LTC2872
absoluTe MaxiMuM raTings
(Note 1)
pin conFiguraTion
TOP VIEW
GND
RB1
RA1
RA2
RB2
31 V
CC
30 A2
29 B2
28 Y2
27 GND
39
V
EE
26 Z2
25 DY2
24 DZ2
23
RXEN2
22 DXEN2
21 V
CC
20 V
DD
13 14 15 16 17 18 19
485/232_1
485/232_2
H/F
GND
CAP
FEN
SW
LB
V
L
Input Supplies
V
CC
, V
L
..................................................... –0.3V to 7V
Generated Supplies
V
DD
................................................ V
CC
– 0.3V to 7.5V
V
EE
......................................................... 0.3V to –7.5V
V
DD
– V
EE
..............................................................15V
SW ........................................... –0.3V to (V
DD
+ 0.3V)
CAP............................................. 0.3V to (V
EE
– 0.3V)
A1, A2, B1, B2, Y1, Y2, Z1, Z2 ......................–15V to 15V
DY1, DY2, DZ1, DZ2,
RXEN1, RXEN2,
DXEN1, DXEN2,
LB, H/F, TE485_1, TE485_2,
485/232_1, 485/232_2 ................................ –0.3V to 7V
FEN, RA1, RA2, RB1, RB2 ...............–0.3V to (V
L
+ 0.3V)
Differential Enabled Terminator Voltage
(A1-B1 or A2-B2 or Y1-Z1 or Y2-Z2) .....................±6V
Operating Temperature
LTC2872C ................................................ 0°C to 70°C
LTC2872I .............................................–40°C to 85°C
Storage Temperature Range .................. –65°C to 125°C
38 37 36 35 34 33 32
V
CC
1
A1 2
B1 3
Y1 4
GND 5
Z1 6
DY1 7
DZ1 8
RXEN1
9
DXEN1 10
TE485_1 11
TE485_2 12
UHF PACKAGE
38-LEAD (5mm
×
7mm) PLASTIC QFN
T
JMAX
= 125°C,
θ
JA
= 34.7°C/W
EXPOSED PAD (PIN #39) IS V
EE
, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH
LTC2872CUHF#PBF
LTC2872IUHF#PBF
TAPE AND REEL
LTC2872CUHF#TRPBF
LTC2872IUHF#TRPBF
PART MARKING*
2872
2872
PACKAGE DESCRIPTION
38-Lead (5mm
×
7mm) Plastic QFN
38-Lead (5mm
×
7mm) Plastic QFN
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/
2872f
2
LINEAR [ LINEAR INTEGRATED SYSTEMS ]
