Overview
The MAX1265BCEI+ is a low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device features a successive-approximation ADC, automatic power-down, and a fast wake-up time of 2µs. It operates with a single +2.7V to +3.6V analog supply and includes an on-chip clock and a +2.5V internal reference. The MAX1265BCEI+ is designed for applications requiring high dynamic performance, low power consumption, and small package size, making it ideal for battery-powered and data-acquisition systems.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Sampling Rate | 265ksps |
| Analog Supply Voltage | +2.7V to +3.6V |
| Internal Reference | +2.5V |
| Power Consumption | 5.4mW at 265ksps |
| Wake-Up Time | 2µs |
| Input Channels | 6 single-ended / 3 pseudo-differential |
| Package Type | 28-pin QSOP |
| Operating Temperature | 0°C to +70°C |
Key Features
- 12-bit resolution with ±0.5 LSB linearity
- Single +3V supply operation
- Internal +2.5V reference
- Software-configurable analog input multiplexer for unipolar/bipolar and single-ended/pseudo-differential operation
- Low power consumption: 1.9mA at 265ksps, 1.0mA at 100ksps, 400µA at 10ksps, and 2µA in shutdown mode
- Internal 3MHz full-power bandwidth track/hold
- High-speed 12-bit parallel interface
- Small footprint in a 28-pin QSOP package
Applications
- Industrial Control Systems
- Data Logging
- Energy Management
- Patient Monitoring
- Data-Acquisition Systems
- Touch Screens
Q & A
- What is the resolution of the MAX1265BCEI+ ADC?
The MAX1265BCEI+ has a 12-bit resolution. - What is the maximum sampling rate of the MAX1265BCEI+?
The maximum sampling rate is 265ksps. - What is the operating voltage range of the MAX1265BCEI+?
The device operates with a single +2.7V to +3.6V analog supply. - How many input channels does the MAX1265BCEI+ have?
In single-ended mode, it has six input channels, and in pseudo-differential mode, it has three input channels. - What is the power consumption at the maximum sampling rate?
The power consumption is 5.4mW at 265ksps. - What is the wake-up time from power-down mode?
The wake-up time is 2µs. - What package type is the MAX1265BCEI+ available in?
The device is available in a 28-pin QSOP package. - What are the operating temperature ranges for the MAX1265BCEI+?
The operating temperature range is 0°C to +70°C. - Does the MAX1265BCEI+ have an internal clock and reference?
Yes, it includes an on-chip clock and a +2.5V internal reference. - What are some typical applications for the MAX1265BCEI+?
Typical applications include industrial control systems, data logging, energy management, patient monitoring, data-acquisition systems, and touch screens.
