Overview
The MAX1444EHJ/V+ is a 10-bit, 40Msps (mega-samples per second), 3.0V analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This ADC features a pipelined 10-stage architecture with fully differential wideband track-and-hold (T/H) input and digital error correction, ensuring high dynamic performance and low power consumption. It is optimized for applications in imaging and digital communications, making it a versatile component for various high-speed data acquisition needs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 10-bit | |
| Sampling Rate | 40 Msps | |
| Supply Voltage | 2.7V to 3.6V | V |
| Power Consumption (Normal Operation) | 57 mW | mW |
| Power Consumption (Shutdown Mode) | 5 µA | µA |
| Signal-to-Noise Ratio (SNR) at 20MHz Input | 59.5 dB | dB |
| Spurious-Free Dynamic Range (SFDR) at 20MHz Input | 74 dBc | dBc |
| Input Bandwidth | 400 MHz (-3dB) | MHz |
| Input Voltage Range | 2 Vp-p (differential) | Vp-p |
| Reference Voltage | 2.048 V (internal precision bandgap reference) | V |
| Output Type | Parallel, offset binary, CMOS-compatible three-state outputs | |
| Package Type | 32-Pin TQFP |
Key Features
- Single 3.0V operation with a supply voltage range of 2.7V to 3.6V.
- Excellent dynamic performance with a 59.5dB SNR and 74dBc SFDR at a 20MHz input frequency.
- Low power consumption of 57mW in normal operation and 5µA in shutdown mode.
- Fully differential analog input with a wide 2Vp-p differential input voltage range and 400MHz -3dB input bandwidth.
- On-chip 2.048V precision bandgap reference with flexible reference structure for user-adjustable full-scale range.
- CMOS-compatible three-state outputs that can operate from 1.7V to 3.6V.
- Available in a 32-pin TQFP package.
Applications
The MAX1444EHJ/V+ is optimized for low-power, high dynamic performance applications in:
- Imaging systems, such as medical imaging and industrial imaging.
- Digital communications, including wireless and wired communication systems.
- High-speed data acquisition systems where low power and high accuracy are critical.
Q & A
- What is the resolution and sampling rate of the MAX1444EHJ/V+ ADC?
The MAX1444EHJ/V+ has a 10-bit resolution and a sampling rate of 40 Msps.
- What is the supply voltage range for the MAX1444EHJ/V+?
The supply voltage range is from 2.7V to 3.6V.
- How much power does the MAX1444EHJ/V+ consume in normal operation and shutdown mode?
In normal operation, it consumes 57 mW, and in shutdown mode, it consumes 5 µA.
- What is the signal-to-noise ratio (SNR) of the MAX1444EHJ/V+ at a 20MHz input frequency?
The SNR is 59.5 dB at a 20MHz input frequency.
- What is the input bandwidth of the MAX1444EHJ/V+?
The input bandwidth is 400 MHz (-3dB).
- Can the MAX1444EHJ/V+ be operated with single-ended inputs?
- What type of output does the MAX1444EHJ/V+ have?
The MAX1444EHJ/V+ has parallel, offset binary, CMOS-compatible three-state outputs.
- What is the package type of the MAX1444EHJ/V+?
The MAX1444EHJ/V+ is available in a 32-pin TQFP package.
- Is there an internal reference voltage available in the MAX1444EHJ/V+?
- Can the user adjust the full-scale range of the MAX1444EHJ/V+?
