Overview
The MAX1112EAP+T is an 8-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This integrated circuit is designed for high-speed and low-power conversion, making it suitable for various applications requiring precise and efficient data acquisition. The MAX1112EAP+T features a successive approximation register (SAR) architecture, which ensures high accuracy and fast conversion times. It operates with a single 4.5V to 5.5V supply and supports both external and internal reference sources. The device is packaged in a 20-pin SSOP, making it ideal for space-constrained applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 8-bit |
| Number of ADCs | 1 |
| Number of Input Channels | 8 (single-ended or 4 differential) |
| Sampling Rate | Up to 50 ksps |
| Digital Interface Type | Serial (4-Wire, SPI, QSPI, Microwire) |
| Input Type | Voltage |
| Input Signal Type | Single-Ended, Pseudo-Differential |
| Voltage Reference | Internal (4.096V) or External (1V to VDD) |
| Voltage Supply Source | Single (4.5V to 5.5V) |
| Typical Power Dissipation | 0.675 mW |
| Maximum Power Dissipation | 640 mW |
| Integral Nonlinearity Error | ±0.5 LSB |
| Full Scale Error | ±1 LSB |
| Sample and Hold | Yes |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | 85°C |
| Package | 20-pin SSOP |
| Lead Shape | Gull-wing |
Key Features
- 8-bit analog-to-digital converter with 4-8 input channels
- SAR architecture for high accuracy and fast conversion times
- SPI-compatible digital interface
- Supports both external and internal reference sources
- Sampling rate: up to 50 kHz
- Low power consumption: 135 µA at 50 ksps, 13 µA at 1 ksps
- Software-configurable unipolar or bipolar inputs
- Internal track/hold and clock
- Automatic power-down mode to minimize power consumption
Applications
- Measurement systems for industrial automation
- Medical devices requiring accurate signal processing
- Aerospace applications with strict power and size constraints
- Remote data-acquisition systems, including 4mA to 20mA-powered systems
Q & A
- What is the resolution of the MAX1112EAP+T ADC?
The MAX1112EAP+T has an 8-bit resolution. - How many input channels does the MAX1112EAP+T support?
The MAX1112EAP+T supports 8 single-ended or 4 differential input channels. - What is the sampling rate of the MAX1112EAP+T?
The sampling rate of the MAX1112EAP+T is up to 50 ksps. - What type of digital interface does the MAX1112EAP+T use?
The MAX1112EAP+T uses a 4-wire serial interface compatible with SPI, QSPI, and Microwire standards. - What is the power consumption of the MAX1112EAP+T at 50 ksps?
The power consumption is 135 µA at 50 ksps. - Can the MAX1112EAP+T operate with both internal and external reference sources?
Yes, the MAX1112EAP+T supports both internal and external reference sources. - What is the operating temperature range of the MAX1112EAP+T?
The operating temperature range is -40°C to 85°C. - What package type is the MAX1112EAP+T available in?
The MAX1112EAP+T is available in a 20-pin SSOP package. - Does the MAX1112EAP+T have an automatic power-down mode?
Yes, the MAX1112EAP+T has a software-programmable automatic power-down mode to minimize power consumption. - What are some common applications of the MAX1112EAP+T?
Common applications include measurement systems for industrial automation, medical devices, aerospace, and remote data-acquisition systems.
