Product Summary

The AD1955ARS is a complete high performance single-chip stereo digital audio playback system. It is comprised of a multibit sigma-delta modulator, high performance digital interpolation filters, and continuous-time differential current output DAC section. The AD1955ARS is fully compatible with all known DVD audio formats including 192kHz as well as 96kHz sample frequencies and 24-bits. The applications of the AD1955ARS are High-End DVD-Audio, SACD, CD, Home Theatre Systems, Automotive Audio Systems, Sampling Musical Keyboards, Digital Mixing Consoles, Digital Audio Effects Processors.

Parametrics

AD1955ARS absolute maximum ratings: (1)DVDD to DGND: -0.3V to 6V; (2)AVDD to AGND: -0.3V to 6V; (3)Digital Inputs: DGND - 0.3V to DVDD + 0.3V; (4)Analog Outputs: AGND - 0.3V to AVDD + 0.3V; (5)AGND to DGND: -0.3V to 0.3V; (6)Reference Voltage: (AVDD + 0.3)/2; (7)Soldering: +300℃, 10sec.

Features

AD1955ARS features: (1)123 dB SNR/DNR (Mono); (2)-110 dB THD+N; (3)110 dB Stopband Attenuation with ±0.0002dB Passband Ripple; (4)8 Times Oversampling Digital Filter; (5)On-chip Clickless Volume Control; (6)Supports SACD-Mute pattern detection; (7)Supports 64fs/128fs DSD SACD with phase modulation; (8)Internal Digital Filter pass-through for External Filter; (9)Master clock: 256fs,384fs,512fs,768fs; (10)Hardware and Software Controllable Clickless Mute; (11)Digital De-emphasis for 32, 44.1, 48 KHz Sample Rate; (12)Differential Current Output for Optimum Performance; (13)8.64 mA p-p Output Current with +3dB headroom in SACD mode; (14)120 dB SNR/DNR (not muted) at 48KHz Sample Rate; (15)Data Directed Scrambling DAC - Least Sensitive to Jitter; (16)5V Power Supply Stereo Audio DAC System; (17)Accepts 16/18/20/24-Bit Data; (18)Supports 24-Bits, 192kHz Sample Rate PCM Audio Data; (19)Supports SACD bit-stream and External Digital Filter Interface.

Diagrams

AD1955ARS block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
AD1955ARSZRL
AD1955ARSZRL


IC DAC AUDIO 16-24BIT 28SSOP

Data Sheet

0-1500: $4.94
AD1955ARSZ
AD1955ARSZ


IC DAC AUDIO MULTIBIT 28-SSOP

Data Sheet

0-1: $8.15
1-10: $7.41
10-100: $6.30
100-250: $5.74
250-500: $5.37
500-1000: $4.94
AD1955ARSRL
AD1955ARSRL

Analog Devices Inc

IC DAC STEREO 24BIT SACD 28SSOP

Data Sheet

Negotiable 
AD1955ARS
AD1955ARS

Analog Devices Inc

IC DAC AUDIO MULTIBIT 28-SSOP

Data Sheet

Negotiable