MAX3221CAE-T Maxim Integrated, MAX3221CAE-T Datasheet - Page 4
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MAX3221CAE-T
Manufacturer Part Number
MAX3221CAE-T
Description
RS-232 Interface IC
Manufacturer
Maxim Integrated
Series
MAX3221, MAX3223, MAX3243r
Datasheet
1.MAX3223CAP-T.pdf
(16 pages)
Specifications of MAX3221CAE-T
Data Rate
120 Kbps
Operating Supply Voltage
3 V to 5.5 V
Supply Current
1 mA
Operating Temperature Range
0 C to + 70 C
Mounting Style
SMD/SMT
Function
Transceiver
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Number Of Drivers
1
Number Of I/os
4
Number Of Receivers
1
Propagation Delay Time Ns
0.3 us
Shutdown
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MAX3221CAE-T
Manufacturer:
MAXIM/美信
Quantity:
20 000
1µA Supply-Current, True +3V to +5.5V
RS-232 Transceivers with AutoShutdown
(V
4
__________________________________________Typical Operating Characteristics
-2.5
-5.0
-7.5
7.5
5.0
2.5
CC
-1
-2
-3
-4
-5
-6
0
6
5
4
3
2
1
0
_______________________________________________________________________________________
= +3.3V, 235kbps data rate, 0.1µF capacitors, all transmitters loaded with 3kΩ, T
0
0
1 TRANSMITTER AT 235kbps
2 TRANSMITTERS AT 30kbps
TRANSMITTER OUTPUT VOLTAGE
TRANSMITTER OUTPUT VOLTAGE
1000
1000
vs. LOAD CAPACITANCE
vs. LOAD CAPACITANCE
LOAD CAPACITANCE (pF)
MAX3221/MAX3223
LOAD CAPACITANCE (pF)
2000
2000
MAX3243
3000
3000
4000
V
V
4000
OUT+
OUT-
V
V
OUT
OUT
+
-
5000
5000
22
20
18
16
14
12
10
24
22
20
18
16
14
12
10
8
6
4
2
0
8
6
4
150 500
0
FOR DATA RATES UP TO 235kbps
ALL OUTPUTS LOADED WITH 3kΩ +C
0.1µF CHARGE-PUMP CAPACITORS
FOR ALL DATA RATES UP TO 235kbps
1000
1000
vs. LOAD CAPACITANCE
vs. LOAD CAPACITANCE
+SLEW
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
MAX3221/MAX3223
-SLEW
+SLEW
2000
2000
SLEW RATE
SLEW RATE
MAX3243
-SLEW
3000
3000
4000
4000
L
5000
5000
A
= +25°C, unless otherwise noted.)
45
40
35
30
25
20
15
10
40
35
30
25
20
15
10
5
0
5
CAPACITANCE WHEN TRANSMITTING DATA
SUPPLY CURRENT vs. LOAD CAPACITANCE
0
0
SUPPLY CURRENT vs. LOAD
WHEN TRANSMITTING DATA
1000
1000
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
MAX3221/MAX3223
2000
2000
MAX3243
235kbps
120kbps
20kbps
3000
3000
235kbps
120kbps
20kbps
4000
4000
MAX3221/3223-03
5000
5000
35
30
25
20
15
10
5
0