參數(shù)資料
型號: LTC1543IG#TRPBF
廠商: Linear Technology
文件頁數(shù): 12/20頁
文件大?。?/td> 0K
描述: IC TXRX SOFTWARE SELECTBL 28SSOP
標準包裝: 2,000
類型: 收發(fā)器
驅動器/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)
供應商設備封裝: 28-SSOP
包裝: 帶卷 (TR)
2
LTC1543
sn1534 1543fas
ABSOLUTE
AXI U
RATI GS
W
WW
U
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)
Logic Pins .............................. – 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
LTC1543C .............................................. 0
°C to 70°C
LTC1543I ........................................... – 40
°C to 85°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300
°C
LTC1543CG
LTC1543IG
Consult LTC Marketing for parts specified with wider operating
temperature ranges.
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
TJMAX = 150°C, θJA = 90°C/ W
The q denotes specifications which apply over the full operating tempera-
ture range. VCC = 5V (Notes 2, 3)
ELECTRICAL CHARACTERISTICS
PACKAGE/ORDER I FOR ATIO
UU
W
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Supplies
ICC
VCC Supply Current (DCE Mode,
RS530, RS530-A, X.21 Modes, No Load
13
mA
All Digital Pins = GND or VCC)
RS530, RS530-A, X.21 Modes, Full Load
q
100
130
mA
V.35 Mode, No Load
20
mA
V.35 Mode, Full Load
q
126
170
mA
V.28 Mode, No Load
20
mA
V.28 Mode, Full Load
q
40
75
mA
No-Cable Mode
q
120
500
A
PD
Internal Power Dissipation (DCE Mode)
RS530, RS530-A, X.21 Modes, Full Load
230
mW
V.35 Mode, Full Load
600
mW
V.28 Mode, Full Load
140
mW
V +
Positive Charge Pump Output Voltage
Any Mode, No Load
q
8.0
9.4
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, V.35 Modes, No Load
– 9.6
V
V.28 Mode, Full Load
q
– 8.0
– 8.5
V
V.35 Mode, Full Load
q
– 5.5
– 6.7
V
RS530, RS530-A, X.21 Modes, Full Load
q
– 4.5
– 5.7
V
fOSC
Charge Pump Oscillator Frequency
150
kHz
tr
Supply Rise Time
No-Cable Mode or Power-Up to Turn On
2
ms
Logic Inputs and Outputs
VIH
Logic Input High Voltage
q
2V
VIL
Logic Input Low Voltage
q
0.8
V
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