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| 型号： | ADM3311EARS-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/24页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS-232 3:5 2.7V 28SSOP |
| 标准包装： | 1 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 3/5 |
| 规程： | RS232 |
| 电源电压： | 2.7 V ~ 3.6 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 标准包装 |
| 其它名称： | ADM3311EARSREEDKR |
15 kV ESD Protected, 2.7 V to 3.6 V Serial
Port Transceivers with Green Idle
Data Sheet
Rev. I
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.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
2013 Analog Devices, Inc. All rights reserved.
FEATURES
Green Idle power-saving mode
Single 2.7 V to 3.6 V power supply
Operates with 3 V logic
0.1 F to 1 F 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
FUNCTIONAL BLOCK DIAGRAMS
VCC
R1OUT
T5IN
T4IN
T1IN
T1OUT
T3IN
T2IN
ADM3307E
SD
V+
C1+
C1–
C2–
V–
C3+
VCC
GND
C2
C3–
C2+
C1
0.1F
R2OUT
R3OUT
T2OUT
T3OUT
T4OUT
T5OUT
R1IN
R2IN
R3IN
0.1F
CERAMIC
10F
TANTALUM
+
C4
0.1F
SHUTDOWN
INPUT
ENABLE
INPUT
CMOS
INPUTS1
CMOS
OUTPUTS
EN
VOLTAGE
TRIPLER/
INVERTER
+3V TO ±9V
C3
0.1F
C5
0.1F
EIA/TIA-232
OUTPUTS
EIA/TIA-232
INPUTS2
T1
T3
T2
T5
T4
R3
R1
R2
1INTERNAL 400k
PULL-UP RESISTOR ON EACH CMOS INPUT.
2INTERNAL 5k
PULL-DOWN RESISTOR ON EACH RS-232 INPUT.
02915-
001
Figure 1. ADM3307E Functional Block Diagram
VCC
T1IN
T1OUT
T3IN
T2IN
ADM3310E/
ADM3311E
C1+
V+
C3–
C2–
VCC
C1–
GND
C2+
SD
V–
C3+
C1
0.1F
T2OUT
T3OUT
0.1F
CERAMIC
10F
TANTALUM
+
C4
0.1F
C2
0.1F
ENABLE
INPUT
SHUTDOWN
INPUT
CMOS
INPUTS1
CMOS
OUTPUTS
EN
VOLTAGE
TRIPLER/
INVERTER
+3V TO ±9V
C3
0.1F
C5
0.1F
EIA/TIA-232
OUTPUTS
EIA/TIA-232
INPUTS2
R1OUT
R1IN
R1
R3OUT
R3IN
R3
R2OUT
R2IN
R2
R5OUT
R5IN
R5
R4OUT
R4IN
R4
T3
T1
T2
1INTERNAL 400k
PULL-UP RESISTOR ON EACH CMOS INPUT.
2INTERNAL 5k
PULL-DOWN RESISTOR ON EACH RS-232 INPUT.
02915-
002
VCC
T1IN
T1OUT
T3IN
T2IN
ADM3312E/
ADM3315E
C1+
V+
C3–
C2–
VCC
C1–
GND
C2+
SD
V–
C3+
C1
0.1F
T2OUT
T3OUT
0.1F
CERAMIC
10F
TANTALUM
+
C4
0.1F
C2
0.1F
ENABLE
INPUT
SHUTDOWN
INPUT
CMOS
INPUTS1
EN
VOLTAGE
TRIPLER/
INVERTER
+3V TO ±9V
C3
0.1F
C5
0.1F
CMOS
OUTPUTS
EIA/TIA-232
OUTPUTS
EIA/TIA-232
INPUTS2
R1OUT
R1IN
R3OUT
R3IN
R2OUT
R2IN
R1
R3
R2
T3
T1
T2
1INTERNAL 400k
PULL-UP RESISTOR ON EACH CMOS INPUT.
2INTERNAL 5k
(22k FOR ADM3315E) PULL-DOWN RESISTOR ON
EACH RS-232 INPUT.
02915-
003
Figure 2. ADM3310E/ADM3311E Functional Block Diagram
Figure 3. ADM3312E/ADM3315E Functional Block Diagram
1
Protected by U.S. Patent No. 5,606,491.
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