Datasheet
MAX3386E
3.0V, ±25kV ESD-Protected RS-232
Transceiver for PDAs and Cell Phones
_______________________________________________________________________________________ 5
1 C1+ Positive Terminal of the Voltage-Doubler Charge-Pump Capacitor
Pin Description
2 V+ +5.5V Supply Generated by the Charge Pump
3 C1- Negative Terminal of the Voltage-Doubler Charge-Pump Capacitor
4 C2+ Positive Terminal of the Inverting Charge-Pump Capacitor
5 C2- Negative Terminal of the Inverting Charge-Pump Capacitor
6 V- -5.5V Generated by the Charge Pump
7 T1IN
8 T2IN
9 T3IN
TTL/CMOS Transmitter Inputs
10 R2OUT
11 R1OUT
12 V
L
Logic-Level Supply. All CMOS inputs and outputs are referenced to this supply.
13 R2IN
14 R1IN
15 T3OUT
16 T2OUT
17 T1OUT
RS-232 Transmitter Outputs
18 GND Ground
19 V
CC
+3.0V to +5.5V Supply Voltage
20
SHDN
Shutdown Input. 0 = shutdown, 1 = normal operation.
NAME FUNCTIONPIN
TTL/CMOS Receiver Outputs. Swing between 0 and V
L
.
RS-232 Receiver Inputs