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MAX3188E, MAX3189E
±15kV ESD-Protected, 1Mbps, 1µA RS-232 Transmitters in SOT23-6
Industry's First ±15kV ESD-Protected RS-232 Transmitters in a SOT Package
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Status
Active: In Production.
Description
The MAX3188E/MAX3189E single RS-232 transmitters in a SOT23-6 package are for space- and cost-constrained applications requiring minimal RS-232 communications. These devices consume only 150µA of supply current from ±4.5V to ±6V supplies. They feature a shutdown input that reduces current consumption to only 1µA and forces the transmitter output into a high-impedance state. RS-232 data transmission is guaranteed up to 250kbps with the MAX3188E and up to 1Mbps with the MAX3189E.
The MAX3188E/MAX3189E are EIA/TIA-232 transmitters that convert CMOS/TTL logic levels to RS-232-compliant signals. The transmitter output is protected to ±15kV using the IEC 1000-4-2 Air-Gap Discharge method, to ±8kV using the IEC 1000-4-2 Contact Discharge method, and to ±15kV per the Human Body Model, ensuring strict compliance with international standards. The MAX3188E/MAX3189E transmitters have a standard inverting output.
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Data Sheet
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Key Features
- Small 6-Pin SOT23 Package
- ESD-Protected RS-232 Output
- ±15kV per Human Body Model
- ±8kV per IEC 1000-4-2, Contact Discharge
- ±15kV per IEC 1000-4-2, Air-Gap Discharge
- 150µA Operating Supply Current
- Shutdown Reduces Supply Current to 1µA
- Guaranteed Data Rate
- 1Mbps (MAX3189E)
- 250kbps (MAX3188E)
- Three-State RS-232 Transmitter Output
- No External Components
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Applications/Uses
- Diagnostic Ports
- Digital Still Cameras
- Handheld Equipment
- Network Equipment
- Set-Top Boxes
- Telecommunications
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Key Specifications:
| RS-232 Line Driver/Receivers |
| Part Number |
VSUPPLY (Dual)
(±V) |
Tx |
Rx |
Data Rate
(kbps) |
ICC
(mA) |
Internal Charge Pump |
Ext. Caps |
ESD Protect.
(±kV) |
Package/Pins |
Budgetary Price |
| Dual |
min |
typ |
See Notes |
| MAX3188E |
5 |
1 |
0 |
250 |
0.144 |
No |
0 |
15 |
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$0.75 @1k |
| MAX3189E |
1000 |
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$0.75 @1k |
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See All RS-232 Line Driver/Receivers (152)
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Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
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Diagram
 Typical Operating Circuit
Notes and Comments
250kbps Data Rate (MAX3188E)
1Mbps Data Rate (MAX3189E)
More Information
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Information Index
Document Ref.: 19-1604
Rev 1;
2001-01-10
This page last modified: 2007-07-23
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