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MFG:ADI D/C:09
Part Number: ADM3311E
MFG: ADI
D/C: 09
Description: The ADM33xxE line of driver/receiver products is designed to fully meet the EIA-232 standard while operating with a sin...
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ADM3311E
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DataSheet
General Description
ADM3311E General Description
The ADM33xxE line of driver/receiver products is designed to fully meet the EIA-232 standard while operating with a single 2.7 V to 3.6 V power supply. The devices feature an on-board charge pump dc-to-dc converter, eliminating the need for dual power supplies. This dc-to-dc converter contains a voltage tripler and a voltage inverter that internally generates positive and negative supplies from the input 3 V power supply. The dcto- dc converter operates in Green Idle mode, whereby the charge pump oscillator is gated ON and OFF to maintain the output voltage at ±7.25 V under varying load conditions. This minimizes the power consumption and makes these products ideal for battery-powered portable devices.
The ADM33xxE devices are suitable for operation in harsh electrical environments and contain ESD protection up to ±15 kV on their RS-232 lines (ADM3310E, ADM3311E, ADM3312E, and ADM3315E). The ADM3307E contains ESD protection up to ±15 kV on all I/O lines (CMOS, RS-232, EN, and SD).
A shutdown facility that reduces the power consumption to 66 nW is also provided. While in shutdown, one receiver remains active (two receivers active with ADM3310E), thereby allowing monitoring of peripheral devices. This feature allows the device to be shut down until a peripheral device begins communication. The active receiver can alert the processor, which can then take the ADM33xxE device out of the shutdown mode.
The ADM3307E contains five drivers and three receivers and is intended for mobile phone data lump cables and portable computing applications.
The ADM3311E contains three drivers and five receivers and is intended for serial port applications on notebook/laptop computers. The ADM3310E is a low current version of the ADM3311E. This device also allows two receivers to be active in shutdown mode. The ADM3312E contains three drivers and three receivers and is intended for serial port applications, PDAs, mobile phone data lump cables, and other hand-held devices.
The ADM3315E is a low current version of the ADM3312E, with a 22 kW receiver input resistance that reduces the drive requirements of the DTE. Its main applications are PDAs, palmtop computers, and mobile phone data lump cables. The ADM33xxE devices are fabricated using CMOS technology for minimal power consumption. All parts feature a high level of overvoltage protection and latch-up immunity. All ADM33xxE devices are available in a 32-lead 5 mm ¥ 5 mm LFCSP package and in a TSSOP package (ADM3307E, ADM3310E, and ADM3311E in a 28-lead TSSOP; ADM3312E and ADM3315E in a 24-lead TSSOP). The ADM3311E also comes in a 28-lead SSOP package.
The ADM33xxE devices are ruggedized RS-232 line drivers/ receivers that operate from a single supply of 2.7 V to 3.6 V. Step-up voltage converters coupled with level shifting transmitters and receivers allow RS-232 levels to be developed while operating from a single supply. Features include low power consumption, Green Idle operation, high transmission rates, and compatibility with the EU directive on electromagnetic compatibility. This EM compatibility directive includes protection against radiated and conducted interference, including high levels of electrostatic discharge.
All RS-232 (and CMOS, SD, and EN for ADM3307E) inputs and outputs are protected against electrostatic discharges (up to ±15 kV). This ensures compliance with IEC 1000-4-2 requirements. These devices are ideally suited for operation in electrically harsh environments or where RS-232 cables are frequently being plugged/unplugged. They are also immune to high RF field strengths without special shielding precautions.
Emissions are also controlled to within very strict limits. CMOS technology is used to keep the power dissipation to an absolute minimum, allowing maximum battery life in portable applications.
ADM3311E Maximum Ratings
VCC . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +4 V
V+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . (VCC 0.3 V) to +9 V
V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +0.3 V to 9 V
Input Voltages
TIN . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . 0.3 V to +6 V
RIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±30 V
Output Voltages
TOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . ±15 V
ROUT . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to (VCC + 0.3 V)
Short Circuit Duration
TOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
Thermal Impedance, qJA
CP-32 LFCSP . . . . . . . . . . . . . . . . . . . . . . . .. . . . . 32.5/W
RU-28 TSSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68.0/W
RU-24 TSSOP . . . . . . . . . . . . . . . . . . . . . . . . .. . . . 68.0/W
RS-28 SSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76.0/W
Operating Temperature Range
Industrial (A Version) . . . . . . . . . . . . . . . . .. 40 to +85
Storage Temperature Range . . . . . . . . . . . 65 to +150
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . . 300
ESD Rating (IEC 1000-4-2 Air) (RS-232 I/Os) . . . . . . . ±15 kV
ESD Rating (IEC 1000-4-2 Contact) (RS-232 I/Os) . . . .±8 kV
V+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . (VCC 0.3 V) to +9 V
V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +0.3 V to 9 V
Input Voltages
TIN . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . 0.3 V to +6 V
RIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±30 V
Output Voltages
TOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . ±15 V
ROUT . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to (VCC + 0.3 V)
Short Circuit Duration
TOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
Thermal Impedance, qJA
CP-32 LFCSP . . . . . . . . . . . . . . . . . . . . . . . .. . . . . 32.5/W
RU-28 TSSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68.0/W
RU-24 TSSOP . . . . . . . . . . . . . . . . . . . . . . . . .. . . . 68.0/W
RS-28 SSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76.0/W
Operating Temperature Range
Industrial (A Version) . . . . . . . . . . . . . . . . .. 40 to +85
Storage Temperature Range . . . . . . . . . . . 65 to +150
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . . 300
ESD Rating (IEC 1000-4-2 Air) (RS-232 I/Os) . . . . . . . ±15 kV
ESD Rating (IEC 1000-4-2 Contact) (RS-232 I/Os) . . . .±8 kV
ADM3311E 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 kbits/s Data Rate
`1 Receiver Active in Shutdown (2 for ADM3310E)
`ESD >15 kV IEC 1000-4-2 on RS-232 I/Os (ADM33xxE)
`ESD >15 kV IEC 1000-4-2 on CMOS and RS-232 I/Os (ADM3307E)
`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 kbits/s Data Rate
`1 Receiver Active in Shutdown (2 for ADM3310E)
`ESD >15 kV IEC 1000-4-2 on RS-232 I/Os (ADM33xxE)
`ESD >15 kV IEC 1000-4-2 on CMOS and RS-232 I/Os (ADM3307E)
ADM3311E Typical Application
·Mobile Phone Handsets/Data Cables
·Laptop and Notebook Computers
·Printers
·Peripherals
·Modems
·PDAs/Hand-Held Devices/Palmtop Computers
·Laptop and Notebook Computers
·Printers
·Peripherals
·Modems
·PDAs/Hand-Held Devices/Palmtop Computers
ADM3311E Connection Diagram
ADM3311E
PDF/DataSheet Download
- Datasheet: ADM3311E
- File Size: 184931 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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