1 µA S u p p ly Cu rre n t , 1 Mb p s , 3 .0 V t o 5 .5 V,
RS -2 3 2 Tra n s c e ive rs w it h Au t o S h u t d o w n P lu s
–7/MAX3245
__________________________________________Typ ic a l Op e ra t in g Ch a ra c t e ris t ic s
(V = +3.3V, 250kbps data rate, C1–C4 = 0.1µF, all transmitters loaded with 3kΩ and C , T = +25°C, unless otherwise noted.)
L
CC
A
MAX3224/MAX3226
OPERATING SUPPLY CURRENT
vs. LOAD CAPACITANCE
MAX3224/MAX3226
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
MAX3224/MAX3226
SLEW RATE vs. LOAD CAPACITANCE
6
5
4
3
2
1
0
16
14
12
10
8
45
40
35
30
25
20
15
10
5
V
OUT+
250kbps
T1 TRANSMITTING AT 250kbps
-SLEW
T2 (MAX3224) TRANSMITTING AT 15.6kbps
120kbps
+SLEW
-1
-2
-3
-4
-5
-6
20kbps
6
4
T1 TRANSMITTING AT 250kbps
T2 (MAX3224) TRANSMITTING AT 15.6kbps
V
OUT-
2
FOR DATA RATES UP TO 250kbps
0
0
0
1000
2000
3000
4000
5000
0
1000
2000
3000
4000
5000
0
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
MAX3225/MAX3227
OPERATING SUPPLY CURRENT
vs. LOAD CAPACITANCE
MAX3225/MAX3227
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
MAX3225/MAX3227
SLEW RATE vs. LOAD CAPACITANCE
100
90
80
70
60
50
40
30
20
10
0
7.5
5.0
2.5
0
80
70
60
50
40
30
20
10
0
1 TRANSMITTER AT FULL DATA RATE
1 TRANSMITTER AT 1/16 DATA RATE
(MAX3225)
LOAD = 3kΩ + C
L
2Mbps
1.5Mbps
-SLEW
+SLEW
1Mbps
2Mbps
1 TRANSMITTER AT FULL DATA RATE
1 TRANSMITTER AT 1/16 DATA RATE
(MAX3225)
1.5Mbps
LOAD = 3kΩ + C
L
1.5Mbps
1Mbps
-2.5
-5.0
-7.5
2Mbps
1Mbps
1 TRANSMITTER AT 1Mbps
1 TRANSMITTER AT 62.5kbps (MAX3225)
0
500
1000
1500
2000
2500
0
500
1000
1500
2000
2500
0
500
1000
1500
2000
2500
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
MAX3224–MAX3227
READY TURN-ON TIME
vs. TEMPERATURE
MAX3225/MAX3227
TRANSMITTER SKEW vs.
LOAD CAPACITANCE
MAX3224–MAX3227
READY TURN-OFF TIME
vs. TEMPERATURE
50
45
40
35
30
25
20
15
10
5
38
200
1 TRANSMITTER AT 512kbps
1 TRANSMITTER AT 30kbps
(MAX3225)
180
160
140
120
100
80
36
34
32
30
28
26
24
22
20
LOAD = 3kΩ + C
L
AVERAGE; 10 PARTS
60
40
20
0
0
-40 -20
0
20
40
60
80 100
0
500 1000 1500 2000 2500 3000
LOAD CAPACITANCE (pF)
-40 -20
0
20
40
60
80 100
TEMPERATURE (°C)
TEMPERATURE (°C)
_______________________________________________________________________________________
5
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
