PEF 82912 F V1.4 Infineon Technologies, PEF 82912 F V1.4 Datasheet - Page 62

• Manufacturer Part Number: PEF 82912 F V1.4
• Description: IC MODULAR ISDN NT INTELL TQFP64
• Manufacturer: Infineon Technologies
• Series: Q-SMINT®r

Specifications of PEF 82912 F V1.4

• Function: Second Generation Modular
• Interface: ISDN
• Mounting Type: Surface Mount
• Package / Case: 64-LFTQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Voltage - Supply: -
• Power (watts): -
• Operating Temperature: -
• Number Of Circuits: -
• Other names: PEF82912FV1.4XT; PEF82912FV14XP; SP000007558; SP000007559

Table 15
Transformer Parameters
Transformer ratio;
Device side : Line side
Main inductance of windings on the line side
Leakage inductance of windings on the line side L
Coupling capacitance between the windings on
the device side and the windings on the line side
DC resistance of the windings on device side
DC resistance of the windings on line side
Transmitter
The transmitter requires external resistors R
voltage to the pulse mask (nominal 750 mV according to ITU I.430, to be tested with the
test mode “TM1”) on the one hand and in order to meet the output impedance of
minimum 20
on the other hand.
Note: The resistance of the S-transformer must be taken into account when
•
Figure 27
Data Sheet
SX1
dimensioning the external resistors R
components (e.g. a choke), then the resistance of these additional components
must be taken into account, too.
SX2
S-Transformer Parameters
External Circuitry S-Interface Transmitter
on the other hand (to be tested with the testmode ’Continuous Pulses’)
20...40
47
47
V
DD
54
stx
. If the transmit path contains additional
stx
Symbol Value
n
L
C
R
R
GND
= 47
H
S
K
B
L
in order to adjust the output
2 : 1
typ. 30
typ. <3
typ. <100
typ. 2.4
typ. 1.4
Operational Description
PEF 80912/80913
extcirc_S.vsd
DC Point
2 : 1
Unit
mH
µH
pF
2001-03-29