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ADM242ANZ データシートの表示(PDF) - Analog Devices

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ADM242ANZ Datasheet PDF : 11 Pages
1 2 3 4 5 6 7 8 9 10
C1+ 1
V+ 2
16 VCC
15 GND
C13
14 T1OUT
C2+ 4 ADM232A 13 R1IN
TOP VIEW
C25 (Not to Scale) 12 R1OUT
V6
11 T1IN
T2OUT 7
10 T2IN
R2IN 8
9 R2OUT
Figure 9. ADM232A DIP/SOIC Pin Configuration
ADM222/ADM232A/ADM242
EN 1
18 SHDN
C1+ 2
V+ 3
17 VCC
16 GND
C14 ADM242 15 T1OUT
C2+ 5 TOP VIEW 14 R1IN
(Not to Scale)
C26
13 R1OUT
V7
12 T1IN
T2OUT 8
11 T2IN
R2IN 9
10 R2OUT
Figure 11. ADM242 DIP/SOIC Pin Configuration
5V INPUT
C1
0.1F
C2
0.1F
C5
0.1F
6.3V
16
1 C1+
VCC
3
+5V TO +10V
VOLTAGE DOUBLER
V+
2
C1
4
C2+ +5V TO 10V
VOLTAGE INVERTER V
6
5 C2
C3
0.1F
C4
0.1F
11
T1IN
TTL/CMOS
INPUTS*
10
T2IN
TTL/CMOS
OUTPUTS
12
R1OUT
9
R2OUT
T1
T2
R1
R2
14
T1OUT
RS-232
7
OUTPUTS
T2OUT
13
R1IN
RS-232
8
INPUTS**
R2IN
ADM232A
GND
15 * INTERNAL 400kPULL-UP RESISTOR
ON EACH TTL/CMOS INPUT
** INTERNAL 5kPULL-DOWN RESISTOR
ON EACH RS-232 INPUT
Figure 10. ADM232A Typical Operating Circuit
5V INPUT
C1
0.1F
C2
0.1F
C5
0.1F
6.3V
17
2 C1+
VCC
4
+5V TO +10V
VOLTAGE DOUBLER
V+
3
C1
5
C2+ +5V TO 10V
VOLTAGE INVERTER V
7
6 C2
C3
0.1F
C4
0.1F
12
T1IN
TTL/CMOS
INPUTS*
11
T2IN
13
R1OUT
TTL/CMOS
OUTPUTS
10
R2OUT
T1
T2
R1
R2
15
T1OUT
RS-232
8
OUTPUTS
T2OUT
14
R1IN
RS-232
9
INPUTS**
R2IN
EN 1
ADM242
GND
18 SHDN
16 * INTERNAL 400kPULL-UP RESISTOR
ON EACH TTL/CMOS INPUT
** INTERNAL 5kPULL-DOWN RESISTOR
ON EACH RS-232 INPUT
Figure 12. ADM242 Typical Operating Circuit
REV. B
–5–

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