MAX3238 Series
+3.0V to +5.5V, 1µA, Up to 250kbps, True RS-232 Transceiver with AutoShutdown Plus
Manufacturer: Texas Instruments
Catalog(16 parts)
| Part | Package / Case▲▼ | Package / Case | Package / Case▲▼ | Protocol | Type | Supplier Device Package | Mounting Type | Data Rate▲▼ | Receiver Hysteresis▲▼ | Duplex | Operating Temperature▲▼ | Operating Temperature▲▼ | Voltage - Supply▲▼ | Voltage - Supply▲▼ | Number of Drivers/Receivers▲▼ | Number of Drivers/Receivers▲▼ | Package / Case▲▼ | Qualification | Grade |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0.007493000011891127 m | 28-SOIC | 0.007499999832361937 m | RS232 | Transceiver | 28-SOIC | Surface Mount | 409600 bit/s | 0.30000001192092896 V | Full | -40 °C | 85 °C | 3 V | 5.5 V | 3 ul | 5 ul | ||||
28-SSOP | RS232 | Transceiver | 28-SSOP | Surface Mount | 409600 bit/s | 0.30000001192092896 V | Full | -40 °C | 85 °C | 3 V | 5.5 V | 3 ul | 5 ul | 0.0052999998442828655 m, 0.005308600142598152 m | |||||
0.004399999976158142 m | 28-TSSOP | RS232 | Transceiver | 28-TSSOP | Surface Mount | 409600 bit/s | 0.30000001192092896 V | Full | 0 °C | 70 °C | 3 V | 5.5 V | 3 ul | 5 ul | 0.004394200164824724 m | ||||
0.004399999976158142 m | 28-TSSOP | RS232 | Transceiver | 28-TSSOP | Surface Mount | 256000 bit/s | 0.30000001192092896 V | Full | -40 °C | 85 °C | 3 V | 5.5 V | 3 ul | 5 ul | 0.004394200164824724 m | AEC-Q100 | Automotive | ||
0.004399999976158142 m | 28-TSSOP | RS232 | Transceiver | 28-TSSOP | Surface Mount | 409600 bit/s | 0.30000001192092896 V | Full | 0 °C | 70 °C | 3 V | 5.5 V | 3 ul | 5 ul | 0.004394200164824724 m | ||||
0.004399999976158142 m | 28-TSSOP | RS232 | Transceiver | 28-TSSOP | Surface Mount | 256000 bit/s | 0.30000001192092896 V | Full | -40 °C | 85 °C | 3 V | 5.5 V | 3 ul | 5 ul | 0.004394200164824724 m | AEC-Q100 | Automotive | ||
28-SSOP | RS232 | Transceiver | 28-SSOP | Surface Mount | 256000 bit/s | 0.30000001192092896 V | Full | -40 °C | 85 °C | 3 V | 5.5 V | 3 ul | 5 ul | 0.0052999998442828655 m, 0.005308600142598152 m | AEC-Q100 | Automotive | |||
0.004399999976158142 m | 28-TSSOP | RS232 | Transceiver | 28-TSSOP | Surface Mount | 409600 bit/s | 0.30000001192092896 V | Full | -40 °C | 85 °C | 3 V | 5.5 V | 3 ul | 5 ul | 0.004394200164824724 m | ||||
28-SSOP | RS232 | Transceiver | 28-SSOP | Surface Mount | 409600 bit/s | 0.30000001192092896 V | Full | -40 °C | 85 °C | 3 V | 5.5 V | 3 ul | 5 ul | 0.0052999998442828655 m, 0.005308600142598152 m | |||||
0.004399999976158142 m | 28-TSSOP | RS232 | Transceiver | 28-TSSOP | Surface Mount | 409600 bit/s | 0.30000001192092896 V | Full | -40 °C | 85 °C | 3 V | 5.5 V | 3 ul | 5 ul | 0.004394200164824724 m | ||||
0.004399999976158142 m | 28-TSSOP | RS232 | Transceiver | 28-TSSOP | Surface Mount | 256000 bit/s | 0.30000001192092896 V | Full | 0 °C | 70 °C | 3 V | 5.5 V | 3 ul | 5 ul | 0.004394200164824724 m | ||||
0.004399999976158142 m | 28-TSSOP | RS232 | Transceiver | 28-TSSOP | Surface Mount | 256000 bit/s | 0.30000001192092896 V | Full | -40 °C | 85 °C | 3 V | 5.5 V | 3 ul | 5 ul | 0.004394200164824724 m | AEC-Q100 | Automotive | ||
0.004399999976158142 m | 28-TSSOP | RS232 | Transceiver | 28-TSSOP | Surface Mount | 256000 bit/s | 0.30000001192092896 V | Full | -40 °C | 85 °C | 3 V | 5.5 V | 3 ul | 5 ul | 0.004394200164824724 m | ||||
0.004399999976158142 m | 28-TSSOP | RS232 | Transceiver | 28-TSSOP | Surface Mount | 256000 bit/s | 0.30000001192092896 V | Full | -40 °C | 85 °C | 3 V | 5.5 V | 3 ul | 5 ul | 0.004394200164824724 m | ||||
28-SSOP | RS232 | Transceiver | 28-SSOP | Surface Mount | 409600 bit/s | 0.30000001192092896 V | Full | 0 °C | 70 °C | 3 V | 5.5 V | 3 ul | 5 ul | 0.0052999998442828655 m, 0.005308600142598152 m | |||||
0.004399999976158142 m | 28-TSSOP | RS232 | Transceiver | 28-TSSOP | Surface Mount | 256000 bit/s | 0.30000001192092896 V | Full | 0 °C | 70 °C | 3 V | 5.5 V | 3 ul | 5 ul | 0.004394200164824724 m |
Key Features
• 1µA Supply Current Achieved with AutoShutdown Plus
• Guaranteed Data Rate: 250kbps
• 1µA Low-Power Shutdown
• Receivers Active in AutoShutdown Plus Mode
• Flow-Through Pinout
• Meets EIA/TIA-232 Specifications Down to 3.0V
• Guaranteed 6V/µs Slew Rate
• Auto shutdown reduces supply current to 1uA
Description
AI
The MAX3238 true RS-232 transceiver achieves a 1µA supply current with Maxim's revolutionary AutoShutdown Plus™ feature. When the device does not sense a valid signal transition on either the receiver or transmitter inputs within 30sec, 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 inactive. The system turns on again when a valid transition is applied to any RS-232 receiver or transmitter input, saving power without changes to the existing BIOS or operating system.The MAX3238 5-driver/3-receiver complete serial port is a 3V-powered EIA/TIA-232 and V.28/V.24 communications interface intended for notebook or subnotebook computer applications. 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. A guaranteed data rate of 250kbps provides compatibility with popular software for communicating with personal computers. The MAX3238 requires only 0.1µF capacitors in 3.3V operation. It is ideal for 3.3V-only systems, mixed 3.3V and 5.0V systems, or 5V-only systems that require true RS-232 performance.Receiver R1 has an extra, always-active output (in addition to its standard output), which allows external devices, such as a modem, to be monitored without forward biasing the protection diodes in circuitry that may have VCCcompletely removed.The MAX3238 is available in a space-saving SSOP package.ApplicationsBattery-Powered ApplicationsHandheld EquipmentHigh-Speed ModemsNotebook, Subnotebook, and Palmtop ComputersPeripheralsPrinters