Overview
The MAX1243BCSA+T is a low-power, 10-bit analog-to-digital converter (ADC) from Analog Devices Inc./Maxim Integrated. This device is part of the MAX1242/MAX1243 series and is designed for applications requiring high accuracy and low power consumption. It operates with a single supply voltage ranging from +2.7V to +5.25V and features a high-speed, 3-wire serial interface.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Resolution | 10 bits | |
| Supply Voltage (VDD) | +2.7V to +5.25V | |
| Maximum Sampling Rate | 73ksps | fSCLK = 2.1MHz |
| Conversion Time | 7.5µs | |
| Track/Hold Acquisition Time | 1.5µs | |
| Power Consumption (Operating) | 3mW (VDD = 3V) | 73ksps |
| Power Consumption (Shutdown) | 2µA | |
| Internal Reference Voltage | 2.5V (MAX1242 only) | |
| External Reference Voltage Range | 0V to VREF | (MAX1243) |
| Package Type | 8-pin SOIC | |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- Low power consumption: 3mW at 73ksps and 2µA in shutdown mode.
- High-speed, 3-wire serial interface.
- Single supply operation: +2.7V to +5.25V.
- Fast track/hold acquisition time of 1.5µs.
- Internal 2.5V reference (MAX1242) or external reference (MAX1243).
- Available in 8-pin SOIC package.
- Guaranteed over the extended temperature range of -40°C to +85°C.
Applications
The MAX1243BCSA+T is suitable for various applications requiring low power and high accuracy, such as:
- Battery-powered devices.
- Portable medical devices.
- Industrial control systems.
- Automotive systems.
- Consumer electronics.
Q & A
- What is the resolution of the MAX1243BCSA+T ADC?
The MAX1243BCSA+T has a resolution of 10 bits.
- What is the operating supply voltage range for the MAX1243BCSA+T?
The operating supply voltage range is +2.7V to +5.25V.
- What is the maximum sampling rate of the MAX1243BCSA+T?
The maximum sampling rate is 73ksps.
- How long does the conversion process take for the MAX1243BCSA+T?
The conversion time is 7.5µs.
- What is the power consumption of the MAX1243BCSA+T in operating mode?
The power consumption is 3mW at VDD = 3V and 73ksps.
- What is the power consumption of the MAX1243BCSA+T in shutdown mode?
The power consumption in shutdown mode is 2µA.
- Does the MAX1243BCSA+T have an internal reference voltage?
No, the MAX1243 requires an external reference voltage. However, the MAX1242 has an internal 2.5V reference.
- What is the package type of the MAX1243BCSA+T?
The MAX1243BCSA+T is available in an 8-pin SOIC package.
- What is the operating temperature range of the MAX1243BCSA+T?
The operating temperature range is -40°C to +85°C.
- What are some typical applications for the MAX1243BCSA+T?
Typical applications include battery-powered devices, portable medical devices, industrial control systems, automotive systems, and consumer electronics.
