420M31610
محصول جدید
ترانسیور چند پروتکوله RS-232/RS-485/422
MAX3161EAG +3.0V to+5.5V, 1μA, RS-232/RS-485/422 Multiprotocol Transceivers
Manufacture Part Number: MAX3161EAG
PARS Part Number: 420M31610
Package: 24 SSOP
Manufacture Company: Maxim Integrated
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General Description
The MAX3160/MAX3161/MAX3162 are programmable +3V to +5.5V RS-232/RS-485/422 multiprotocol transceivers.
The MAX3160/MAX3161 are pin programmable as a 2TX/2RX RS-232 interface or a single RS-485/422 transceiver. The MAX3162 is configured as a 2TX/2RX RS-232 interface and a single RS-485/422 transceiver simultaneously.
All devices incorporate a proprietary low-dropout transmitter output stage and an on-board dual charge pump to allow RS-232 and RS-485/422 compliant performance from a +3V to +5.5V supply. These devices also feature pin-selectable transmitter slew rates for both RS-232 and RS-485/422 modes. Slew-rate limiting minimizes EMI and reduces reflections caused by improperly terminated cables, allowing error-free data transmission up to 250kbps. Disabling slew-rate limiting allows these devices to transmit at data rates up to 10Mbps in RS-485/422 mode and up to 1Mbps in RS- 232 mode.
The MAX3160/MAX3162 offer a flow-through pinout that facilitates board layout. The MAX3160/MAX3161/MAX3162 are available in tiny SSOP packages and operate from -40°C to +85°C.
Applications
Point-of-Sales Equipment
Peripherals
Industrial Controls
Networking
RS-232 to RS-485
Interface Converters
Benefits and Features
• Flexible Options for RS-232 and RS-422/485 Operation in One Package
• Simultaneous 2TX/2RX RS-232 and Half-Duplex RS-485 Transceiver Operation (MAX3162)
• Pin-Programmable as Either 2TX/2RX RS-232 or Half/Full RS-485 Transceiver (MAX3160, MAX3161)
• Integrated Protection Increases Robustness
• Transmitters and Receivers Protected Against Wiring Faults
• True Fail-Safe Receiver Prevents False Transition on Receiver Input Short or Open
• Short-Circuit Protection Over the Entire Common- Mode Voltage Range
• Thermal Protection from Excessive Power Dissipation
• Slew Rate Limiting Minimizes EM and Reduces Cable Reflections
• Integrated Charge-Pump Circuitry Saves Board Space
• Eliminates the Need for a Bipolar ±12V Supply
• Enables Single-Supply Operation From +3V to +5.5V Voltage Supply
• 1μA Shutdown Supply Current Saves Power
• Allows Up to 256 Transceivers on the Bus