Overview
The MAX1241CCSA+ 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, known for their high performance and low power consumption. The MAX1241 operates with a single supply voltage ranging from +2.7V to +5.25V, making it versatile for various applications. It features a successive-approximation ADC with a conversion time of 7.5µs and a fast track/hold time of 1.5µs. The device also includes an on-chip clock and a high-speed, 3-wire serial interface, facilitating easy integration with microcontrollers.
Key Specifications
| Parameter | Min | Typ | Max | Units | Conditions |
|---|---|---|---|---|---|
| Supply Voltage (VDD) | 2.7 | - | 5.25 | V | - |
| Conversion Time | - | 7.5 | - | µs | - |
| Track/Hold Time | - | 1.5 | - | µs | - |
| Sampling Rate | - | 73 | - | ksps | - |
| Power Consumption | - | 37 | - | mW | VDD = 3V |
| Shutdown Current | - | 2 | - | µA | Power-down mode |
| Integral Nonlinearity (INL) | - | ±1 | - | LSB | - |
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 7.5µs conversion time and 1.5µs track/hold time.
- On-chip clock and external clock option for data access.
- External reference input with a range that includes the positive supply rail.
- High accuracy with ±1 LSB integral nonlinearity.
Applications
- Industrial automation and control systems.
- Medical devices requiring high accuracy and low power consumption.
- Automotive systems, especially those needing robust and reliable ADCs.
- Embedded systems and IoT devices where power efficiency is crucial.
- Test and measurement equipment.
Q & A
- What is the supply voltage range for the MAX1241CCSA+?
The MAX1241CCSA+ operates with a single supply voltage ranging from +2.7V to +5.25V.
- What is the conversion time of the MAX1241CCSA+?
The conversion time is 7.5µs.
- What is the track/hold time of the MAX1241CCSA+?
The track/hold time is 1.5µs.
- What is the maximum sampling rate of the MAX1241CCSA+?
The maximum sampling rate is 73ksps.
- How much power does the MAX1241CCSA+ consume at 73ksps with VDD = 3V?
The power consumption is 37mW at 73ksps with VDD = 3V.
- What is the shutdown current of the MAX1241CCSA+?
The shutdown current is 2µA.
- Does the MAX1241CCSA+ have an internal reference voltage?
No, the MAX1241CCSA+ requires an external reference voltage.
- What is the integral nonlinearity (INL) of the MAX1241CCSA+?
The INL is ±1 LSB.
- Is the MAX1241CCSA+ compatible with standard microcontroller I/O ports?
- What are some common applications of the MAX1241CCSA+?
Common applications include industrial automation, medical devices, automotive systems, embedded systems, and test and measurement equipment.
