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ADM208 の電気的特性と機能

ADM208のメーカーはAnalog Devicesです、この部品の機能は「5V Powered CMOS RS-232 Drivers/Receivers」です。


製品の詳細 ( Datasheet PDF )

部品番号 ADM208
部品説明 5V Powered CMOS RS-232 Drivers/Receivers
メーカ Analog Devices
ロゴ Analog Devices ロゴ 




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ADM208 Datasheet, ADM208 PDF,ピン配置, 機能
0.1 μF, 5 V Powered CMOS
RS-232 Drivers/Receivers
ADM206/ADM207/ADM208/ADM211/ADM213
FEATURES
0.1 μF to 10 μF capacitors
120 kB/s data rate
Two receivers active in shutdown (ADM213)
On-board dc-to-dc converters
±9 V output swing with 5 V supply
Low power (15 mW)
Low power shutdown ≤ 5 μW
±30 V receiver input levels
Latch-up free
Pin compatible to MAX206-211/213
APPLICATIONS
Computers
Peripherals
Modems
Printers
Instruments
GENERAL DESCRIPTION
The ADM2xx family of line drivers/receivers is intended for all
EIA-232-E and V.28 communications interfaces, especially in
applications where ±12 V is not available. The ADM206,
ADM211, and ADM213 feature a low power shutdown mode
that reduces power dissipation to less than 5 μW, making them
ideally suited for battery-powered equipment. The ADM213 has
an active low shutdown and an active high receiver-enable
TYPICAL OPERATING CIRCUIT
5V INPUT
0.1μF +
16V
0.1μF +
16V
12 C1+
14 C1–
+5V TO +10V
VOLTAGE
DOUBLER
VCC 11
V+ 13
15 C2+ +10V TO –10V
VOLTAGE
16 C2– INVERTER
V– 17
0.1μF
+ 6.3V
+
0.1μF
0.1μF
+ 16V
T1IN
7
T1
2 T1OUT
TTL/CMOS
INPUTS1
T2IN
T3IN
6
20
T2
T3
3 T2OUT
RS-232
1 T3OUT OUTPUTS
T4IN
21
T4
28 T4OUT
R1OUT
8
R1 9 R1IN
R2OUT
TTL/CMOS
OUTPUTS
R3OUT
R4OUT
5
26
22
R2 4 R2IN
R3
27
R3IN
RS-232
INPUTS2
R4 23 R4IN
R5OUT
EN
19
24
R5 18
GND
10
ADM211
25
R5IN
SD
NOTES
1INTERNAL 400kΩ PULL-UP RESISTOR ON EACH TTL/CMOS INPUT.
2INTERNAL 5kΩ PULL-DOWN RESIST OR ON EACH RS-232 INPUT.
Figure 1.
control. Two receivers of the ADM213 remain active during
shutdown. This feature is useful for ring indicator monitoring.
All members of the ADM2xx family include two internal charge
pump voltage converters that allow operation from a single 5 V
supply. These parts convert the 5 V input power to the ±10 V
required for RS-232 output levels.
Table 1. Selection Table
Part
Number
Power Supply
Voltage
ADM206
ADM207
ADM208
ADM211
ADM213
5V
5V
5V
5V
5V
Number of RS-
232 Drivers
4
5
4
4
4
Number of
RS-232 Receivers
3
3
4
5
5
External
Capacitors
4
4
4
4
4
Low Power
Shutdown (SD)
Yes
No
No
Yes
Yes (SD)
TTL Three-
State EN
Yes
No
No
Yes
Yes (EN)
Number of Receivers
Active in Shutdown
0
0
0
0
2
Rev. D
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2011 Analog Devices, Inc. All rights reserved.

1 Page





ADM208 pdf, ピン配列
ADM206/ADM207/ADM208/ADM211/ADM213
SPECIFICATIONS
VCC = 5 V ± 10% (ADM206, ADM207, ADM208, ADM211, ADM213); C1–C4 = 0.1 μF ceramic. All specifications TMIN to TMAX, unless
otherwise noted.
Table 2.
Parameter
Output Voltage Swing
VCC Power Supply Current
Shutdown Supply Current
Input Logic Threshold Low, VINL
Input Logic Threshold High, VINH
Logic Pull-Up Current
RS-232 Input Voltage Range1
RS-232 Input Threshold Low
RS-232 Input Threshold High
RS-232 Input Hysteresis
RS-232 Input Resistance
TTL/CMOS Output Voltage Low, VOL
TTL/CMOS Output Voltage High, VOH
TTL/CMOS Output Leakage Current
Output Enable Time (TEN)
Output Disable Time (TDIS)
Propagation Delay
Transition Region Slew Rate
Output Resistance
RS-232 Output Short Circuit Current
Min Typ Max Unit Test Conditions/Comments
±5 ±9
V All transmitter outputs loaded with 3 kΩ to ground
5 13 mA No load
1 10 μA
0.8 V
TIN, EN, SD, EN, SD
2.0 V TIN, EN, SD, EN, SD
10 25 μA TIN = 0 V
–30 +30 V
0.8 1.25
V
1.9 2.4 V
0.65 V
3 5 7 kΩ TA = 0°C to 85°C
0.4 V
IOUT = 1.6 mA
3.5 V IOUT = –1.0 mA
0.05 ±10 μA EN = VCC, EN = 0 V, 0 V ≤ ROUT ≤ VCC
115 ns ADM206, ADM211 (Figure 22. CL = 150 pF)
165 ns ADM206, ADM211 (Figure 22. RL = 1 kΩ)
0.5 5
μs RS-232 to TTL
8 V/μs RL = 3 kΩ, CL = 2500 pF; measured from +3 V to –3 V or –3 V to +3 V
300 Ω VCC = V+ = V– = 0 V, VOUT= ± 2 V
±12 ±60 mA
1 Guaranteed by design.
Rev. D | Page 3 of 16


