire serial interface for easy integration with microprocessors.
- External reference voltage range: 1.0V to VDD.
- Shutdown mode with current below 10µA (VDD ≤ 3.6V).
- Available in various package options, including SO-8 and DIP.
Applications
The MAX1243ACPA+ is suitable for a variety of applications that require low-power, high-speed analog-to-digital conversion. These include:
- Portable and battery-powered devices due to its low power consumption.
- Industrial control systems where precise and fast analog-to-digital conversion is necessary.
- Medical devices that require high accuracy and low power consumption.
- Automotive systems where reliability and efficiency are critical.
Q & A
- What is the operating supply voltage range of the MAX1243ACPA+?
The operating supply voltage range is from +2.7V to +5.25V. - What is the resolution of the MAX1243ACPA+?
The resolution is 10 bits. - What is the conversion time of the MAX1243ACPA+?
The conversion time is 7.5µs, including track/hold acquisition time. - Does the MAX1243ACPA+ have an internal reference voltage?
No, the MAX1243ACPA+ requires an external reference voltage. - What is the throughput rate of the MAX1243ACPA+?
The throughput rate is up to 73 ksps. - How much power does the MAX1243ACPA+ consume at maximum sampling speed?
It consumes 3mW at VDD = 3V. - What is the shutdown current of the MAX1243ACPA+?
The shutdown current is below 10µA (VDD ≤ 3.6V). - What types of packages are available for the MAX1243ACPA+?
It is available in SO-8 and DIP packages among others. - What is the operating temperature range of the MAX1243ACPA+?
The operating temperature range is from 0°C to 70°C. - How does the MAX1243ACPA+ interface with microprocessors?
It uses a high-speed, 3-wire serial interface (SCLK, CS, and DOUT).
