Overview
The MAX1434ECQ+TD is an octal, 10-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is optimized for low-power and high-dynamic performance, making it suitable for applications such as medical imaging instrumentation and digital communications. The MAX1434 operates from a 1.8V single supply, consuming only 767mW (96mW per channel), and delivers a 61dB (typ) signal-to-noise ratio (SNR) at a 5.3MHz input frequency. It features a pipelined architecture, fully differential inputs, and digital error correction, ensuring high accuracy and reliability.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of Bits | 10 | |
| Sampling Rate | 50 MS/s | |
| Number of Inputs | 8 | |
| Input Type | Differential | |
| Architecture | Pipelined | |
| Reference Type | External, Internal | |
| Voltage - Supply, Analog | 1.7V ~ 1.9V | |
| Voltage - Supply, Digital | 1.7V ~ 1.9V | |
| Operating Temperature | -40°C ~ 85°C | |
| Package / Case | 100-TQFP Exposed Pad | |
| Signal-to-Noise Ratio (SNR) | 61 dB | |
| Spurious-Free Dynamic Range (SFDR) | 84 dBc | |
| Channel Isolation | 94 dB |
Key Features
- Excellent dynamic performance with 61dB SNR at 5.3MHz and 84dBc SFDR at 5.3MHz.
- Ultra-low power consumption of 96mW per channel.
- Serial LVDS outputs supporting up to 30 inches FR-4 backplane connections.
- Pin-selectable LVDS/SLVS (Scalable Low-Voltage Signal) mode.
- Test mode for digital signal integrity.
- Fully differential analog inputs with a wide differential input voltage range (1.4V P-P).
- On-chip 1.24V precision bandgap reference.
- Clock duty-cycle equalizer.
- Compact, 100-pin TQFP package with exposed pad.
- Power-down mode for idle periods.
Applications
- Instrumentation
- Multichannel Communications
- Ultrasound and Medical Imaging
Q & A
- What is the sampling rate of the MAX1434ECQ+TD?
The MAX1434ECQ+TD has a sampling rate of 50 MS/s. - What is the signal-to-noise ratio (SNR) of the MAX1434ECQ+TD at 5.3MHz input frequency?
The SNR is 61 dB at 5.3MHz input frequency. - What type of inputs does the MAX1434ECQ+TD have?
The MAX1434ECQ+TD has fully differential analog inputs. - What is the power consumption per channel of the MAX1434ECQ+TD?
The power consumption per channel is 96mW. - What is the operating temperature range of the MAX1434ECQ+TD?
The operating temperature range is -40°C to +85°C. - What type of package does the MAX1434ECQ+TD come in?
The MAX1434ECQ+TD comes in a 100-pin TQFP package with an exposed pad. - Does the MAX1434ECQ+TD support external references?
Yes, the MAX1434ECQ+TD supports both internal and external references. - What is the spurious-free dynamic range (SFDR) of the MAX1434ECQ+TD at 5.3MHz input frequency?
The SFDR is 84 dBc at 5.3MHz input frequency. - Does the MAX1434ECQ+TD have a power-down mode?
Yes, the MAX1434ECQ+TD features a power-down mode for idle periods. - What type of output does the MAX1434ECQ+TD have?
The MAX1434ECQ+TD has serial LVDS outputs.
