ADM3202 Analog Devices, ADM3202 Datasheet - Page 4

• Manufacturer Part Number: ADM3202
• Description: Low Power/ +3.3 V/ RS-232 Line Drivers/Receivers
• Manufacturer: Analog Devices

ADM3202/ADM3222/ADM1385
Mnemonic
V
V+
V–
GND
C1+, C1–
C2+, C2–
Tx
Tx
Rx
Rx
EN
SD
SD
DD
CC
IN
OUT
IN
OUT
PIN FUNCTION DESCRIPTIONS
Function
Power Supply Input: +3.3 V ± 0.3 V.
Internally Generated Positive Supply
(+6 V Nominal).
Internally Generated Negative Supply
(–6 V Nominal).
Ground Pin. Must be connected to 0 V.
External Capacitor 1 is connected between these
pins. 0.1 µF capacitor is recommended but larger
capacitors up to 47 µF may be used.
External Capacitor 2 is connected between these
pins. 0.1 µF capacitor is recommended but larger
capacitors up to 47 µF may be used.
Transmitter (Driver) Inputs. These inputs accept
TTL/CMOS levels.
Transmitter (Driver) Outputs. These are RS-232
signal levels (typically ± 9 V).
Receiver Inputs. These inputs accept RS-232
signal levels. An internal 5 kΩ pull-down resistor
to GND is connected on each input.
Receiver Outputs. These are CMOS output logic
levels.
(ADM3222) Receiver Enable, Active Low. When
low, the receiver outputs are enabled. When high,
they are three-stated.
(ADM3222) Shutdown Control. Active Low.
When low, the charge pump is shut down and
the transmitter outputs are disabled.
(ADM1385) Shutdown Control. When low, the
charge pump is shut down and all transmitters
and receivers are disabled.
(ADM1385) Driver Disable. When low, the
charge pump is turned off and the transmitters
are disabled. The receivers remain active.
T2
T2
R2
R2
R2
C1+
C1–
C2+
C2–
C1+
C2+
OUT
C1–
C2–
OUT
OUT
EN
V+
V–
V+
V–
IN
IN
PIN CONNECTIONS DIP (RS, RU Packages)
NC = NO CONNECT
1
2
3
4
5
6
7
8
10
1
2
3
4
5
6
7
8
9
PIN CONNECTIONS DIP (N, R Packages)
(Not to Scale)
(Not to Scale)
ADM3202
TOP VIEW
ADM3222
TOP VIEW
TSSOP)
(SSOP
16
15
14
13
12
11
10
9
20
19
18
17
16
15
14
13
12
11
V
GND
T1
R1
R1
T1
T2
R2
SD
NC
V
GND
T1
R1
R1
NC
T1
T2
CC
CC
OUT
IN
IN
IN
OUT
OUT
OUT
IN
IN
IN
OUT
T2
T2
R2
R2
C1+
C1–
C2+
C2–
C1+
C2+
OUT
C1–
C2–
OUT
EN
DD
NC
V+
V–
V+
V–
IN
IN
NC = NO CONNECT
10
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
1
(Not to Scale)
(Not to Scale)
ADM3222
TOP VIEW
ADM1385
TOP VIEW
(SSOP)
18
17
16
15
14
13
12
11
10
20
19
18
17
16
15
14
13
12
11
SD
V
GND
T1
R1
R1
T1
T2
R2
SD
NC
V
GND
T1
R1
R1
T1
T2
R2
CC
CC
OUT
IN
IN
IN
OUT
OUT
OUT
IN
IN
IN
OUT
OUT