ds265188-port-t1-e1-j1-transc Maxim Integrated Products, Inc., ds265188-port-t1-e1-j1-transc Datasheet - Page 293

• Manufacturer Part Number: ds265188-port-t1-e1-j1-transc
• Description: Ds26518 8-port T1/e1/j1 Transceiver
• Manufacturer: Maxim Integrated Products, Inc.

12.1
Table 12-4. Thermal Characteristics
Note 1:
Note 2:
12.2
Table 12-5. Transmitter Characteristics
Output Mark Amplitude
Output Zero Amplitude
Transmit Amplitude Variation with
Supply
Table 12-6. Receiver Characteristics
Cable Attenuation
Allowable Zeros Before Loss
(Note 1)
Allowable Ones Before Loss
(Note 2)
Note 1:
Note 2:
Ambient Temperature
Junction Temperature
Theta-JA ( θ
Thermal Characteristics
Line Interface Characteristics
The package is mounted on a four-layer JEDEC standard test board.
Theta-JA ( θ
board.
192 zeros for T1 and T1.231 Specification Compliance. 192 zeros for E1 and G.775 Specification Compliance. 2048 zeros for
ETS 300 233 compliance.
24 ones in 192-bit period for T1.231; 192 ones for G.775; 192 ones for ETS 300 233.
PARAMETER
PARAMETER
JA
) in Still Air for 256-Pin TE-CSBGA
PARAMETER
JA
) is the junction-to-ambient thermal resistance, when the package is mounted on a four-layer JEDEC standard test
SYMBOL
SYMBOL
Attn
V
V
m
s
293 of 313
E1 75 Ω
E1 120 Ω
T1 100 Ω
J1 110 Ω
(Note 1)
(Note 1)
(Note 2)
CONDITIONS
CONDITIONS
CONDITIONS
2.13
2.70
2.40
2.40
MIN
MIN
MIN
-0.3
DS26518 8-Port T1/E1/J1 Transceiver
-40
-1
+17.5
2048
TYP
TYP
2.37
3.00
3.00
3.00
TYP
192
192
192
192
24
+125
MAX
MAX
MAX
2.61
3.30
3.60
3.60
+0.3
+85
+1
43
UNITS
UNITS
UNITS
°C/W
dB
°C
°C
%
V
V