MAX3232CSE-G077 Maxim Integrated, MAX3232CSE-G077 Datasheet - Page 4

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MAX3232CSE-G077

Manufacturer Part Number
MAX3232CSE-G077
Description
RS-232 Interface IC
Manufacturer
Maxim Integrated
Series
MAX3222, MAX3232, MAX3237, MAX3241r
Datasheet

Specifications of MAX3232CSE-G077

Data Rate
235 Kbps
Operating Supply Voltage
3 V to 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
2
Number Of I/os
8
Number Of Receivers
2
Propagation Delay Time Ns
0.3 us
Shutdown
No
3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232
Transceivers Using Four 0.1µF External Capacitors
TIMING CHARACTERISTICS—MAX3237
(V
MAX3222/MAX3232/MAX3237/MAX3241
Note 2: MAX3222/MAX3232/MAX3241: C1–C4 = 0.1µF tested at 3.3V ±10%; C1 = 0.047µF, C2–C4 = 0.33µF tested at 5.0V ±10%.
Note 3: Transmitter input hysteresis is typically 250mV.
(V
4
__________________________________________Typical Operating Characteristics
Maximum Data Rate
Receiver Propagation Delay
Receiver Output Enable Time
Receiver Output Disable Time
Transmitter Skew
Receiver Skew
Transition-Region Slew Rate
CC
CC
-1
-2
-3
-4
-5
-6
6
5
4
3
2
1
0
= +3.0V to +5.5V, C1–C4 = 0.1µF (Note 2), T
= +3.3V, 235kbps data rate, 0.1µF capacitors, all transmitters loaded with 3kΩ, T
0
PARAMETER
MAX3237: C1–C4 = 0.1µF tested at 3.3V ±5%; C1–C4 = 0.22µF tested at 3.3V ±10%; C1 = 0.047µF, C2–C4 = 0.33µF tested
at 5.0V ±10%.
TRANSMITTER OUTPUT VOLTAGE
1000
vs. LOAD CAPACITANCE
LOAD CAPACITANCE (pF)
MAX3222/MAX3232
2000
3000
V
V
4000
OUT
OUT
R
MBAUD = GND
V
one transmitter switching, MBAUD = V
V
one transmitter switching, MBAUD = V
R_IN to R_OUT, C
Normal operation
Normal operation
|
|
|
V
+3V to -3V or -3V to +3V,
T
t
t
t
CC
CC
CC
A
L
PHL
PHL
PHL
+
-
= +25°C
= 3kΩ, C
= 3.0V to 4.5V, R
= 4.5V to 5.5V, R
= 3.3V, R
5000
- t
- t
- t
PLH
PLH
PLH
L
|
|
|
, MBAUD = GND
, MBAUD = V
= 1000pF, one transmitter switching,
L
22
20
18
16
14
12
10
8
6
4
2
0
= 3Ω to 7kΩ,
A
150
L
= T
= 150pF
CONDITIONS
MIN
L
L
1000
= 3kΩ, C
= 3kΩ, C
vs. LOAD CAPACITANCE
to T
FOR DATA RATES UP TO 235kbps
LOAD CAPACITANCE (pF)
CC
MAX3222/MAX3232
+SLEW
MAX
2000
SLEW RATE
C
to 1000pF
C
MBAUD = GND
L
L
L
L
, unless otherwise noted. Typical values are at T
= 250pF,
= 1000pF,
= 150pF
= 150pF to 2500pF,
-SLEW
3000
CC
CC
t
t
PHL
PLH
4000
MBAUD =
GND
MBAUD =
V
CC
5000
A
= +25°C, unless otherwise noted.)
40
35
30
25
20
15
10
5
0
1000
1000
SUPPLY CURRENT vs. LOAD CAPACITANCE
MIN
250
24
6
4
0
WHEN TRANSMITTING DATA
1000
TYP
0.15
0.15
LOAD CAPACITANCE (pF)
200
200
100
MAX3222/MAX3232
25
50
2000
MAX
150
30
30
235kbps
120kbps
20kbps
A
3000
= +25°C.)
Maxim Integrated
4000
UNITS
kbps
V/µs
µs
ns
ns
ns
ns
ns
5000

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