78P7200 데이터 시트보기 (PDF) - TDK Corporation
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78P7200 Datasheet PDF : 11 Pages
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78P7200
E3/DS3/STS-1
Line Interface Unit
ELECTRICAL SPECIFICATIONS
(TA = -40°C to 85°C, Vcc = 5V ±5%, unless otherwise noted.) Currents flowing into the chip are positive. Current
maximums are currents with the largest absolute value. Operation above absolute maximum ratings may
permanently damage the device.
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Positive 5V supply: TVcc, RVcc, DVcc
Storage Temperature
Soldering Temperature (10 sec.)
Ambient Operating Temperature, TA
Pin Ratings: LOUT+, LOUT-
LIN+, LIN-, TPOS, TNEG, TCLK, LBO, RFO, LF2, LF1,
OPT!, OPT@ Pins
RPOS, RNEG, RCLK, LOWSIG Pins
RATING
6V
-65 to 150°C
260 °C
-40 to +85°C
Vcc -2 to Vcc +2V
-0.3 to Vcc +0.3V
-0.3 to Vcc +0.3V or +12 mA
SUPPLY CURRENTS AND POWER
PARAMETER
CONDITIONS
Supply Current
ICC Outputs unloaded, normal
operation, transmit and receive
all 1's pattern
Power Dissipation
P Outputs unloaded, TA = 85°C
MIN NOM MAX
155
190
UNIT
mA
0.93
W
EXTERNAL COMPONENTS (Common to STS-1/DS3/E3, nominal value)
Loop filter resistor
RLF1
Loop filter resistor
RLF2
Loop filter capacitor
CLF1
Peak detector capacitor
CPD
Input Filter
R1, R2
Input Filter
C1
Input Filter
C2
Input Filter
C3
Input Filter
L1
Input Filter
L2
Transformer Turns Ratio T1, T2
Receiver Termination ResistorRTR
1% tolerance
1%
5%
10%
1%
5%
5%
20% (See Note)
5%
5%
3%
1%
Note: Optional capacitor to reduce common mode noise.
6.04
kΩ
100
kΩ
0.22
µF
0.022
µF
75
Ω
1000
pF
82
pF
0.01
µF
0.47
µH
6.8
µH
1:2
422
Ω
Page: 6 of 11
© 2005 Teridian Semiconductor Corporation
Rev 3.0
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