3Pages


ADM208 電子部品, 半導体
ADM206/ADM207/ADM208/ADM211/ADM213
T2OUT 1
24 T3OUT
T1OUT 2
23 R3IN
R2IN 3
22 R3OUT
R2OUT 4
21 T4IN
T1IN
R1OUT
R1IN
5 ADM208 20 T4OUT
6 TOP VIEW 19 T3IN
7 (Not to Scale) 18 T2IN
GND 8
17 R4OUT
VCC 9
16 R4IN
C1+ 10
15 V–
V+ 11
14 C2–
C1– 12
13 C2+
Figure 6. ADM208 PDIP/SOIC/SSOP Pin Configuration
5V INPUT
+
0.1μF
6.3V
+
0.1μF
16V
10 C1+
12 C1–
+5V TO +10V
VOLTAGE
DOUBLER
VCC 9
V+ 11
13 C2+ +10V TO –10V
VOLTAGE
14 C2– INVERTER
V– 15
0.1μF
+ 6.3V
+
0.1μF
0.1μF
+ 16V
T1IN
TTL/CMOS
INPUTS1
T2IN
T3IN
T4IN
R1OUT
TTL/CMOS
OUTPUTS
R2OUT
R3OUT
R4OUT
5
18
19
21
6
4
22
17
T1 2
T2 1
T3 24
T4 20
R1 7
R2 3
R3 23
R4 16
GND ADM208
8
T1OUT
T2OUT
T3OUT
RS-232
OUTPUTS
T4OUT
R1IN
R2IN
R3IN
RS-232
INPUTS2
R4IN
NOTES
1INTERNAL 400kΩ PULL-UP RESISTOR ON EACH TTL/CMOS INPUT.
2INTERNAL 5kΩ PULL-DOWN RESISTOR ON EACH RS-232 INPUT.
Figure 7. ADM208 Typical Operating Circuit
T3OUT 1
28 T4OUT
T1OUT 2
27 R3IN
T2OUT 3
26 R3OUT
R2IN 4
25 SD
R2OUT 5
24 EN
T2IN
T1IN
R1OUT
6 ADM211 23 R4IN
7 TOP VIEW 22 R4OUT
8 (Not to Scale) 21 T4IN
R1IN 9
20 T3IN
GND 10
19 R5OUT
VCC 11
18 R5IN
C1+ 12
17 V–
V+ 13
16 C2–
C1– 14
15 C2+
Figure 8. ADM211 SOIC/SSOP Pin Configuration
5V INPUT
+
0.1μF
16V
+
0.1μF
16V
12 C1+
14 C1–
+5V TO +10V
VOLTAGE
DOUBLER
VCC 11
V+ 13
15 C2+ +10V TO –10V
VOLTAGE
16 C2– INVERTER
V– 17
0.1μF
+ 6.3V
+
0.1μF
0.1μF
+ 16V
T1IN
7
T1
2 T1OUT
TTL/CMOS
INPUTS1
T2IN
T3IN
6
20
T2
T3
3 T2OUT
RS-232
1 T3OUT OUTPUTS
T4IN
21
T4
28 T4OUT
R1OUT
8
R1 9 R1IN
R2OUT
TTL/CMOS
OUTPUTS
R3OUT
R4OUT
5
26
22
R2 4 R2IN
R3
27
R3IN
RS-232
INPUTS2
R4 23 R4IN
R5OUT
19
R5 18 R5IN
EN 24
GND
10
ADM211
25
SD
NOTES
1INTERNAL 400kΩ PULL-UP RESISTOR ON EACH TTL/CMOS INPUT.
2INTERNAL 5kΩ PULL-DOWN RESISTOR ON EACH RS-232 INPUT.
Figure 9. ADM211 Typical Operating Circuit
Rev. D | Page 6 of 16

6 Page



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