Overview
The MAX121EWE+ is a 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This BiCMOS, serial-output, sampling ADC combines an on-chip track/hold and a low-drift, low-noise, buried-zener voltage reference. It is designed for fast conversion speed and low power consumption, making it suitable for a variety of applications requiring high precision and efficiency.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Throughput Rate | Up to 308 ksps |
| Analog Input Range | ±5V |
| Power Supplies | +5V and -12V or -15V |
| Power Consumption | 210 mW |
| Clock Frequency Range | 1.1 MHz to 5.5 MHz |
| Logic Compatibility | TTL- and CMOS-compatible |
| Package Options | 16-pin DIP, SO, and 20-pin SSOP |
Key Features
- Successive-approximation architecture with a high-speed DAC for fast conversion speeds and low-power operation.
- On-chip track/hold and low-drift, low-noise, buried-zener voltage reference.
- Direct interface to the serial port of most popular digital-signal processors.
- Supports Motorola SPI and QSPI interface standards.
- Space-saving package options including 16-pin DIP, SO, and 20-pin SSOP.
Applications
The MAX121EWE+ is suitable for various applications that require high precision and fast conversion rates, such as:
- Digital signal processing systems.
- Industrial control and automation.
- Medical devices and diagnostic equipment.
- Aerospace and defense systems.
- High-speed data acquisition systems.
Q & A
- What is the resolution of the MAX121EWE+ ADC?
The MAX121EWE+ has a resolution of 14 bits.
- What is the maximum throughput rate of the MAX121EWE+?
The maximum throughput rate is up to 308 ksps.
- What is the analog input range of the MAX121EWE+?
The analog input range is ±5V.
- What are the power supply requirements for the MAX121EWE+?
The MAX121EWE+ operates with +5V and -12V or -15V power supplies.
- How much power does the MAX121EWE+ consume?
The power consumption is 210 mW.
- What is the clock frequency range for the MAX121EWE+?
The clock frequency range is from 1.1 MHz to 5.5 MHz.
- Is the MAX121EWE+ compatible with TTL and CMOS logic?
Yes, the MAX121EWE+ is TTL- and CMOS-compatible.
- What package options are available for the MAX121EWE+?
The MAX121EWE+ is available in 16-pin DIP, SO, and 20-pin SSOP packages.
- Can the MAX121EWE+ be directly interfaced to digital signal processors?
Yes, the MAX121EWE+ can be directly interfaced to the serial port of most popular digital-signal processors.
- What interface standards does the MAX121EWE+ support?
The MAX121EWE+ supports Motorola SPI and QSPI interface standards.
