Digital Audio Interface Transformer For Sampling Rates 28KHz to 192KHz Functions of Transformer: - Isolation of the system power return from ground loops - Impedance matching between Driver and Receiver - DC blocking - Common Mode Noise and EMI rejection - High frequency rejection Features: - Works with transmitter ICs: Cirrus Logic (Crystal), Rane, TI/Burr-Brown, AKM, Yamaha, Wolfram, etc. - Works in ambient temperature: 0°C to 70°C Applications Connections Between RCA RCA BNC BNC XLR XLR Line Digital Audio Interface Unbalanced SPDIF Differences Between Interfaces Impeda nce Ratio XFMR Turns Ratio AES3 110:100 Balanced XLR-3 Unbalanced BNC Unbalanced RCA Impedance Ω 110 75 75 1:1 Output Level Vp-p 2-7 1.0 0.5 Max Output V Vp-p 7 1.2 0.6 Max Current mA 64 1.6 8 Min Input V 0.2 0.32 0.2 STP Coax Coax 100 1000 10 Trans mitter XLR Balanced AES3 110:110 1:1 Trans mitter RCA Unbalanced SPDIF 300:75 2:1 XLR RCA 110:75 1.21:1 BNC AE-3id BalancedUnbalanced BNC From AES3 To SPDIF SPDIF Unit AE-3id Balanced AES-3id Line Connector 1:1 75:75 AES3 Cable Max Distance m Requirements for Transformer Sampling Rate 32KHz Sampling Rate Versus Bandwidth Sampling Rate (KHz) 28 32 48 96 192 Pass Range (-1dB Max) Low Cut-off Frequency High Cut-off Frequency Bandwidth (-3dB) (MHz) 3.6 4.1 6.2 12.3 24.6 (MHz) Max. (MHz) Min. (MHz) 0.3 0.4 0.6 1.2 2.5 40 50 70 130 250 Vo/Vi (dB) 28KHz 96KHz 48KHz 192KHz 0 -1 -3 0.3-250 0.3 3.6 Bandwidth 6.1 4.1 24.6 12.3 250 F (MHz) Electrical Specifications @25°C Schott P/N Turns Ratio OCL (Cable Side) uH Min. LL IWC DCR DCR uH Max. pF Max Ω ± 20% Ω± 20% Style Foot Print # A22083 1:1 225 0.2 100 0.44 0.44 T case 4 Pin THD 5 A22133 1:1 225 0.2 20 0.12 0.12 ER9.5 6 Pin THD 4 A22160 1:1 225 0.2 100 0.12 0.12 ER9.5 6 Pin THD 1 A22523 1:1.22 225 0.2 20 0.12 0.15 ER9.5 6 Pin THD 4 Shield, 75Ω:100Ω A24393 1:3 225 0.2 100 0.14 0.43 ER9.5 6 Pin THD 1 Higher Voltage A37211 1:1 225 0.2 100 0.12 0.12 ER9.5 8 Pin SMD 2 A37246 1:1 225 0.2 20 0.12 0.12 ER9.5 8 Pin SMD 3 A1001 1:2 225 0.2 100 0.12 0.24 ER9.5 8 Pin SMD 6 Schott Magnetics - Tacna International Corp. 210 N. Saint Olaf, Canby, MN 56220 (507) 223-5572 Package Website: www.SchottMagnetics.com Schematic Specialty Shield 5/21/09 Rev 2 Page 1 Digital Audio Interface Transformer For Sampling Rates 28KHz to 192KHz 6 1 58 6 4 Schott Magnetics - Tacna International Corp. 210 N. Saint Olaf, Canby, MN 56220 (507) 223-5572 Website: www.SchottMagnetics.com 85 5/21/09 Rev 2 Page 2