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LTC2847CUHF Datasheet(PDF) 2 Page - Linear Technology

Part # LTC2847CUHF
Description  Software-Selectable Multiprotocol Transceiver with Termination and 3.3V Digital Interface
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2847CUHF Datasheet(HTML) 2 Page - Linear Technology

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2
LTC2847
sn2847 2847fs
ORDER PART
NUMBER
(Note 1)
VCC Voltage.............................................. –0.3V to 6.5V
VIN Voltage .............................................. –0.3V to 6.5V
Input Voltage
Transmitters ........................... – 0.3V to (VCC + 0.3V)
Receivers ............................................... – 18V to 18V
Logic Pins .............................. – 0.3V to (VCC + 0.3V)
Output Voltage
Transmitters ................. (VEE – 0.3V) to (VDD + 0.3V)
Receivers ................................. – 0.3V to (VIN + 0.3V)
VEE........................................................ – 10V to 0.3V
VDD ....................................................... – 0.3V to 10V
Short-Circuit Duration
Transmitter Output ..................................... Indefinite
Receiver Output .......................................... Indefinite
VEE.................................................................. 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
ABSOLUTE
AXI U
RATI GS
PACKAGE/ORDER I FOR ATIO
The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, VIN = 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
UHF PACKAGE
38-LEAD (7mm
× 5mm) PLASTIC QFN
UNDERSIDE METAL INTERNALLY CONNECTED TO VEE
(PCB CONNECTION OPTIONAL)
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
VDD
NC
VCC
D1
D2
D3
R1
R2
R3
M0
M1
GND
GND
D1 A
D1 B
D2 A
D2 B
D3/R1 A
D3/R1 B
NC
NC
R2 A
R2 B
TJMAX = 125°C, θJA = 34°C/W
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Supplies
ICC
VCC Supply Current (DCE Mode,
RS530, RS530-A, X.21 Modes, No Load
14
mA
All Digital Pins = GND or VIN)
RS530, RS530-A, X.21 Modes, Full Load
q
100
130
mA
V.35 Mode
q
126
170
mA
V.28 Mode, No Load
20
mA
V.28 Mode, Full Load
q
35
75
mA
No-Cable Mode
q
300
900
µA
IVIN
VIN Supply Current
All Modes Except No-Cable Mode
405
µA
(DCE Mode, All Digital Pins = GND or VIN)
PD
Internal Power Dissipation (DCE Mode)
RS530, RS530-A, X.21 Modes, Full Load
410
mW
V.35 Mode, Full Load
625
mW
V.28 Mode, Full Load
150
mW
V +
Positive Charge Pump Output Voltage
V.11 or V.28 Mode, No Load
q
8
9.3
V
V.35 Mode
q
7
8.0
V
V.28 Mode, with Load
q
8
8.7
V
V.28 Mode, with Load, IDD = 10mA
6.5
V


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