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MAX3221CPWRG4 Datasheet(PDF) 3 Page - Texas Instruments

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Part # MAX3221CPWRG4
Description  MAX3221 3-V to 5.5-V RS-232 Line Driver and Receiver With ±15-kV ESD Protection
PDF  27 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

MAX3221CPWRG4 Datasheet(HTML) 3 Page - Texas Instruments

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5 Pin Configuration and Functions
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
EN
C1+
V+
C1−
C2+
C2−
V−
RIN
FORCEOFF
VCC
GND
DOUT
FORCEON
DIN
INVALID
ROUT
Figure 5-1. DB or PW Package, 16-Pin SSOP or TSSOP, Top View
Table 5-1. Pin Functions
PIN
I/O
DESCRIPTION
NAME
NO.
C1+
2
—
Positive terminals of the voltage-doubler charge-pump capacitors
C2+
5
C1–
4
—
Negative terminals of the voltage-doubler charge-pump capacitors
C2–
6
DIN
11
I
Driver input
DOUT
13
O
RS-232 driver output
EN
1
I
Low input enables receiver ROUT output. High input sets ROUT to high impedance.
FORCEOFF
16
I
Automatic power-down control input
FORCEON
12
I
Automatic power-down control input
GND
14
—
Ground
INVALID
10
O
Invalid output pin. Output low when all RIN inputs are unpowered.
RIN
8
I
RS-232 receiver input
ROUT
9
O
Receiver output
VCC
15
—
3-V to 5.5-V supply voltage
V+
3
O
5.5-V supply generated by the charge pump
V–
7
O
–5.5-V supply generated by the charge pump
www.ti.com
MAX3221
SLLS348P – JUNE 1999 – REVISED JULY 2021
Copyright © 2021 Texas Instruments Incorporated
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Product Folder Links: MAX3221



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