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AD1861 - 16-Bit/18-Bit/ 16 X Fs PCM Audio DACs

General Description

–VS DGND +VL NC CLK LE DATA NC 1 2 3 4 5 6 7 8 16-Bit/18-Bit, 16 ؋ FS PCM Audio DACs AD1851/AD1861 FUNCTIONAL BLOCK DIAGRAM LATCH DAC 16 15 SERIAL INPUT REGISTER 14 IOUT 13 12 11 10 +VS TRIM MSB ADJ IOUT AGND SJ RF VOUT CONTROL LOGIC AD1851/ AD1861 NC = NO CONNECT 9 The AD1851/AD1861 is a monolithic PCM audio DAC.

The AD1851 is a 16-bit device, while the AD1861 is an 18-bit device.

Each device provides a voltage output amplifier, DAC, serial-to-parallel register and voltage reference.

Overview

a.

Key Features

  • 110 dB SNR Fast Settling Permits 16؋ Oversampling ؎3 V Output Optional Trim Allows Super-Linear Performance ؎5 V Operation 16-Pin Plastic DIP and SOIC Packages Pin-Compatible with AD1856 & AD1860 Audio DACs 2s Complement, Serial Input.