LTM-110A Datasheet, PDF (1/2 Pages) Nuvotem Talema – Line Interface 56kbps Modem Transformer

LTM-110A Line Interface 56kbps Modem Transformer
Features
• designed for V.90 applications (56kbps)
• very low distortion
• wide frequency range with flat response
• meetsIEC60950SupplementryInsulationlevels,1500Vmin.
• excellent quality at competitive price due to high volume
production
• manufactured in ISO-9001:2000 approved Talema facility
Electrical Specifications @ 25°C • Operating Temperature -40° to +85°C
Parameter
Frequency Response
Insertion Loss
Return Loss
THD
THD
DC Resistance
Inductance
Leakage Inductance
Turns Ratio
Conditions
200 - 4000Hz
2000Hz, RL600 Ohms
200 - 4000Hz
150Hz, -3dBm
200Hz, -10dBm
per winding
1000Hz, 1V
1000Hz, 1V
Typical
±0.5
1.0
22
-70
-85
70
6.0
17
1:1
Limit
-
1.5 max
18 min
-
-
±10%
-
-
±2%
Units
dB
dB
dB
dB
dB
Ohms
H
mH
-
Mechanical Dimensions & Pinout
0.650
(16.50)
1
3
0.650
(16.50)
0.445
(11.30)
6
4
(View from Top)
Dimensions are max. unless otherwise stated: Inches(Millimeters)
Pinout spacings are nominal. Pins: 0.026 x 0.018 (0.66x0.45)
0.217±0.012
(5.50±0.3)
0.295
(7.50)
0.492
(12.50)
Schematic
3
1
4
6
Equivalent Circuit: (Referenced to Primary @ 1V, 1kHz)
R_PRI = 70 Ohms
Line ^LP ^{= 6.2H}
LL = 17.5mH
R_SEC = 70 Ohms
R_P = 35k Ohms
Modem
Germany: Int.+49 89 - 841 00-0 • Ireland: Int.+35 374 - 954 8666 • Czech Rep: Int.+420 37 - 744 9303 • India: Int.+91 427 - 244 1325
http://www.talema-nuvotem.com