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PDF ADM3315E Data sheet ( Hoja de datos )
| Número de pieza | ADM3315E | |
| Descripción | 2.7V to 3.6V Serial Port Transceivers | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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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 400kΩ PULL-UP RESISTOR ON EACH CMOS INPUT.
2INTERNAL 5kΩ PULL-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 400kΩ PULL-UP RESISTOR ON EACH CMOS INPUT.
2INTERNAL 5kΩ PULL-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 400kΩ PULL-UP RESISTOR ON EACH CMOS INPUT.
2INTERNAL 5kΩ (22kΩ FOR 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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Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2002–2015 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
1 page  
Data Sheet
Parameter
Maximum Data Rate
ADM3307E
ADM3310E, ADM3311E, ADM3312E,
ADM3315E
Receiver Propagation Delay, TPHL, TPLH
Receiver Output Enable Time, tER
Receiver Output Disable Time, tDR
Transmitter Propagation Delay, TPHL, TPLH
Transition Region Slew Rate
ESD PROTECTION (I/O PINS)
1 Measured at +3 V to −3 V or −3 V to +3 V.
2 Includes CMOS I/O, SD, and EN for ADM3307E.
ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E
Min Typ Max Unit Test Conditions/Comments
250 720
460 920
250 460
kbps
kbps
kbps
RL = 3 kΩ to 7 kΩ, CL = 50 pF to 1000 pF, VCC = 2.7 V
RL = 3 kΩ to 7 kΩ, CL = 50 pF to 1000 pF, VCC = 3.0 V
RL = 3 kΩ to 7 kΩ, CL = 50 pF to 1000 pF, VCC = 3.0 V
0.3
0.17 1
100
µs CL = 150 pF
µs CL = 150 pF; ADM3307E only
ns
300 ns
500
3 18
±15
ns RL = 3 kΩ, CL = 1000 pF
V/µs RL = 3 kΩ, CL = 50 pF to 1000 pF1
kV Human body model
±15 kV IEC 1000-4-2 air discharge
±8 kV IEC 1000-4-2 contact discharge2
Rev. J | Page 5 of 20
5 Page 
Data Sheet
ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E
25
20
15
SD
10
5
0
0
200
400
600
800
1000
1200
LOAD CAPACITANCE (pF)
Figure 16. Supply Current vs. Load Capacitance (RL = Infinite)
(VCC = 3.3 V, Data Rate = 460 kbps)
30
28 460kbps
26
24
250kbps
22
20
125kbps
18
16
14
12
10
0 200 400 600 800 1000
LOAD CAPACITANCE (pF)
Figure 17. Supply Current vs. Load Capacitance (VCC = 3.3 V, RL = 5 kΩ)
SD
TX O/P
HIGH
Figure 18. Transmitter Output (High) Exiting Shutdown
TX O/P LOW
Figure 19. Transmitter Output (Low) Exiting Shutdown
10
8
6
4
2
0
–2
–4
–6
–8
–10
0
200 400 600 800
LOAD CAPACITANCE (pF)
1000
Figure 20. Transmitter Output Voltage High/Low vs. Load Capacitance
(VCC = 3.3 V, CLK = 1 Mb/s, RL = 5 kΩ, ADM3307E)
300
250
200
150
100
50
0
0 5 10 15
LOAD CURRENT (mA)
Figure 21. Oscillator Frequency vs. Load Current
20
Rev. J | Page 11 of 20
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet ADM3315E.PDF ] | |
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