DA100J Series www.murata-ps.com SM Transformers for Digital Audio Data Transmission SELECTION GUIDE Max. Primary Isolation Leakage Inductance (Flash tested Inductance Order Code for 1 second) (10kHz, 50mV) (100kHz, 10mV) mH H Vs dB dB Vrms DA101JC 1:1 1.00 - 2.20 0.36 15 34.6 55.9 FEATURES DA102JC 1:1 1.90 - 4.00 0.49 20 38.8 52.4 2000 J-STD-020D re ow DA103JC 1:1 3.20 - 8.50 0.91 28 34.9 48.5 RoHS compliant Compatible with leading chip sets ORDER CODE DETAILS 2kVrms isolation Order Code Package Type Packaging Type Quantity Industry-standard pinout DAXXXJC 6 Pin SM Tube 50 Surface mount option DAXXXJC-R 6 Pin SM Tape & Reel 500 UL 94 V-0 package materials Low pro le ABSOLUTE MAXIMUM RATINGS Suitable for both 75 & 110 circuits Operating free air temperature range -40C to +85C Toroidal construction Compliant with AES/EBU standards Storage temperature range 40C to +125C All speci cations typical at T =25C A DESCRIPTION TECHNICAL NOTES The Digital Audio Range of transformers is ISOLATION VOLTAGE REPEATED HIGH-VOLTAGE ISOLATION TESTING designed to improve the balance of transmitter Hi Pot Test, Flash Tested, Withstand Voltage, Proof Volt- It is well known that repeated high-voltage isolation and receiver circuitry in hi- equipment, age, Dielectric Withstand Voltage & Isolation Test Voltage testing of a barrier component can actually degrade video games and other applications requiring are all terms that relate to the same thing, a test voltage, isolation capability, to a lesser or greater degree high-performance digital audio transmission. applied for a speci ed time, across a component designed depending on materials, construction and environ- Compliant with AES/EBU recommendations for the to provide electrical isolation, to verify the integrity of that ment. This series has toroidal isolation transformers, digital audio interface, offering optimised shunt isolation. with no additional insulation between primary and capacitance between primary and secondary secondary windings of enameled wire. While parts All products in this series are 100% production tested at windings. Capable of operating over the audio can be expected to withstand several times the their stated isolation voltage. stated test voltage, the isolation capability does de- data rate frequency range, providing isolation from A question commonly asked is, What is the continuous pend on the wire insulation. Any material, including 50-60Hz noise. voltage that can be applied across the part in normal opera- this enamel (typically polyurethane) is susceptible tion For through hole versions see DA100 series to eventual chemical degradation when subject to datasheet. For a part holding no speci c agency approvals both input very high applied voltages thus implying that the and output should normally be maintained within SELV limits number of tests should be strictly limited. We there- i.e. less than 42.4V peak, or 60VDC. The isolation test volt- fore strongly advise against repeated high voltage age represents a measure of immunity to transient voltages isolation testing, but if it is absolutely required, that and the part should never be used as an element of a safety the voltage be reduced by 20% from speci ed test isolation system. The part could be expected to function cor- voltage. rectly with several hundred volts offset applied continuously This consideration equally applies to agency recog- across the isolation barrier but then the circuitry on both nized parts rated for better than functional isolation sides of the barrier must be regarded as operating at an where the wire enamel insulation is always supple- unsafe voltage and further isolation/insulation systems must mented by a further insulation system of physical form a barrier between these circuits and any user-acces- spacing or barriers. sible circuitry according to safety standard requirements. For full details go to www.murata-ps.com/rohs www.murata-ps.com/support KMP DA100JC A02 Page 1 of 3 Turns Ratio Min. Volt-time Product, Et Min. Return Loss (100kHz-3MHz) Typ. Common Mode Rejection (100kHz, 110)DA100J Series SM Transformers for Digital Audio Data Transmission PACKAGE SPECIFICATIONS MECHANICAL DIMENSIONS 0.50 (12.70) 0.375 (9.52) Max. Top View 1 6 0.354 2 11 5 (9.0) Max. DA103JC 3 4 XYYWW 0.25 (6.35) 0.012 (0.30) 0.04 0.025 (0.63) 0.008 (0.20) (0.90) 0.021 (0.53) 0.10 (2.54) Unless otherwise stated all dimensions in inches (mm) 0.01 (0.25). All pins on a 0.1 (2.54) pitch and within 0.01 (0.25) of true position. Package Weight 0.93g Typ. RECOMMENDED FOOTPRINT DETAILS 0.06 (1.60) 0.10 (2.54) 0.04 (1.00) 0.45 (11.50) Unless otherwise stated all dimensions in inches (mm) 0.01 (0.25). All pins on a 0.1 (2.54) pitch and within 0.01 (0.25) of true position. 1 TUBE OUTLINE DIMENSIONS SOLDERING INFORMATION 0.43 Pin nish Matte tin (10.95) Max. pPeak re ow temperature 245C 2 Unless otherwise stated all Moisture sensitivity level 1 0.16 (4.00) dimensions in inches (mm) Max. time above liquidous (217C) 100s 0.01 (0.25). 0.0230.005 0.51 Tube length: 18.30.08 1 For further information, please visit www.murata-ps.com/rohs (0.600.15) (12.95) (4652). 2 Representative samples of the product were subjected to the conditioning described in IPC/ Tube material: Antistatic coated JEDEC J-STD-020D and passed electrical testing, package coplanarity and visual inspection 0.22 (5.50) clear pvc. which revealed no external cracks or changes in package body atness. 0.15 (3.80) 0.62 (15.70) www.murata-ps.com/support KMP DA100JC A02 Page 2 of 3