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MAXIM INTEGRATED / ANALOG DEVICES MAX121CWE 14-bit High-Speed ADC

The MAX121CWE+ is a high-speed, 14-bit analog-to-digital converter (ADC) with a sampling rate of up to 308 kSps. It features an integrated track/hold, low-noise performance, and an on-chip buried zener voltage reference, making it ideal for digital signal processing, audio, telecom, speech recognition, DSP control, and spectrum analysis. Operating with +4.75V to +5.25V, it consumes only 210mW. The device supports serial interface, TTL and CMOS clock inputs from 1.1MHz to 5.5MHz, with a full-scale input range of ±5V, and offers a 78dB SINAD, -85dB THD, 2.9μs conversion time, and 400ns acquisition time. It operates between 0°C and 70°C, with a compact package suitable for high-speed data acquisition applications.

Authorized Distributors
Source:DigiKey
Part No:MAX121CWE+
Stock:391
Inv Date:06-05-2026
Price: Unit price: $61.43
Buy/RFQ:
Part No:MAX121CWE+
Stock:90
Inv Date:06-06-2026
Price: Unit price: $61.34
Buy/RFQ:

MAXIM INTEGRATED / ANALOG DEVICES MAX121CWE 14-bit High-Speed ADC Specifications:

  • Resolution: 14 Bits
  • Sampling Rate: Up to 308kSps
  • Full-Scale Input Range: ±5V
  • Power Consumption: 210mW
  • Supply Voltage Range: 4.75V to 5.25V
  • Signal-to-Noise Ratio: 78dB
  • Total Harmonic Distortion: -85dB
  • Conversion Time: Approximately 2.9μs
  • Acquisition Time: 400ns
  • Input Capacitance: 10pF
  • Reference Voltage: Internally buried zener, 5V
  • Interface: Serial port compatible with TTL and CMOS
  • Clock Input Frequency Range: 1.1MHz to 5.5MHz
  • Operating Temperature Range: 0°C to 70°C
  • Package Type: 16-pin PDIP or SO, 20-pin SSOP

Buy the Maxim MAX121 – Reliable 14-bit ADC for Industrial Applications

Order the Maxim MAX121 online today and enjoy fast delivery of this premium 14-bit ADC. With a sampling rate of up to 308kSps, integrated voltage reference, low noise, and efficient serial interface, it is perfect for digital signal processing, audio, telecom, speech recognition, spectrum analysis, and control systems. Its low power consumption of 210mW, operating from 4.75V to 5.25V, ensures reliable operation in demanding environments. Get your MAX121 now and boost your project’s performance with ease and confidence.

Buy Maxim MAX121 now and experience unmatched reliability and performance in high-speed data acquisition and signal processing.

Frequently Asked Questions

Where can I buy MAXIM INTEGRATED / ANALOG DEVICES MAX121CWE?

You can click on the BUY or RFQ button to purchase MAX121CWE from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.

How do I troubleshoot issues or seek technical support for part MAX121CWE?

You can download the MAX121CWE datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

Who is the manufacturer of MAX121CWE?

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