Datasheet

13
2801234fe
LTC2801/LTC2802/
LTC2803/LTC2804
V
CC
= 5.5V
DRIVERS DISABLED
V
CC
= 5.5V
DRIVERS LOADED
V
CC
= 1.8V
DRIVERS DISABLED
V
CC
= 1.8V
DRIVERS LOADED
V
SW
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
V
CC
SW
R2OUT
R1OUT
15
16
10
13
14
68 17
12
GND
PS
T2IN
T1IN
V
EE
V
DD
2
1
11
5
7
V
L
V
L
0V
2801 F19
LTC2803LTC2803
L1
10µH
V
CC
V
L
5
12
13
14
15
16
T2OUT
T1OUT
R2IN
R1IN
T2IN
T1IN
R2OUT
R1OUT
4
3
2
1
6
V
DD
2.5V TO 5.5V
V
CC
V
L
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
V
DD
8
GND
8
GND
17
V
EE
17
V
EE
ANY COMBINATION
LTC2801/LTC2802/LTC2803/LTC2804
2801 F18
3k
C
L
C
L
(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 < V
CC
< 5.5V)
Figure 21. Typical SW Pin Waveforms
Figure 20. 100kbps Dual Inverting Level Translator
(I
L
= 15µA Static)
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.