Datasheet
LTC2872
2
2872f
pin conFiguraTionabsoluTe MaxiMuM raTings
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
(Note 1)
13 14 15 16
TOP VIEW
39
V
EE
UHF PACKAGE
38-LEAD (5mm × 7mm) PLASTIC QFN
17 18 19
38 37 36 35 34 33 32
24
25
26
27
28
29
30
31
8
7
6
5
4
3
2
1V
CC
A1
B1
Y1
GND
Z1
DY1
DZ1
RXEN1
DXEN1
TE485_1
TE485_2
V
CC
A2
B2
Y2
GND
Z2
DY2
DZ2
RXEN2
DXEN2
V
CC
V
DD
RB1
RA1
LB
V
L
GND
RA2
RB2
485/232_1
485/232_2
H/F
FEN
CAP
GND
SW
23
22
21
20
9
10
11
12
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 TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2872CUHF#PBF LTC2872CUHF#TRPBF 2872
38-Lead (5mm × 7mm) Plastic QFN
0°C to 70°C
LTC2872IUHF#PBF LTC2872IUHF#TRPBF 2872
38-Lead (5mm × 7mm) Plastic QFN
–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/