Overview
The MAX121CPE+ is a high-performance, single-channel 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 speeds and low power consumption, making it suitable for various data acquisition applications.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 14-bit |
| Conversion Time | 2.9µs |
| Throughput Rate | 308ksps (kilo-samples per second) |
| Acquisition Time | 400ns |
| SINAD (Signal-to-Noise and Distortion Ratio) | 78dB |
| THD (Total Harmonic Distortion) | -85dB |
| Integral Nonlinearity (INL) | ±2 LSB |
| Operating Supply Voltage | +5V, -12V or -15V |
| Power Consumption | 210mW |
| Operating Temperature | 0°C to 70°C |
| Package Types | 16-pin DIP, SO, and 20-pin SSOP |
Key Features
- High-speed successive-approximation architecture with a high-speed DAC for fast conversion 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 data acquisition.
- Space-saving package options including 16-pin DIP, SO, and 20-pin SSOP.
Applications
- Data acquisition systems requiring high precision and speed.
- Digital signal processing applications where fast ADC throughput is necessary.
- Industrial control systems that demand reliable and accurate analog-to-digital conversion.
- Medical devices and diagnostic equipment needing high-resolution ADCs.
- Aerospace and defense applications requiring robust and precise data acquisition.
Q & A
- What is the resolution of the MAX121CPE+ ADC?
The MAX121CPE+ has a 14-bit resolution.
- What is the maximum throughput rate of the MAX121CPE+?
The maximum throughput rate is 308ksps (kilo-samples per second).
- What are the power supply requirements for the MAX121CPE+?
The MAX121CPE+ operates with +5V and -12V or -15V power supplies.
- What is the power consumption of the MAX121CPE+?
The power consumption is 210mW.
- Is the MAX121CPE+ compatible with TTL and CMOS logic?
Yes, the MAX121CPE+ is TTL- and CMOS-compatible.
- What are the available package types for the MAX121CPE+?
The available package types include 16-pin DIP, SO, and 20-pin SSOP.
- Can the MAX121CPE+ be directly interfaced to digital signal processors?
Yes, it can be directly interfaced to the serial port of most popular DSPs.
- What is the operating temperature range of the MAX121CPE+?
The operating temperature range is 0°C to 70°C.
- What is the SINAD (Signal-to-Noise and Distortion Ratio) of the MAX121CPE+?
The SINAD is 78dB.
- What is the acquisition time of the MAX121CPE+?
The acquisition time is 400ns.
