Overview
The MAX1437 is an octal, 12-bit analog-to-digital converter (ADC) designed by Analog Devices Inc./Maxim Integrated. This device is optimized for low-power and high-dynamic performance, making it suitable for applications in medical imaging instrumentation and digital communications. The MAX1437 operates from a single 1.8V supply, consuming only 768mW (96mW per channel), and delivers a 69.9dB signal-to-noise ratio (SNR) at a 5.3MHz input frequency.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Sample Rate | Up to 50 Msps |
| Signal-to-Noise Ratio (SNR) | 69.9 dB at 5.3 MHz |
| Spurious-Free Dynamic Range (SFDR) | 96 dBc at 5.3 MHz |
| Channel Isolation | 95 dB |
| Power Consumption | 96 mW per channel (normal operation) |
| Supply Voltage | 1.8 V |
| Package | 100-pin TQFP with exposed pad |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- Excellent Dynamic Performance: 69.9 dB SNR at 5.3 MHz, 96 dBc SFDR at 5.3 MHz, and 95 dB channel isolation.
- Ultra-Low Power: 96 mW per channel in normal operation.
- Serial LVDS Outputs: Supports up to 30 inches FR-4 backplane connections.
- Pin-Selectable LVDS/SLVS Mode.
- Test Mode for Digital Signal Integrity.
- Fully Differential Analog Inputs: Wide differential input voltage range (1.4 V P-P).
- On-Chip 1.24 V Precision Bandgap Reference.
- Clock Duty-Cycle Equalizer.
- Compact, 100-Pin TQFP Package with Exposed Pad.
- Evaluation Kit Available (MAX1437EVKIT).
Applications
- Instrumentation.
- Multichannel Communications.
- Ultrasound and Medical Imaging.
Q & A
- What is the resolution of the MAX1437 ADC?
The MAX1437 is a 12-bit analog-to-digital converter.
- What is the maximum sample rate of the MAX1437?
The MAX1437 can sample up to 50 Msps.
- What is the signal-to-noise ratio (SNR) of the MAX1437 at 5.3 MHz?
The SNR is 69.9 dB at 5.3 MHz.
- How much power does the MAX1437 consume per channel in normal operation?
The MAX1437 consumes 96 mW per channel in normal operation.
- What type of output does the MAX1437 provide?
The MAX1437 provides serial LVDS outputs.
- Can the MAX1437 operate with single-ended inputs?
Yes, the MAX1437 can operate with single-ended inputs, although it has fully differential analog inputs.
- What is the operating temperature range of the MAX1437?
The operating temperature range is -40°C to +85°C.
- Is an evaluation kit available for the MAX1437?
Yes, an evaluation kit (MAX1437EVKIT) is available for the MAX1437.
- What are the primary applications of the MAX1437?
The primary applications include instrumentation, multichannel communications, and ultrasound and medical imaging.
- Does the MAX1437 have power-down modes?
Yes, the MAX1437 has a power-down mode for idle periods to reduce power consumption.
