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ADM3101E 데이터시트 PDF




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부품번호 ADM3101E 기능
기능 Single Channel RS-232 Line Driver / Receiver
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ADM3101E 데이터시트, 핀배열, 회로
Data Sheet
FEATURES
460 kbps data rate
1 Tx and 1 Rx
Meets EIA/TIA-232E specifications
0.1 μF charge pump capacitors
Contact discharge: ±8 kV
Air gap discharge: ±15 kV
APPLICATIONS
General-purpose RS-232 data links
Industrial/telecommunications diagnostics ports
±15 kV ESD Protected, 3.3 V Single-
Channel RS-232 Line Driver/Receiver
ADM3101E
FUNCTIONAL BLOCK DIAGRAM
+3.3V INPUT
C1
0.1µF
+
16V
C1+
+3.3V TO +6.6V
VCC
VOLTAGE DOUBLER
C1– V+
C2
0.1µF
+
16V
C2+
+6.6V TO –6.6V
VOLTAGE INVERTER
C2–
V–
CMOS TIN
INPUT
CMOS
OUTPUT
ROUT
T
ADM3101E
R
TOUT
RIN
GND
+
C3
0.1µF
6.3V
+ C5
0.1µF
+
C4
0.1µF
16V
EIA/TIA-232E
OUTPUT
EIA/TIA-232E
INPUT*
GENERAL DESCRIPTION
The ADM3101E is a high speed, single-channel, RS-232/
ITU-T V.28 transceiver interface device that operates from
a single 3.3 V power supply. Low power consumption makes
it ideal for battery-powered portable instruments.
The ADM3101E conforms to the EIA/TIA-232E and ITU-T V.28
specifications and operates at data rates of up to 460 kbps.
All RS-232 (TOUT and RIN) and CMOS (TIN and ROUT) inputs
and outputs are protected against electrostatic discharges (up
to ±15 kV ESD protection).
*INTERNAL 5kPULL-DOWN
RESISTOR ON THE RS-232 INPUT.
Figure 1.
Because of the ±15 kV ESD protection of the ADM3101E
input/output pins, this device is ideally suited for operation
in electrically harsh environments or where RS-232 cables are
frequently plugged and unplugged.
Four external 0.1 μF charge pump capacitors are used for the
voltage doubler/inverter permitting operation from a single
3.3 V supply.
The ADM3101E is available in both a 12-lead LFCSP and 16-lead
QSOP, specified over the −40°C to +85°C temperature range.
Rev. D
Document Feedback
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 ©2007–2015 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com




ADM3101E pdf, 반도체, 판매, 대치품
Data Sheet
ADM3101E
SPECIFICATIONS
VCC = 3.3 V ± 0.3 V, C1 to C4 = 0.1 μF, −40°C ≤ TA ≤ +85°C, unless otherwise noted.
Table 1.
Parameter
DC CHARACTERISTICS
Operating Voltage Range
Power Supply Current, VCC
LOGIC
Input Logic Threshold Low, VINL
Input Logic Threshold High, VINH
Input Logic Threshold Low, VINL
Input Logic Threshold High, VINH
CMOS Output Voltage Low, VOL
CMOS Output Voltage High, VOH
Logic Pull-Up Current
RS-232 RECEIVER
EIA/TIA-232E Input Voltage Range1
EIA/TIA-232E Input Threshold Low
EIA/TIA-232E Input Threshold High
EIA/TIA-232E Input Hysteresis
EIA/TIA-232E Input Resistance
TRANSMITTER
Output Voltage Swing
RS-232
RS-562
Transmitter Output Resistance
RS-232 Output Short-Circuit Current
TIMING CHARACTERISTICS
Maximum Data Rate
Receiver Propagation Delay
tPHL
tPLH
Transmitter Propagation Delay
Transmitter Skew
Receiver Skew
Transition Region Slew Rate
ESD PROTECTION
RS-232 and CMOS I/O Pins
Test Conditions/Comments
No load
RL = 3 kΩ to GND
TIN
TIN
TIN, VCC = 5.0 V ± 0.5 V
TIN, VCC = 5.0 V ± 0.5 V
IOUT = 1.6 mA
IOUT = 1 mA
TIN = GND to VCC
VCC = 3.0 V to 5.5 V
Min
3.0
1.4
2.0
VCC − 0.6
−30
0.6
3
VCC = 3.3 V to 5.5 V; transmitter output loaded
with 3 kΩ to ground
VCC = 3.0 V
VCC = 0 V, VOUT = ±2 V1
±5.0
±4.5
300
VCC = 3.3 V, RL = 3 kΩ to 7 kΩ, CL = 50 pF to 1000 pF 460
RL = 3 kΩ, CL = 1000 pF
+3 V to −3 V or 3 V to +3 V, VCC = +3.3 V,
RL = 3 kΩ, CL = 1000 pF, TA = 25°C1
Human body model air discharge
Human body model contact discharge
5.5
1 Guaranteed by design.
Typ Max Unit
3.3 5.5 V
1.5 2.6 mA
5 7 mA
0.6 V
V
0.8 V
V
0.4 V
V
5 12 μA
+30 V
1.3 V
1.6 2.4 V
0.4 V
5 7 kΩ
±5.7
±15
0.4
0.4
600
80
70
10 30
V
V
Ω
mA
kbps
μs
μs
ns
ns
ns
V/μs
±15 kV
±8 kV
Rev. D | Page 3 of 12

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ADM3101E 전자부품, 판매, 대치품
ADM3101E
TYPICAL PERFORMANCE CHARACTERISTICS
8
6
Tx OUTPUT HIGH
4
VCC = 3.3V
2
0
–2
–4
Tx OUTPUT LOW
–6
–8
0 200 400 600 800
LOAD CAPACITANCE (pF)
Figure 4. Transmitter Output Voltage High/Low vs.
Load Capacitance @ 460 kbps
1000
15
10
Tx OUTPUT HIGH
5
0
–5
Tx OUTPUT LOW
–10
–15
3456
VCC (V)
Figure 5. Transmitter Output Voltage High/Low vs. VCC, RL = 3 kΩ
8
VCC = 3.3V
6
Tx OUTPUT HIGH
4
2
0
–2
–4
Tx OUTPUT LOW
–6
–8
01234
LOAD CURRENT (mA)
Figure 6. Transmitter Output Voltage High/Low vs. Load Current
Data Sheet
8
6
V+
4
VCC = 3.3V
2
0
–2
–4
V–
–6
–8
0123
LOAD CURRENT (mA)
Figure 7. Charge Pump V+, V− vs. Load Current
4
350
300
V–
250
200
V+
150
100
50
0
345
VCC (V)
Figure 8. Charge Pump Impedance vs. VCC
6
14
VCC = 3.3V
12
10
8
6
4
2
0
0 200 400 600 800 1000
LOAD CAPACITANCE (pF)
Figure 9. Power Supply Current vs. Load Capacitance
Rev. D | Page 6 of 12

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ADM3101E

Single Channel RS-232 Line Driver / Receiver

Analog Devices
Analog Devices

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