Overview
The MAX1241BESA+ 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 known for its 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 compatible with SPI™, QSPI™, and MICROWIRE™ protocols.
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, 73ksps | ||
| Shutdown Current | 2 | µA | Power-down mode | ||
| Reference Type | External | ||||
| Operating Temperature | -40 | 85 | °C | ||
| Package Type | 8-SOIC (0.154", 3.90mm Width) |
Key Features
- Low power consumption: 37mW at 73ksps with VDD = 3V and 2µA in shutdown mode.
- High-speed, 3-wire serial interface compatible with SPI™, QSPI™, and MICROWIRE™ protocols.
- Successive-approximation ADC with a conversion time of 7.5µs and a fast track/hold time of 1.5µs.
- On-chip clock for simplified system design.
- External reference input with a range from 0V to VREF, including the positive supply rail.
- Available in 8-pin PDIP and SO packages, making it suitable for space-constrained applications.
Applications
The MAX1241BESA+ is ideal for various applications requiring low power consumption and high performance. These include:
- Remote sensor applications where power efficiency is crucial.
- Data acquisition systems that demand high accuracy and low power.
- Circuits with stringent power consumption and space requirements.
- Industrial automation and control systems.
- Medical devices and diagnostic equipment.
Q & A
- What is the supply voltage range for the MAX1241BESA+?
The supply voltage range for the MAX1241BESA+ is from +2.7V to +5.25V.
- What is the conversion time of the MAX1241BESA+?
The conversion time of the MAX1241BESA+ is 7.5µs.
- What type of serial interface does the MAX1241BESA+ use?
The MAX1241BESA+ uses a high-speed, 3-wire serial interface compatible with SPI™, QSPI™, and MICROWIRE™ protocols.
- Does the MAX1241BESA+ have an internal or external reference?
The MAX1241BESA+ requires an external reference.
- What is the power consumption of the MAX1241BESA+ at maximum sampling speed?
The power consumption is 37mW at 73ksps with VDD = 3V.
- What is the shutdown current of the MAX1241BESA+?
The shutdown current is 2µA.
- What are the typical operating temperatures for the MAX1241BESA+?
The operating temperature range is from -40°C to 85°C.
- In what package types is the MAX1241BESA+ available?
The MAX1241BESA+ is available in 8-pin PDIP and SO packages.
- What are some common applications for the MAX1241BESA+?
Common applications include remote sensor systems, data acquisition systems, and circuits with stringent power and space requirements.
- Is the MAX1241BESA+ compatible with standard microcontroller I/O ports?
