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AD1864 - Complete Dual 18-Bit Audio DAC

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General Description

–VS TRIM MSB I OUT AGND SJ RF VOUT +VL 1 2 REFERENCE 3 4 5 6 7 8 9 18-BIT LATCH 18-BIT D/A Complete Dual 18-Bit Audio DAC AD1864 DIP BLOCK DIAGRAMS AD1864 REFERENCE 22 MSB 21 I OUT 20 AGND 24 +VS 23 TRIM 19 SJ 18 R F – + – + 17 VOUT 16 –V L DL DR 10 LR 11 18-BIT D/A 18-BIT LATCH 15 14 LL 13 DGND CLK 12 The AD1864 is a complete dual 18-bit DAC offering excellent THD+N, while requiring no external components.

Two complete signal channels are included.

This results in cophased voltage or current output signals and eliminates the need for output demultiplexing circuitry.

Overview

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Key Features

  • Dual Serial Input, Voltage Output DACs No External Components Required Operates at 8 ؋ Oversampling per Channel ؎5 V to ؎12 V Operation Cophased Outputs 115 dB Channel Separation ؎0.3% Interchannel Gain Matching 0.0017% THD+N.

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