Overview
The MAX1261AEEI+T from Analog Devices Inc./Maxim Integrated is a high-performance, low-power 12-bit analog-to-digital converter (ADC). This device is designed for high-speed, high-resolution data acquisition applications, featuring a successive approximation ADC architecture. It operates with a single +3V analog supply and supports a wide range of digital supply voltages from +1.8V to +3.6V. The MAX1261AEEI+T is particularly suited for battery-powered and data-acquisition applications where power consumption and space are critical factors.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12 Bits | |
| Sampling Rate | 250 kS/s | |
| Analog Supply Voltage | 2.7V ~ 3.6V | V |
| Digital Supply Voltage | 1.8V ~ 3.6V | V |
| Integral Nonlinearity (INL) | ± 0.5 LSB | |
| Differential Nonlinearity (DNL) | No missing codes over temperature | |
| Signal-to-Noise Plus Distortion (SINAD) | 70 dB | |
| Total Harmonic Distortion (THD) | -78 dB | |
| Spurious-Free Dynamic Range (SFDR) | 80 dB | |
| Operating Temperature | -40°C ~ 85°C | °C |
| Package | 28-SSOP (0.154", 3.90mm Width) |
Key Features
- Low-power consumption: 5.7mW at 250ksps, with power-down modes to reduce current to under 10μA at reduced sampling rates.
- Software-configurable analog inputs for unipolar/bipolar and single-ended/pseudo-differential operation.
- Internal +2.5V reference and on-chip clock.
- High-speed, byte-wide parallel interface.
- Automatic power-down and fast wake-up (2μs).
- User-adjustable logic level (+1.8V to +3.6V).
- Small footprint: 28-pin QSOP package.
Applications
The MAX1261AEEI+T is ideal for various applications, including:
- Battery-powered devices where low power consumption is crucial.
- Data-acquisition systems requiring high resolution and speed.
- Industrial and commercial systems with demanding power and space requirements.
- Medical devices and portable equipment.
Q & A
- What is the resolution of the MAX1261AEEI+T ADC?
The MAX1261AEEI+T has a 12-bit resolution. - What is the maximum sampling rate of the MAX1261AEEI+T?
The maximum sampling rate is 250 kS/s. - What are the operating supply voltage ranges for the MAX1261AEEI+T?
The analog supply voltage range is 2.7V ~ 3.6V, and the digital supply voltage range is 1.8V ~ 3.6V. - What is the power consumption of the MAX1261AEEI+T at the maximum sampling rate?
The power consumption is 5.7mW at 250ksps. - Does the MAX1261AEEI+T have power-down modes?
Yes, it has two software-selectable power-down modes to reduce power consumption. - What is the package type of the MAX1261AEEI+T?
The MAX1261AEEI+T is available in a 28-SSOP package. - What are the operating temperature ranges for the MAX1261AEEI+T?
The operating temperature range is -40°C ~ 85°C. - Does the MAX1261AEEI+T have an internal reference?
Yes, it has an internal +2.5V reference. - What type of interface does the MAX1261AEEI+T use?
The MAX1261AEEI+T uses a high-speed, byte-wide parallel interface. - Is the MAX1261AEEI+T suitable for battery-powered devices?
Yes, it is particularly suited for battery-powered devices due to its low power consumption.
