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KHS102C
DA100 Series Transformers for Digital Audio Data Transmission Min. Return Loss (100kHz-3MHz) Typ. Common Mode Rejection (100kHz, 110Ω) Turns Ratio Max. Leakage Inductance (100kHz, 10mV) Isolation (Flash tested for 1 second) mH Order Code Primary Inductance (10kHz, 10mV) Min. Volt-time Product, Et SELECTION GUIDE μH Vμs dB dB Vrms DA101C FEATURES n compliant RoHS n Compatible with leading chip sets n 2kVrms isolation n Industry-standard pinout n Surface mount option n 94 V-0 package materials UL n profile Low n Suitable for both 75 & 110Ω circuits 1:1 1.00 - 1.59 0.22 15 46.80 52.10 DA102C 1:1 2.00 - 3.00 0.39 20 40.40 49.70 DA103C 1:1 4.00 - 5.96 0.91 28 36.30 46.40 2000 ORDER CODE DETAILS Order Code Package Type Packaging Type Quantity DAXXXC 6 Pin DIL Tube 50 DAXXXMC 6 Pin SM Tube 50 DAXXXMC-R 6 Pin SM Tape & Reel 500 n Toroidal construction n Compliant with AES/EBU standards ABSOLUTE MAXIMUM RATINGS n encapsulated Fully Operating free air temperature range DESCRIPTION The Digital Audio Range of transformers is designed to improve the balance of transmitter and receiver circuitry in hi-fi equipment, video games and other applications requiring high-performance digital audio transmission. Compliant with AES/EBU recommendations for the digital audio interface, offering optimised shunt capacitance between primary and secondary windings. Capable of operating over the audio data rate frequency range, providing isolation from 50-60Hz noise. Storage temperature range 0°C to 70°C –40°C to 125°C All specifications typical at TA =25°C TECHNICAL NOTES ISOLATION VOLTAGE Repeated high-voltage isolation testing ‘Hi Pot Test’, ‘Flash Tested’, ‘Withstand Voltage’, ‘Proof Voltage’, ‘Dielectric Withstand Voltage’ & ‘Isolation Test Voltage’ are all terms that relate to the same thing, a test voltage, applied for a specified time, across a component designed to provide electrical isolation, to verify the integrity of that isolation. It is well known that repeated high-voltage isolation testing of a barrier component can actually degrade isolation capability, to a lesser or greater degree depending on materials, construction and environment. This series has toroidal isolation transformers, with no additional insulation between primary and secondary windings of enameled wire. While parts can be expected to withstand several times the stated test voltage, the isolation capability does depend on the wire insulation. Any material, including this enamel (typically polyurethane) is susceptible to eventual chemical degradation when subject to very high applied voltages thus implying that the number of tests should be strictly limited. We therefore strongly advise against repeated high voltage isolation testing, but if it is absolutely required, that the voltage be reduced by 20% from specified test voltage. All products in this series are 100% production tested at their stated isolation voltage. A question commonly asked is, “What is the continuous voltage that can be applied across the part in normal operation?” For a part holding no specific agency approvals both input and output should normally be maintained within SELV limits i.e. less than 42.4V peak, or 60VDC. The isolation test voltage represents a measure of immunity to transient voltages and the part should never be used as an element of a safety isolation system. The part could be expected to function correctly with several hundred volts offset applied continuously across the isolation barrier; but then the circuitry on both sides of the barrier must be regarded as operating at an unsafe voltage and further isolation/insulation systems must form a barrier between these circuits and any user-accessible circuitry according to safety standard requirements. www.cd4power.com This consideration equally applies to agency recognized parts rated for better than functional isolation where the wire enamel insulation is always supplemented by a further insulation system of physical spacing or barriers. KMP_DA100C.2 Page of 3
OTAX
オータックス株式会社
日本
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