MAX231EWE+ Maxim Integrated Products, MAX231EWE+ Datasheet - Page 4

• Manufacturer Part Number: MAX231EWE+
• Description: IC RS-232 DRVR/RCVR 16-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX231EWE+

• Number Of Drivers/receivers: 2/2
• Protocol: RS232
• Voltage - Supply: 5 V, 7.5 V ~ 13.2 V
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

+5V-Powered, Multichannel RS-232
Drivers/Receivers
ELECTRICAL CHARACTERISTICS—MAX220/222/232A/233A/242/243 (continued)
(V
Note 3: All units are production tested at hot. Specifications over temperature are guaranteed by design.
Note 4: MAX243 R2OUT is guaranteed to be low when R2IN ≥ 0V or is unconnected.
4
__________________________________________Typical Operating Characteristics
Receiver Propagation Delay RS-232 to
TLL (Normal Operation)
Receiver Propagation Delay RS-232 to
TLL (Shutdown)
Receiver-Output Enable Time
Receiver-Output Disable Time
Transmitter-Output Enable Time
(
Transmitter-Output Disable Time
(
Transmitter + to - Propagation Delay
Difference (Normal Operation)
Receiver + to - Propagation Delay
Difference (Normal Operation)
CC
-10
_______________________________________________________________________________________
10
-2
-4
-6
-8
8
6
4
2
0
= +5V ±10%, C1–C4 = 0.1µF‚ MAX220, C1 = 0.047µF, C2–C4 = 0.33µF, T
Goes High)
Goes Low)
0
OUTPUT VOLTAGE vs. LOAD CURRENT
EITHER V+ OR V- LOADED
V
NO LOAD ON
TRANSMITTER OUTPUTS
(EXCEPT MAX220, MAX233A)
V- LOADED, NO LOAD ON V+
CC
= +5V
PARAMETER
5
LOAD CURRENT (mA)
0.1μF
10
V+ LOADED, NO LOAD ON V-
MAX220/MAX222/MAX232A/MAX233A/MAX242/MAX243
15
1μF
20
1μF
0.1μF
25
t
t
t
t
t
t
t
t
t
t
DR
DT
PHLR
PLHR
PHLS
PHLS
ER
ET
PHLT
PHLR
, Figure 2
, Figure 2
, Figure 2
, Figure 2
11
10
- t
- t
9
8
7
6
5
4
PLHT
PLHR
0
ALL CAPS
1μF
ALL CAPS
0.1μF
AVAILABLE OUTPUT CURRENT
10
CONDITIONS
vs. DATA RATE
20
MAX222/MAX232A/MAX233/
MAX242/MAX243
MAX220
MAX222/MAX232A/MAX233/
MAX242/MAX243
MAX220
MAX242
MAX242
MAX242, Figure 3
MAX242, Figure 3
MAX222/MAX242, 0.1μF
caps (includes charge-pump
start-up), Figure 4
MAX222/MAX242,
0.1μF caps, Figure 4
MAX222/MAX232A/MAX233/
MAX242/MAX243
MAX220
MAX222/MAX232A/MAX233/
MAX242/MAX243
MAX220
DATA RATE (kb/s)
OUTPUT LOAD CURRENT
FLOWS FROM V+ TO V-
30
V
V
CC
CC
= +5.25V
= +4.75V
40
A
50
= T
MIN
60
to T
MAX
+10V
-10V
+5V
+5V
0V
0V
‚ unless otherwise noted.) (Note 3)
MIN
V+
V-
ON-TIME EXITING SHUTDOWN
SHDN
2000
TYP
125
160
250
600
300
100
225
0.5
0.6
0.6
0.8
0.5
2.5
0.1μF CAPS
MAX222/MAX242
0.1μF CAPS
1μF CAPS
1μF CAPS
500μs/div
MAX
500
500
10
10
1
3
1
3
V-
V+
UNITS
μs
μs
ns
ns
μs
ns
ns
ns