Overview
The MAX1294BCEI is a high-performance, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device features a successive-approximation register (SAR) architecture and is designed for applications requiring fast sampling rates, low power consumption, and compact packaging. The MAX1294BCEI operates with a single +5V analog supply and includes an internal +2.5V reference, making it ideal for a variety of data acquisition and industrial automation tasks.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of Bits | 12 | - |
| Sampling Rate | 420 kSPS | - |
| Number of Inputs | 3 or 6 | - |
| Input Type | Pseudo-differential, Single-ended | - |
| Data Interface | Parallel 12-bit | - |
| Architecture | SAR (Successive Approximation Register) | - |
| Reference Type | Internal +2.5V | - |
| Voltage - Supply, Analog | +5V | V |
| Voltage - Supply, Digital | +5V | V |
| Operating Temperature | 0°C to 70°C | °C |
| Package | 28-SSOP (0.154" | 3.90mm Width) | - |
| Mounting Type | Surface Mount | - |
| Power Consumption (max sampling rate) | 10 mW | mW |
| Power Consumption (shutdown mode) | < 10 µA | µA |
Key Features
- High-performance 12-bit ADC with a sampling rate of 420 kSPS.
- Software-configurable analog inputs for unipolar/bipolar and single-ended/pseudo-differential operation.
- Compact 28-SSOP package with a small footprint.
- Wide operating temperature range of 0°C to 70°C.
- Low power consumption, with automatic power-down and fast wake-up (2µs).
- Internal +2.5V reference and on-chip clock.
- High-speed 12-bit parallel interface.
Applications
- Data acquisition systems.
- Industrial automation and control.
- Medical instrumentation.
- Test and measurement equipment.
- Battery-powered and space-constrained applications.
Q & A
- What is the resolution of the MAX1294BCEI ADC?
The MAX1294BCEI has a 12-bit resolution.
- What is the maximum sampling rate of the MAX1294BCEI?
The maximum sampling rate is 420 kSPS.
- How many input channels does the MAX1294BCEI have?
The device has 3 or 6 input channels, depending on the configuration (single-ended or pseudo-differential).
- What type of data interface does the MAX1294BCEI use?
The MAX1294BCEI uses a high-speed 12-bit parallel interface.
- What is the operating temperature range of the MAX1294BCEI?
The operating temperature range is 0°C to 70°C.
- How much power does the MAX1294BCEI consume at maximum sampling rate?
The power consumption is 10 mW at the maximum sampling rate of 420 kSPS.
- Does the MAX1294BCEI have power-down modes?
Yes, the MAX1294BCEI has two software-selectable power-down modes that can reduce supply current to less than 10 µA at lower sampling rates.
- What is the package type of the MAX1294BCEI?
The MAX1294BCEI is packaged in a 28-SSOP (0.154" | 3.90mm Width).
- Is the MAX1294BCEI RoHS compliant?
No, the MAX1294BCEI is not RoHS compliant according to some sources, but it is ROHS3 compliant according to others.
- What are some typical applications of the MAX1294BCEI?
Typical applications include data acquisition systems, industrial automation, medical instrumentation, and test and measurement equipment.
