Datasheet

DIN2
DOUT3
9 15
Powerdown
RIN1
14
20
11
PWRDOWN
ROUT1
DIN1
DOUT2
8 16
RIN2
1310
ROUT2
DIN1
DOUT1
7 17
5 K
5 K
MAX3386E
SLLS659B –MAY 2006– REVISED MARCH 2011 www.ti.com
Table 1. TRUTH TABLE (SHUTDOWN FUNCTION)
DRIVER
PWRDWN RECEIVER OUTPUTS CHARGE PUMP
OUTPUTS
L High-Z High-Z Inactive
H Active Active Active
FUNCTIONAL BLOCK DIAGRAM
TERMINAL FUNCTIONS
TERMINAL
DESCRIPTION
NAME NO.
C1+ 1 Positive terminal of the voltage-doubler charge-pump capacitor
V+ 2 5.5-V supply generated by the charge pump
C1– 3 Negative terminal of the voltage-doubler charge-pump capacitor
C2+ 4 Positive terminal of the inverting charge-pump capacitor
C2– 5 Negative terminal of the inverting charge-pump capacitor
V– 6 –5.5-V supply generated by the charge pump
DIN1 7
DIN2 8 Driver inputs
DIN3 9
ROUT2 10
Receiver outputs. Swing between 0 and V
L
.
ROUT1 11
V
L
12 Logic-level supply. All CMOS inputs and outputs are referenced to this supply.
RIN2 13
RS-232 receiver inputs
RIN1 14
DOUT3 15
DOUT2 16 RS-232 driver outputs
DOUT1 17
GND 18 Ground
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