Overview
The MAX1240BESA/V+T is a low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is designed to operate with a single supply voltage ranging from +2.7V to +3.6V, making it suitable for a variety of applications where power efficiency and compact design are crucial. The MAX1240 features a successive-approximation register (SAR) architecture, a fast track/hold circuit, and an on-chip clock, enabling high-speed conversions with minimal power consumption.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Part Number | MAX1240BESA/V+T |
| Number of Bits | 12 |
| Sampling Rate (Per Second) | 73 kSPS |
| Number of Inputs | 1 |
| Input Type | Single Ended |
| Data Interface | SPI |
| Configuration | S/H-ADC |
| Architecture | SAR |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 2.7V ~ 3.6V |
| Voltage - Supply, Digital | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
Key Features
- Low power consumption: 37mW at 73kSPS and 2µA in shutdown mode.
- Fast track/hold circuit: 1.5µs acquisition time.
- High-speed 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- Internal 2.5V reference voltage for the MAX1240.
- Single supply operation: +2.7V to +3.6V.
- Compact 8-pin SOIC package.
- Excellent AC characteristics and low power, making it ideal for remote-sensor and data-acquisition applications.
Applications
The MAX1240BESA/V+T is well-suited for various applications where low power consumption, high speed, and compact design are essential. These include:
- Remote sensor applications: Due to its low power consumption and small package size, it is ideal for battery-powered remote sensors.
- Data acquisition systems: The device’s high-speed conversion and low power make it suitable for data acquisition systems where power efficiency is critical.
- Industrial control systems: Its robust design and wide operating temperature range make it a good fit for industrial control environments.
- Medical devices: The low power and high accuracy of the MAX1240 make it suitable for medical devices that require precise analog-to-digital conversion.
Q & A
- What is the resolution of the MAX1240BESA/V+T ADC?
The MAX1240BESA/V+T has a 12-bit resolution. - What is the sampling rate of the MAX1240BESA/V+T?
The sampling rate is up to 73 kSPS. - What type of data interface does the MAX1240BESA/V+T use?
The device uses a high-speed 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE. - What is the supply voltage range for the MAX1240BESA/V+T?
The supply voltage range is from +2.7V to +3.6V. - Does the MAX1240BESA/V+T have an internal reference voltage?
Yes, the MAX1240BESA/V+T has an internal 2.5V reference voltage. - What is the operating temperature range of the MAX1240BESA/V+T?
The operating temperature range is from -40°C to 85°C. - What is the package type of the MAX1240BESA/V+T?
The device is packaged in an 8-pin SOIC (0.154", 3.90mm Width). - Is the MAX1240BESA/V+T RoHS compliant?
Yes, the MAX1240BESA/V+T is ROHS3 compliant. - What is the power consumption of the MAX1240BESA/V+T at maximum sampling speed?
The power consumption is 37mW at 73kSPS. - Does the MAX1240BESA/V+T have a shutdown mode?
Yes, the device has a shutdown mode that reduces power consumption to 2µA. - What are some typical applications of the MAX1240BESA/V+T?
Typical applications include remote sensor applications, data acquisition systems, industrial control systems, and medical devices.
