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 APPLICATIONS
High-End Compact Disc Players Digital Audio Amplifiers DAT Recorders and Players Synthesizers and Keyboards PRODUCT 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. The analog portion of the AD1851/AD1861 is fabricated with bipolar and MOS devices as well as thin-film resistors. This combination of circuit elements, as well as careful design and layout techniques, results in high performance audio playback.
Analog Devices
