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AD9281
  • AD9281

AD9281

PRODUCTION

Dual Channel 8-Bit Resolution CMOS ADC

Analog Devices AD9281 Product Info

10 February 2026 8

Features

  • Complete Dual Matching ADC
  • Low Power Dissipation: 
    225 mW (+3 V Supply)
  • Single Supply: 2.7 V to 5.5 V
  • Differential Nonlinearity Error: 0.1 LSB
  • On-Chip Analog Input Buffers
  • Signal-to-Noise Ratio: 49.2 dB
  • Over Seven Effective Bits
  • Spurious-Free Dynamic Range: –65 dB
  • No Missing Codes Guaranteed
  • 28-Lead SSOP
  • On-Chip Reference

Part details & applications

The AD9281 is a complete dual channel, 28 MSPS, 8-bit CMOS ADC. The AD9281 is optimized specifically for applications where close matching between two ADCs is required (e.g., I/Q channels in communications applications). The 28 MHz sampling rate and wide input bandwidth will cover both narrow-band and spread-spectrum channels. The AD9281 integrates two 8-bit, 28 MSPS ADCs, two input buffer amplifiers, an internal voltage reference and multiplexed digital output buffers.

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