Overview
The MAX1240CCPA, produced by Analog Devices Inc./Maxim Integrated, is a low-power, 12-bit analog-to-digital converter (ADC) designed for applications requiring high precision and low power consumption. This ADC operates on a single supply voltage ranging from +2.7V to +3.6V and is available in an 8-pin DIP or SO package. It features a successive-approximation ADC with a fast track/hold circuit and an on-chip clock, making it suitable for various data acquisition and remote-sensor applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Supply Voltage | +2.7V to +3.6V |
| Conversion Time | 7.5µs |
| Track/Hold Time | 1.5µs |
| Sampling Rate | Up to 73ksps |
| Power Consumption | 37mW (VDD = 3V), 5µW (power-down mode) |
| Reference Voltage | Internal 2.5V reference |
| Interface | 3-wire serial interface (SPI, QSPI, MICROWIRE compatible) |
| Package Type | 8-pin DIP, 8-pin SO |
Key Features
- Single-supply operation: +2.7V to +3.6V
- 12-bit resolution
- Internal 2.5V reference voltage
- Small footprint: 8-pin DIP and SO packages
- Low power consumption: 37mW at 73ksps, 5µW in power-down mode
- Internal track/hold circuit
- High-speed, 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE
- Shutdown mode with supply current below 10µA
Applications
- Battery-powered systems
- Portable data logging
- Isolated data acquisition
- Process control instrumentation
- Remote-sensor applications
Q & A
- What is the resolution of the MAX1240CCPA ADC?
The MAX1240CCPA has a 12-bit resolution. - What is the operating voltage range of the MAX1240CCPA?
The MAX1240CCPA operates on a single supply voltage ranging from +2.7V to +3.6V. - What is the conversion time of the MAX1240CCPA?
The conversion time is 7.5µs. - What is the track/hold time of the MAX1240CCPA?
The track/hold time is 1.5µs. - What is the maximum sampling rate of the MAX1240CCPA?
The maximum sampling rate is up to 73ksps. - How much power does the MAX1240CCPA consume at maximum sampling rate?
The power consumption is 37mW at VDD = 3V. - What is the power consumption in power-down mode?
The power consumption in power-down mode is 5µW. - Does the MAX1240CCPA have an internal reference voltage?
Yes, the MAX1240CCPA has an internal 2.5V reference voltage. - What type of interface does the MAX1240CCPA use?
The MAX1240CCPA uses a 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE. - In what packages is the MAX1240CCPA available?
The MAX1240CCPA is available in 8-pin DIP and 8-pin SO packages.
