Overview
The MAX1292ACEG+T, produced by Analog Devices Inc./Maxim Integrated, is a low-power, 12-bit analog-to-digital converter (ADC) designed for high-performance and low-power applications. This device operates with a single +5V analog supply and features a VLOGIC pin that allows it to interface directly with a +2.7V to +5.5V digital supply. The MAX1292 is part of the MAX1290/MAX1292 family, which is known for its successive-approximation ADC architecture, automatic power-down, fast wake-up time of 2µs, and an on-chip clock. The device is particularly suited for battery-powered and data-acquisition systems due to its excellent dynamic performance, low power consumption, and small package size.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Linearity | ±0.5 LSB |
| Sampling Rate | Up to 400ksps |
| Analog Supply Voltage | +5V |
| Digital Supply Voltage | +2.7V to +5.5V |
| Number of Input Channels | 4 (single-ended), 2 (pseudo-differential) |
| Input Type | Single-ended, pseudo-differential |
| Data Interface | Byte-wide parallel (8 + 4) |
| Internal Reference | +2.5V |
| Power Consumption | 10mW at 400ksps, < 10µA in shutdown |
| Operating Temperature | 0°C to +70°C |
| Package | 24-pin QSOP |
Key Features
- 12-bit resolution with ±0.5 LSB linearity
- Single +5V analog supply operation
- User-adjustable logic level (+2.7V to +5.5V)
- Internal +2.5V reference
- Software-configurable analog input multiplexer: 4-channel single-ended, 2-channel pseudo-differential
- Software-configurable unipolar/bipolar analog inputs
- Low power consumption: 10mW at 400ksps, < 10µA in shutdown
- Internal 6MHz full-power bandwidth track/hold
- Byte-wide parallel interface
- Fast wake-up time of 2µs
- Small footprint: 24-pin QSOP package
Applications
- Industrial Control Systems
- Data Logging
- Energy Management
- Patient Monitoring
- Data-Acquisition Systems
- Touchscreens
- Battery-powered systems
Q & A
- What is the resolution of the MAX1292ACEG+T ADC?
The MAX1292ACEG+T has a 12-bit resolution.
- What is the maximum sampling rate of the MAX1292ACEG+T?
The maximum sampling rate is up to 400ksps.
- What are the analog and digital supply voltage ranges for the MAX1292ACEG+T?
The analog supply voltage is +5V, and the digital supply voltage range is +2.7V to +5.5V.
- How many input channels does the MAX1292ACEG+T have?
The device has 4 single-ended input channels or 2 pseudo-differential input channels.
- What type of data interface does the MAX1292ACEG+T use?
The device uses a byte-wide parallel (8 + 4) interface.
- What is the internal reference voltage of the MAX1292ACEG+T?
The internal reference voltage is +2.5V.
- What is the power consumption of the MAX1292ACEG+T at 400ksps?
The power consumption is 10mW at 400ksps.
- What is the wake-up time of the MAX1292ACEG+T from power-down mode?
The wake-up time is 2µs.
- In what package is the MAX1292ACEG+T available?
The device is available in a 24-pin QSOP package.
- What are some typical applications of the MAX1292ACEG+T?
Typical applications include industrial control systems, data logging, energy management, patient monitoring, and data-acquisition systems.
