參數(shù)資料
型號： 2847
廠商： Linear Technology Corporation
英文描述： Software-Selectable Multiprotocol Transceiver with Termination and 3.3V Digital Interface
中文描述： 軟件選擇多協(xié)議收發(fā)器終止和3.3V數(shù)字接口
文件頁數(shù)： 2/20頁
文件大?。?/td> 275K
代理商： 2847
2
LTC2847
sn2847 2847fs
ORDER PART
NUMBER
(Note 1)
V
CC
Voltage.............................................. –0.3V to 6.5V
V
IN
Voltage .............................................. –0.3V to 6.5V
Input Voltage
Transmitters........................... –0.3V to (V
CC
+ 0.3V)
Receivers............................................... –18V to 18V
Logic Pins .............................. –0.3V to (V
CC
+ 0.3V)
Output Voltage
Transmitters................. (V
EE
– 0.3V) to (V
DD
+ 0.3V)
Receivers................................. –0.3V to (V
IN
+ 0.3V)
V
EE
........................................................ –10V to 0.3V
V
DD
....................................................... –0.3V to 10V
Short-Circuit Duration
Transmitter Output ..................................... Indefinite
Receiver Output.......................................... Indefinite
V
EE
.................................................................. 30 sec
Operating Temperature Range
LTC2847C ...............................................0
°
C to 70
°
C
LTC2847I........................................... –40
°
C to 85
°
C
Storage Temperature Range................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
LTC2847CUHF
LTC2847IUHF
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
The
G
denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. V
CC
= 5V, V
IN
= 3.3V, unless otherwise noted (Notes 2, 3)
ELECTRICAL CHARACTERISTICS
Consult LTC Marketing for parts specified with wider operating temperature ranges.
UHF PART
MARKING
2847
2847I
13 14 15 16
TOP VIEW
V
E
UHF PACKAGE
38-LEAD (7mm
×
5mm) PLASTIC QFN
UNDERSIDE METAL INTERNALLY CONNECTED TO V
EE
(PCB CONNECTION OPTIONAL)
T
JMAX
= 125
°
C,
θ
JA
= 34
°
C/W
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
1
23
22
21
20
9
10
11
12
NC
V
DD
NC
V
CC
D1
D2
D3
R1
R2
R3
M0
M1
V
I
M
D
R
R
N
N
C
+
C
–
C
+
C
–
V
E
V
E
GND
GND
D1 A
D1 B
D2 A
D2 B
D3/R1 A
D3/R1 B
NC
NC
R2 A
R2 B
SYMBOL
Supplies
I
CC
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
CC
Supply Current (DCE Mode,
All Digital Pins = GND or V
IN
)
RS530, RS530-A, X.21 Modes, No Load
RS530, RS530-A, X.21 Modes, Full Load
V.35 Mode
V.28 Mode, No Load
V.28 Mode, Full Load
No-Cable Mode
All Modes Except No-Cable Mode
14
100
126
20
35
300
405
mA
mA
mA
mA
mA
μ
A
μ
A
G
G
130
170
G
G
75
900
I
VIN
V
IN
Supply Current
(DCE Mode, All Digital Pins = GND or V
IN
)
Internal Power Dissipation (DCE Mode)
P
D
RS530, RS530-A, X.21 Modes, Full Load
V.35 Mode, Full Load
V.28 Mode, Full Load
V.11 or V.28 Mode, No Load
V.35 Mode
V.28 Mode, with Load
V.28 Mode, with Load, I
DD
= 10mA
410
625
150
9.3
8.0
8.7
6.5
mW
mW
mW
V
+
Positive Charge Pump Output Voltage
G
G
G
8
7
8
V
V
V
V
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