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ADM3232E Datasheet(PDF) 5 Page - Analog Devices

Part No. ADM3232E
Description  -15 kV ESD Protected, 3.3 V, RS-232 Line Driver/Receiver
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADM3232E
Rev. 0 | Page 5 of 12
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
C1+
1
V+
2
C1–
3
C2+
4
VCC
16
GND
15
T1OUT
14
R1IN
13
C2–
5
R1OUT
12
V–
6
T1IN
11
T2OUT 7
T2IN
10
R2IN 8
R2OUT
9
ADM3232E
TOP VIEW
(Not to Scale)
Figure 2. Pin Configuration
Table 3. Pin Function Descriptions
Pin No.
Mnemonic
Description
1, 3
C1+, C1–
External Capacitor 1 is connected between these pins. A 0.1 μF capacitor is recommended, but larger capacitors
of up to 47 μF can be used.
2
V+
Internally Generated Positive Supply (6 V Nominal).
4, 5
C2+, C2–
External Capacitor 2 is connected between these pins. A 0.1 μF capacitor is recommended, but larger capacitors
of up to 47 μF can be used.
6
V–
Internally Generated Negative Supply (−6 V Nominal).
7, 14
T_OUT
Transmitter (Driver) Outputs. These are RS-232 signal levels (typically ±6 V).
8, 13
R_IN
Receiver Inputs. These inputs accept RS-232 signal levels. An internal 5 kΩ pull-down resistor to GND is connected
on each input.
9, 12
R_OUT
Receiver Outputs. These are TTL/CMOS output logic levels.
10, 11
T_IN
Transmitter (Driver) Inputs. These inputs accept TTL/CMOS levels.
15
GND
Ground Pin. Must be connected to 0 V.
16
VCC
Power Supply Input (3.3 V ± 0.3 V).




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