MAX221EUE-T Maxim Integrated, MAX221EUE-T Datasheet - Page 8

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MAX221EUE-T

Manufacturer Part Number
MAX221EUE-T
Description
RS-232 Interface IC
Manufacturer
Maxim Integrated
Series
MAX221r
Datasheet

Specifications of MAX221EUE-T

Data Rate
250 Kbps
Operating Supply Voltage
5 V
Supply Current
10 mA
Operating Temperature Range
0 C to + 70 C
Mounting Style
SMD/SMT
Function
Transceiver
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Number Of Drivers
1
Number Of I/os
4
Number Of Receivers
1
Propagation Delay Time Ns
0.15 us
Shutdown
Yes
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
8 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 1999 Maxim Integrated Products
Figure 5. Transmitter Output Exiting Shutdown or
Powering Up
+5V, 1µA, Single RS-232 Transceiver
with AutoShutdown
Figure 6. Loopback Test Circuit
C1
C2
V
5V/div
5V/div
0V
CC
+5V
0.1 F
FORCEOFF
FORCEON
C1+
C1-
C2+
C2-
TIN
ROUT
EN
50 s/div
MAX221
GND
V
CC
TIN = V
TIN = GND
INVALID
5k
TOUT
RIN
V+
V-
CC
Printed USA
FORCEON =
FORCEOFF
TOUT
C3
C4
1000pF
TRANSISTOR COUNT: 157
Figure 7. Loopback Test Result at 120kbps
Figure 8. Loopback Test Result at 250kbps
___________________Chip Information
is a registered trademark of Maxim Integrated Products.
5V/div
5V/div
5V/div
5V/div
5V/div
5V/div
2 s/div
2 s/div
TIN
TOUT
ROUT
TIN
TOUT
ROUT

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