DS4420N+

The DS4420N+ is an I2C programmable-gain amplifier for audio applications in 14 pin TDFN package. This fully differential amplifier features a -35dB to +25dB gain range controlled by an I2C interface and it is optimized to drive loads as low as 50 ohm. The gain is adjustable in 3dB increments across the entire range. It is used in telephone headsets, microphone gain control and audio volume control.

• Supply voltage range is 4.5V to 5.5V
• Operating temperature range from -20°C to 70°C
• Differential inputs and outputs
• Low output noise
• 20KHz bandwidth for all gain settings
• Maximum pass band flatness is +1dB at 20Hz to 20KHz
• Output Noise of -88dB at A = +25dB, 300Hz to 3.4KHz
• Maximum gain range is +25dB, maximum gain accuracy is +2.5dB
• Maximum SCL clock frequency is 400KHz

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Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

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