LTC2872
absoluTe MaxiMuM raTings
pin conFiguraTion
(Note 1)
TOP VIEW
Input Supplies
V , V ..................................................... –0.3V to 7V
CC
L
38 37 36 35 34 33 32
Generated Supplies
................................................V – 0.3V to 7.5V
V
1
2
3
4
5
6
7
8
9
31
V
CC
CC
V
DD
CC
A1
B1
30 A2
V .........................................................0.3V to –7.5V
EE
DD
B2
Y2
29
28
V
– V ..............................................................±5V
EE
Y1
SW........................................... –0.3V to (V + 0.3V)
CAP............................................. 0.3V to (V – 0.3V)
DD
EE
GND
Z1
27 GND
Z2
26
39
A±, A2, B±, B2, Y±, Y2, Z±, Z2 ......................–±5V to ±5V
DY±, DY2, DZ±, DZ2, RXEN1, RXEN2, DXEN±, DXEN2,
LB, H/F, TE485_±, TE485_2,
DY1
DZ1
RXEN1
25 DY2
V
EE
24 DZ2
23 RXEN2
22 DXEN2
DXEN1 10
TE485_1 11
TE485_2 12
485/232_±, 485/232_2 ................................ –0.3V to 7V
21
20
V
V
CC
DD
FEN, RA±, RA2, RB±, RB2...............–0.3V to (V + 0.3V)
L
Differential Enabled Terminator Voltage
13 14 15 16 17 18 19
(A±-B± or A2-B2 or Y±-Z± or Y2-Z2) .....................±6V
Operating Temperature
LTC2872C ................................................ 0°C to 70°C
LTC2872I .............................................–40°C to 85°C
Storage Temperature Range .................. –65°C to ±25°C
UHF PACKAGE
38-LEAD (5mm × 7mm) PLASTIC QFN
T
= ±25°C, θ = 34.7°C/W
JA
JMAX
EXPOSED PAD (PIN #39) IS V , MUST BE SOLDERED TO PCB
EE
orDer inForMaTion
LEAD FREE FINISH
LTC2872CUHF#PBF
LTC2872IUHF#PBF
TAPE AND REEL
PART MARKING*
2872
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC2872CUHF#TRPBF
LTC2872IUHF#TRPBF
0°C to 70°C
38-Lead (5mm × 7mm) Plastic QFN
38-Lead (5mm × 7mm) Plastic QFN
2872
–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 Systems [ Linear Systems ]
