Overview
The MAX1240CCSA+ is a low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1240/MAX1241 family and is available in an 8-pin SOIC package. It operates with a single supply voltage ranging from +2.7V to +3.6V, making it suitable for a variety of battery-powered and low-voltage applications.
The MAX1240CCSA+ features a successive-approximation ADC with a conversion time of 7.5µs and a fast track/hold time of 1.5µs. It also includes an on-chip clock and a high-speed, 3-wire serial interface, which can be directly connected to standard microcontroller I/O ports.
Key Specifications
| Parameter | Min | Typ | Max | Units | Conditions |
|---|---|---|---|---|---|
| Supply Voltage (VDD) | 2.7 | - | 3.6 | V | - |
| Conversion Time (tCONV) | - | 7.5 | - | µs | - |
| Track/Hold Time (tACQ) | - | 1.5 | - | µs | - |
| Sampling Rate | - | 73 | - | ksps | fSCLK = 2.1MHz |
| Power Consumption | - | 37 | - | mW | VDD = 3V, 73ksps |
| Shutdown Current | - | 2 | - | µA | Power-down mode |
| Reference Voltage (Internal) | - | 2.5 | - | V | - |
Key Features
- Low-power consumption: 37mW at 73ksps with VDD = 3V and 2µA in shutdown mode.
- High-speed, 3-wire serial interface compatible with standard microcontroller I/O ports.
- Successive-approximation ADC with a conversion time of 7.5µs and a fast track/hold time of 1.5µs.
- On-chip clock and internal 2.5V reference voltage.
- Single supply operation from +2.7V to +3.6V.
- Small 8-pin SOIC package.
Applications
- Battery-powered devices: The low power consumption makes it ideal for battery-powered applications.
- Portable medical devices: Suitable for medical devices that require high accuracy and low power consumption.
- Industrial control systems: Can be used in various industrial control systems where precision and low power are crucial.
- Automotive systems: Applicable in automotive systems that require reliable and efficient data conversion.
- Consumer electronics: Ideal for consumer electronics that need high-performance ADCs with low power consumption.
Q & A
- What is the supply voltage range for the MAX1240CCSA+?
The MAX1240CCSA+ operates with a single supply voltage ranging from +2.7V to +3.6V.
- What is the conversion time of the MAX1240CCSA+?
The conversion time is 7.5µs.
- Does the MAX1240CCSA+ have an internal reference voltage?
- What is the maximum sampling rate of the MAX1240CCSA+?
The maximum sampling rate is 73ksps.
- How much power does the MAX1240CCSA+ consume at 73ksps?
The power consumption is 37mW at 73ksps with VDD = 3V.
- What is the shutdown current of the MAX1240CCSA+?
The shutdown current is 2µA.
- What type of interface does the MAX1240CCSA+ use?
The MAX1240CCSA+ uses a high-speed, 3-wire serial interface.
- Is the MAX1240CCSA+ suitable for battery-powered devices?
- What is the track/hold time of the MAX1240CCSA+?
The track/hold time is 1.5µs.
- What package type is the MAX1240CCSA+ available in?
The MAX1240CCSA+ is available in an 8-pin SOIC package.
