Overview
The MAX121EWE+T is a high-performance, 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 circuit and a low-drift, low-noise, buried-zener voltage reference. It is designed for fast conversion speeds and low power consumption, making it suitable for a variety of applications requiring high precision and speed.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Conversion Time | 2.9µs (308ksps throughput) |
| Acquisition Time | 400ns |
| SINAD (Signal to Noise and Distortion Ratio) | 78 dB |
| THD (Total Harmonic Distortion) | -85 dB |
| Full-Scale Analog Input Range | ±5V |
| Operating Supply Voltage | +5V, -12V or -15V |
| Power Consumption | 210mW |
| Operating Temperature | -40°C to +85°C |
| Package Type | Small-Outline IC, Wide (0.3in), 16-SOIC |
Key Features
- Successive-approximation architecture with a high-speed DAC for fast conversion speeds and low-power operation.
- TTL- and CMOS-compatible clocks and logic inputs/outputs.
- Direct interface to the serial port of most popular digital-signal processors (DSPs) such as TMS320, µPD77230, and ADSP2101.
- Compatibility with Motorola SPI and QSPI interface standards.
- Low noise and distortion, making it suitable for high-precision applications.
- Space-saving packages including 16-pin DIP, SO, and 20-pin SSOP.
Applications
The MAX121EWE+T is versatile and can be used in various applications requiring high-speed and high-precision analog-to-digital conversion. These include:
- Digital signal processing systems.
- Medical imaging and diagnostic equipment.
- Industrial control and automation systems.
- Aerospace and defense applications.
- High-speed data acquisition systems.
Q & A
- What is the resolution of the MAX121EWE+T ADC?
The MAX121EWE+T has a 14-bit resolution.
- What is the conversion time of the MAX121EWE+T?
The conversion time is 2.9µs, with a throughput rate of up to 308ksps.
- What is the full-scale analog input range of the MAX121EWE+T?
The full-scale analog input range is ±5V.
- What are the operating supply voltages for the MAX121EWE+T?
The operating supply voltages are +5V and -12V or -15V.
- What is the power consumption of the MAX121EWE+T?
The power consumption is 210mW.
- What are the compatible interface standards for the MAX121EWE+T?
The MAX121EWE+T is compatible with TTL- and CMOS-compatible clocks and logic inputs/outputs, as well as Motorola SPI and QSPI interface standards.
- What are the typical applications of the MAX121EWE+T?
Typical applications include digital signal processing systems, medical imaging, industrial control, aerospace, and high-speed data acquisition systems.
- What is the operating temperature range of the MAX121EWE+T?
The operating temperature range is -40°C to +85°C.
- What package types are available for the MAX121EWE+T?
The MAX121EWE+T is available in Small-Outline IC, Wide (0.3in), and 16-SOIC packages.
- Is there an evaluation kit available for the MAX121EWE+T?
