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