DS26518GN+ Maxim Integrated Products, DS26518GN+ Datasheet - Page 292
![IC TXRX T1/E1/J1 8PORT 256-CSBGA](/photos/6/50/65053/256-csbga_21-0315_sml.jpg)
DS26518GN+
Manufacturer Part Number
DS26518GN+
Description
IC TXRX T1/E1/J1 8PORT 256-CSBGA
Manufacturer
Maxim Integrated Products
Type
Transceiverr
Specifications of DS26518GN+
Number Of Drivers/receivers
8/8
Protocol
T1/E1/J1
Voltage - Supply
3.135 V ~ 3.465 V
Mounting Type
Surface Mount
Package / Case
256-CSBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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12.1
Table 12-4. Thermal Characteristics
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:
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
292 of 312
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
-40
-1
+17.5
2048
TYP
TYP
TYP
2.37
3.00
3.00
3.00
192
192
192
192
24
MAX
+125
MAX
MAX
+0.3
2.61
3.30
3.60
3.60
+85
+1
43
UNITS
UNITS
UNITS
°C/W
dB
°C
°C
%
V
V
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