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LTC2803CDHC 数据表(PDF) 13 Page - Linear Technology

部件名 LTC2803CDHC
功能描述  1.8V to 5.5V RS-232 Single and Dual Transceivers
PDF  18 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC2803CDHC 数据表(HTML) 13 Page - Linear Technology

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2801234fe
LTC2801/LTC2802/
LTC2803/LTC2804
VCC = 5.5V
DRIVERS DISABLED
VCC = 5.5V
DRIVERS LOADED
VCC = 1.8V
DRIVERS DISABLED
VCC = 1.8V
DRIVERS LOADED
VSW
5V/DIV
200ns/DIV
2801 F21
2801 F20
LTC2803
OFF ON
C5
220nF
3V TO 25V
–25V TO 0V
NOTES:
1. NO L1 OR C2-C4 NEEDED.
2. RECEIVERS ACTIVE MODE SHOWN HAS NO DC HYSTERESIS.
3. SEE DUTY CYCLE GRAPH IN TYPICAL PERFORMANCE SECTION.
1.8V TO 5.5V
R2IN
R2IN
MODE
VCC
SW
R2OUT
R1OUT
15
16
10
13
14
6
8
17
12
GND
PS
T2IN
T1IN
VEE
VDD
2
1
11
5
7
VL
VL
0V
2801 F19
LTC2803
LTC2803
L1
10µH
VCC
VL
5
12
13
14
15
16
T2OUT
T1OUT
R2IN
R1IN
T2IN
T1IN
R2OUT
R1OUT
4
3
2
1
6
VDD
2.5V TO 5.5V
VCC
VL
C1
470nF
C4
2µF
C2
2µF
C3
2µF
SW
CAP
SW
CAP
5
12
13
14
15
16
T2OUT
T1OUT
R2IN
R1IN
T2IN
T1IN
R2OUT
R1OUT
4
3
2
1
7
9
7
9
6
VDD
8
GND
8
GND
17
VEE
17
VEE
ANY COMBINATION
LTC2801/LTC2802/LTC2803/LTC2804
2801 F18
3k
CL
CL (nF)
5
2
0.5
LTC2803
X
X
LTC2804
X
X
X
DATA RATE
(kbps)
100
250
1000
13
14
4
3
tyPical aPPlicationS
Figure 18. Driving Larger Loads
Figure 19. Quad Transceiver (2.5V < VCC < 5.5V)
Figure 21. Typical SW Pin Waveforms
Figure 20. 100kbps Dual Inverting Level Translator
(IL = 15µA Static)



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