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ADM3307E Schematic ( PDF Datasheet ) - Analog Devices

Teilenummer ADM3307E
Beschreibung 2.7V to 3.6V Serial Port Transceivers
Hersteller Analog Devices
Logo Analog Devices Logo 




Gesamt 20 Seiten
ADM3307E Datasheet, Funktion
Data Sheet
15 kV ESD Protected, 2.7 V to 3.6 V Serial
Port Transceivers with Green Idle
ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E1
FEATURES
Green Idle power-saving mode
Single 2.7 V to 3.6 V power supply
Operates with 3 V logic
0.1 µF to 1 µF charge pump capacitors
Low EMI
Low power shutdown: 20 nA
Full RS-232 compliance
460 kb/s data rate
One receiver active in shutdown
(ADM3307E/ADM3311E/ADM3312E/ADM3315E)
Two receivers active in shutdown (ADM3310E)
ESD >15 kV IEC 1000-4-2 on RS-232 I/Os
ESD >15 kV IEC 1000-4-2 on CMOS and RS-232 I/Os
(ADM3307E)
Qualified for automotive applications
APPLICATIONS
Mobile phone handsets/data cables
Laptop and notebook computers
Printers
Peripherals
Modems
PDAs/Hand-Held Devices/Palmtop Computers
C4
0.1µF
0.1µF
VCC CERAMIC
+
10µF
TANTALUM
C2
0.1µF
ENABLE
INPUT
CMOS
INPUTS1
T1IN
T2IN
T3IN
R1OUT
CMOS
OUTPUTS
R2OUT
R3OUT
R4OUT
R5OUT
C1
0.1µF
V+ VOLTAGE C3+
TRIPLER/
C2+ INVERTER GND
+3V TO ±9V
VCC C3–
C2– V–
EN C1–
C1+ SD
T1
T2
T3
R1
R2
R3
R4
R5
ADM3310E/
ADM3311E
C3
0.1µF
C5
0.1µF
SHUTDOWN
INPUT
T1OUT
T2OUT
EIA/TIA-232
OUTPUTS
T3OUT
R1IN
R2IN
R3IN
R4IN
EIA/TIA-232
INPUTS2
R5IN
1INTERNAL 400kPULL-UP RESISTOR ON EACH CMOS INPUT.
2INTERNAL 5kPULL-DOWN RESISTOR ON EACH RS-232 INPUT.
Figure 2. ADM3310E/ADM3311E Functional Block Diagram
FUNCTIONAL BLOCK DIAGRAMS
0.1µF
VCC CERAMIC
+
10µF
TANTALUM
ENABLE
INPUT
C4
0.1µF
SHUTDOWN
INPUT
T1IN
CMOS
INPUTS1
T2IN
T3IN
T4IN
T5IN
CMOS
OUTPUTS
R1OUT
R2OUT
R3OUT
C1
0.1µF C2
0.1µF
V+ VOLTAGE C2+
TRIPLER/
VCC INVERTER C3+
+3V TO ±9V
C2– C1+
C1– C3–
EN V–
SD GND
T1
T2
T3
T4
T5
R1
R2
R3
C3
0.1µF
C5
0.1µF
T1OUT
T2OUT
T3OUT
T4OUT
EIA/TIA-232
OUTPUTS
T5OUT
R1IN
R2IN
EIA/TIA-232
INPUTS2
R3IN
ADM3307E
1INTERNAL 400kPULL-UP RESISTOR ON EACH CMOS INPUT.
2INTERNAL 5kPULL-DOWN RESISTOR ON EACH RS-232 INPUT.
Figure 1. ADM3307E Functional Block Diagram
C4
0.1µF
0.1µF
VCC CERAMIC
+
10µF
TANTALUM
C2
0.1µF
ENABLE
INPUT
CMOS
INPUTS1
T1IN
T2IN
T3IN
CMOS
OUTPUTS
R1OUT
R2OUT
R3OUT
C1
0.1µF
V+ VOLTAGE C3+
TRIPLER/
C2+ INVERTER GND
+3V TO ±9V
VCC C3–
C2– V–
EN C1–
C1+ SD
T1
T2
T3
R1
R2
R3
ADM3312E/
ADM3315E
C3
0.1µF
C5
0.1µF
SHUTDOWN
INPUT
T1OUT
T2OUT
EIA/TIA-232
OUTPUTS
T3OUT
R1IN
R2IN
R3IN
EIA/TIA-232
INPUTS2
1INTERNAL 400kPULL-UP RESISTOR ON EACH CMOS INPUT.
2INTERNAL 5k(22kFOR ADM3315E) PULL-DOWN RESISTOR ON
EACH RS-232 INPUT.
Figure 3. ADM3312E/ADM3315E Functional Block Diagram
1 Protected by U.S. Patent No. 5,606,491.
Rev. J
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rights of third parties that may result from its use. Specifications subject to change without notice. No
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Tel: 781.329.4700 ©2002–2015 Analog Devices, Inc. All rights reserved.
Technical Support
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ADM3307E Datasheet, Funktion
ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E
Data Sheet
ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted.
Table 2
Parameter
VCC
V+
V−
Input Voltages
TIN
RIN
Output Voltages
TOUT
ROUT
Short-Circuit Duration
TOUT
Thermal Impedance, θJA
LFCSP_WQ (CP-32-7)
TSSOP (RU-28)
TSSOP (RU-24)
SSOP (RS-28)
Operating Temperature Range
Industrial (A Version)
Storage Temperature Range
Lead Temperature (Soldering, 10 sec)
ESD Rating (IEC 1000-4-2 Air)
(RS-232 I/Os)
ESD Rating (IEC 1000-4-2 Contact)
(RS-232 I/Os)
Rating
−0.3 V to +4 V
(VCC − 0.3 V) to +9 V
+0.3 V to −9 V
−0.3 V to +6 V
±30 V
±15 V
−0.3 V to (VCC + 0.3 V)
Continuous
32.5°C/W
68.0°C/W
68.0°C/W
76.0°C/W
−40°C to +85°C
−65°C to +150°C
300°C
±15 kV
±8 kV
Stresses at or above those listed under Absolute Maximum
Ratings may cause permanent damage to the product. This is a
stress rating only; functional operation of the product at these
or any other conditions above those indicated in the operational
section of this specification is not implied. Operation beyond
the maximum operating conditions for extended periods may
affect product reliability.
ESD CAUTION
Rev. J | Page 6 of 20

6 Page









ADM3307E pdf, datenblatt
ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E
Data Sheet
600
500
400
300
200
100
0
2.6
2.8 3.0 3.2 3.4
VCC (V)
Figure 22. ICC vs. VCC (Unloaded)
3.6
25
20
15
10
5
0
2.6 2.8 3.0 3.2 3.4 3.6
VCC (V)
Figure 23. ICC vs. VCC (RL = 3 kΩ)
Rev. J | Page 12 of 20

12 Page





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