Overview
The MAX1290AEEI+T is a 12-bit, successive-approximation (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is designed for high-performance data acquisition and is particularly suited for applications requiring low power consumption and high accuracy. The MAX1290AEEI+T operates with a single +5V analog supply and can interface with digital supplies ranging from +2.7V to +5.5V, making it versatile for various system configurations.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer / Brand | Analog Devices Inc./Maxim Integrated |
| Package / Case | 28-SSOP (0.154", 3.90mm Width) |
| Operating Temperature | -40°C ~ 85°C |
| Number of Bits | 12 |
| Sampling Rate (Per Second) | 400k |
| Number of Inputs | 4, 8 |
| Input Type | Pseudo-Differential, Single Ended |
| Data Interface | Parallel |
| Configuration | MUX-S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 2.7 V ~ 5.5 V |
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 (8-channel single-ended or 4-channel pseudo-differential)
- Software-configurable unipolar/bipolar analog inputs
- Low power consumption: 10mW at 400ksps, 2µA in shutdown mode
- Fast wake-up time of 2µs
- Byte-wide parallel interface
- Small footprint: 28-pin QSOP package
Applications
- Industrial Control Systems
- Data Logging
- Energy Management
- Patient Monitoring
- Data-Acquisition Systems
- Touchscreens
- Battery-powered devices
Q & A
- What is the resolution of the MAX1290AEEI+T ADC? The MAX1290AEEI+T has a 12-bit resolution.
- What is the maximum sampling rate of the MAX1290AEEI+T? The maximum sampling rate is 400ksps.
- How many input channels does the MAX1290AEEI+T have? It has 8 single-ended or 4 pseudo-differential input channels.
- What is the operating temperature range of the MAX1290AEEI+T? The operating temperature range is -40°C to 85°C.
- What type of data interface does the MAX1290AEEI+T use? It uses a byte-wide parallel interface.
- Can the MAX1290AEEI+T be powered down to save power? Yes, it has two software-selectable power-down modes to reduce power consumption.
- What is the package type of the MAX1290AEEI+T? It is available in a 28-pin QSOP package.
- Is the MAX1290AEEI+T RoHS compliant? Yes, it is RoHS compliant.
- What is the architecture of the ADC in the MAX1290AEEI+T? The ADC uses a successive-approximation (SAR) architecture.
- What are the voltage supply requirements for the MAX1290AEEI+T? It requires a single +5V analog supply and can interface with digital supplies from +2.7V to +5.5V.
