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參數(shù)資料
型號: LTC1546CG#TR
廠商: Linear Technology
文件頁數(shù): 12/20頁
文件大?。?/td> 0K
描述: IC TXRX SOFTWARE SELECTBL 28SSOP
標(biāo)準(zhǔn)包裝: 2,000
類型: 收發(fā)器
驅(qū)動器/接收器數(shù): 3/3
電源電壓: 4.75 V ~ 5.25 V
安裝類型: 表面貼裝
封裝/外殼: 28-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 28-SSOP
包裝: 帶卷 (TR)
2
LTC1546
ORDER PART
NUMBER
(Note 1)
Supply Voltage ....................................................... 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 (VCC + 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
LTC1546C ............................................... 0
°C to 70°C
LTC1546I ........................................... – 40
°C to 85°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300
°C
LTC1546CG
LTC1546IG
Consult factory for parts specified with wider operating temperature ranges.
TJMAX = 150°C, θJA = 90°C/ W*
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
28
27
26
25
24
23
22
21
20
19
18
17
16
15
C1
C1+
VDD
VCC
D1
D2
D3
R1
R2
R3
M0
M1
M2
DCE/DTE
C2+
C2
VEE
GND
D1 A
D1 B
D2 A
D2 B
D3/R1 A
D3/R1 B
R2 A
R2 B
R3 A
R3 B
R3
CHARGE PUMP
R1
D2
D1
R2
D3
G PACKAGE
28-LEAD PLASTIC SSOP
T
The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V (Notes 2, 3)
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 VCC)
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
60
500
A
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
8.0
9.3
V
V.35 Mode
q
7.0
8.0
V
V.28 Mode, with Load
q
8.0
8.7
V
V.28 Mode, with Load, IDD = 10mA
6.5
V
V
Negative Charge Pump Output Voltage
V.28 Mode, No Load
– 9.6
V
V.28 Mode, Full Load
q
– 7.5
– 8.5
V
V.35 Mode
q
– 5.5
– 6.5
V
RS530, RS530-A, X.21 Modes, Full Load
q
– 4.5
– 6.0
V
*
θJA SOLDERED TO A CIRCUIT BOARD
IS TYPICALLY 60
°C/W
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
ELECTRICAL CHARACTERISTICS
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