IDT82P2821BHG IDT, Integrated Device Technology Inc, IDT82P2821BHG Datasheet - Page 127

• Manufacturer Part Number: IDT82P2821BHG
• Description: IC LINE INTERFACE UNIT 640-PBGA
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT82P2821BHG

• Function: Line Interface Unit (LIU)
• Interface: E1, J1, T1
• Number Of Circuits: 1
• Voltage - Supply: 1.8V, 3.3V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: *
• Includes: Defect and Alarm Detection, Driver Over-Current Detection and Protection, LLOS Detection, PRBSARB / IB Detection and Generation
• Number Of Transceivers: 1
• Screening Level: Industrial
• Mounting: Surface Mount
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Power (watts): -
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 800-1703; 82P2821BHG

8.7
Physical And Electrical Specifications
IDT82P2821
Receiver Sensitivity of Receive Differen-
tial mode with Cable Loss @ 772 KHz
Receiver Sensitivity of Receive Single
Ended mode with Cable Loss @ 772 KHz
Signal to Noise Interference Margin
Analog LOS Level
(Normal Mode)
Analog LOS Level
(Line Monitor Mode)
Allowable Consecutive Zeros before LOS:
LOS Reset
Receive Intrinsic Jitter
Input Jitter Tolerance:
Receiver Differential Input Impedance
Receiver Common Mode Input Imped-
ance to GND
Receiver Single Ended mode Input
Impedance to GND
Receive Return Loss:
Receive Path Delay:
T1.231 - 1993
I.431
0.1 Hz ~ 1 Hz
4.9 Hz ~ 300 Hz
10 KHz ~ 100 KHz
39 KHz ~ 77 KHz
77 KHz ~ 1.544 MHz
1.544 MHz ~ 2.316 MHz
Single Rail
Dual Rail NRZ
Dual Rail RZ
T1/J1 RECEIVER ELECTRICAL CHARACTERISTICS
Parameter
ALOS[2:0]
000
001 (default)
010
011
100
101
110
111
LOS hysteresis
ALOS[2:0]
000
001 (default)
010
011
1xx (reserved)
LOS hysteresis
138.0
12.5
28.0
Min
-14
0.4
20
20
20
1544
Typ.
0.25
0.41
175
0.5
0.7
0.9
1.2
1.4
1.6
1.8
2.0
1.0
1.4
1.8
2.2
3.1
2.2
6.5
2.5
1.4
15
12
4
21(+1) CHANNEL HIGH-DENSITY T1/E1/J1 LINE INTERFACE UNIT
127
Max
0.05
% ones
Unit
U.I.
K Ω
K Ω
K Ω
V
V
U.I.
U.I.
U.I.
U.I.
U.I.
U.I.
dB
dB
dB
dB
dB
dB
pp
pp
with Nominal Pulse Amplitude of 3.0 V for 100 Ω ter-
mination, adding -18 dB interference signal.
In Differential mode, measured between RTIP and
RRING pins.
In Singled Ended mode, measured between RTIP
and GNDA pins
Refer to Table-17 for LLOS Criteria Declare and
Clear.
Measured on the line with the monitor gain set by
the MG[1:0] bits
resistive attenuation. Refer to Table-17 for LLOS
Criteria Declare and Clear.
G.775, ETSI 300233
JA disabled; Wide band
AT&T62411
@772 KHz; Rx port is high-Z
The RRINGn pins are open.
G.703
JA Disabled
Test Conditions
(b1~0, RCF2,...)
February 6, 2009
equal to the