Product Details
| General Description The MAX3221/MAX3223/MAX3243 achieve 1µA supply current with Maxim’s revolutionary AutoShutdown™ feature. When the MAX3221/MAX3223/MAX3243 do not sense a valid signal level on their receiver inputs, the on-board power supply and drivers shut down. This occurs if the RS-232 cable is disconnected or if the transmitters of the connected peripheral are turned off. The system turns on again when a valid level is applied to any RS-232 receiver input. The MAX3221/MAX3223/MAX3243 require only 0.1µF capacitors in 3.3V operation, and can operate from input voltages ranging from +3.0V to +5.5V. A proprietary, high-efficiency, dual charge-pump power supply and a low-dropout transmitter combine to deliver true RS-232 performance from a single +3.0V to +5.5V supply. The MAX3221 is a 1-driver/1-receiver 16-pin SSOP version of the 20-pin 2-driver/2-receiver MAX3223. The MAX3243 is a 3-driver/5-receiver with a complementary always-active receiver for external monitoring in a variety of 28 pin packages. Please see order information table for package offerings. Benefits and Features • Integrated Charge Pump Circuitry Simplifies Power Requirements • Eliminates the Need for a ±12 Supply • Operation From a Single +3.3V or +5V Supply • 1µA Supply Current in Shutdown Mode Saves Power • AutoShutdown Feature is Enabled After No Activity on Receiver Inputs for 30µs • Software Control Option for Shutdown Applications • Battery-Powered Equipment • Hand-Held Equipment • Peripherals • Portable Diagnostics Equipment |
Product Description
| TYPE | DESCRIPTION |
| ANSC PART# | ANSC- MAX3243IDW |
| Category | Integrated Circuits (ICs) |
| Interface | |
| Drivers, Receivers, Transceivers | |
| Manufacturer | Original |
| Series | - |
| Packaging | Tube |
| Part Status | Active |
| Type | Transceiver |
| Protocol | RS232 |
| Number of Drivers/Receivers | 3/5 |
| Duplex | Full |
| Receiver Hysteresis | 500 mV |
| Data Rate | 250kbps |
| Voltage - Supply | 3V ~ 5.5V |
| / | |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 28-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 28-SOIC |
| Base Product Number | MAX3243 |
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