MAX3385EEAP Maxim Integrated Products, MAX3385EEAP Datasheet - Page 4

• Manufacturer Part Number: MAX3385EEAP
• Description: Dual Transmitter/Receiver RS-232 20-Pin SSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX3385EEAP

• Package: 20SSOP
• Data Transmission Topology: Point-to-Point
• Interface Standards: EIA/TIA-232|RS-232|V.24|V.28
• Data Rate: 0.25(Min) Mbps
• Function: Line Transmitter/Receiver
• Number Of Transceivers: 1
• Number Of Transmitters: 2
• Transmitter Signal Type: Single-Ended
• Transmitter Communication Type: RS-232
• Typical Single Supply Voltage: 3.3|5 V

±15kV ESD-Protected, 3.0V to 5.5V, Low-Power,
up to 250kbps, True RS-232 Transceiver
(V
______________________________________________________________ Pin Description
4
__________________________________________Typical Operating Characteristics
CC
10, 13
11, 12
_______________________________________________________________________________________
8, 15
9, 14
PIN
-1
-2
-3
-4
-5
-6
SO
16
18
= +3.3V, 250kbps data rate, 0.1µF capacitors, all transmitters loaded with 3kΩ and C
17
6
5
4
3
2
1
0
1
2
3
4
5
6
7
0
T1 TRANSMITTING AT 250kbps
T2 TRANSMITTING AT 15.6kbps
TRANSMITTER OUTPUT VOLTAGE
PIN
1000
vs. LOAD CAPACITANCE
1, 10, 11
LOAD CAPACITANCE (pF)
SSOP
12, 15
13, 14
8, 17
9, 16
18
19
20
2
3
4
5
6
7
2000
3000
V
R_OUT
OUT+
T_OUT
NAME
SHDN
V
GND
R_IN
T_IN
N.C.
C1+
C2+
V
C1-
C2-
OUT-
V+
V-
4000
CC
5000
No Connection. Not internally connected.
Positive terminal of the voltage-doubler charge-pump capacitor.
+5.5V generated by the charge pump.
Negative terminal of the voltage-doubler charge-pump capacitor.
Positive terminal of inverting charge-pump capacitor.
Negative terminal of inverting charge-pump capacitor.
-5.5V generated by the charge pump.
RS-232 Transmitter Outputs
RS-232 Receiver Inputs
TTL/CMOS Receiver Outputs
TTL/CMOS Transmitter Inputs
Ground
+3.0V to +5.5V Supply Voltage
Active-Low Shutdown-Control Input. Drive low to shut down transmitters and charge
14
12
10
16
8
6
4
2
0
0
SLEW RATE vs. LOAD CAPACITANCE
FOR DATA RATES UP TO 250kbps
1000
LOAD CAPACITANCE (pF)
+SLEW
2000
-SLEW
3000
4000
FUNCTION
5000
L
, T
40
35
30
25
20
15
10
45
A
5
0
= +25°C, unless otherwise noted.)
0
T1 TRANSMITTING AT 250kbps
T2 TRANSMITTING AT 15.6kbps
OPERATING SUPPLY CURRENT
1000
vs. LOAD CAPACITANCE
LOAD CAPACITANCE (pF)
2000
250kbps
3000
20kbps
120kbps
4000
5000