MFG:MAXIM Package Cooled:SSOP D/C:8
MFG: MAXIM
Package Cooled: SSOP
D/C: 8
Description: The MAX3221E/MAX3223E/MAX3243E are 3V-powered EIA/TIA-232 and V.28/V.24 communications interfaces with...
The MAX3221E/MAX3223E/MAX3243E are 3V-powered EIA/TIA-232 and V.28/V.24 communications interfaces with automatic shutdown/wakeup features, high datarate capabilities, and enhanced electrostatic discharge (ESD) protection. All transmitter outputs and receiver inputs are protected to ±15kV using IEC 1000-4-2 Air- Gap Discharge, to ±8kV using IEC 1000-4-2 Contact Discharge, and to ±15kV using the Human Body Model.
The MAX3221E/MAX3223E/MAX3243E achieve a 1A supply current with Maxim's revolutionary AutoShutdown™ feature. They save power without changes to the existing BIOS or operating system by entering low-power shutdown mode when the RS-232 cable is disconnected, or when the transmitters of the connected peripherals are off.
The transceivers have a proprietary low-dropout transmitter output stage, delivering true RS-232 performance from a +3.0V to +5.5V supply with a dual charge pump. The charge pump requires only four small 0.1F capacitors for operation from a +3.3V supply. Each device is guaranteed to run at data rates of 250kbps while maintaining RS-232 output levels.
The MAX3221E contains just one driver and one receiver, making it the smallest single-supply RS-232 transceiver. The MAX3223E has two drivers and two receivers. The MAX3243E is a complete 3-driver/5-receiver serial port ideal for notebook or subnotebook computers. It also includes two noninverting receiver outputs that are always active, allowing external devices to be monitored without forward biasing the protection diodes in circuitry that may be powered down.
The MAX3221E, MAX3223E, and MAX3243E are available in space-saving TQFN, SSOP, and TSSOP packages.
VCC to GND...............................................................-0.3V to +6V
V+ to GND (Note 1) ..................................................-0.3V to +7V
V- to GND (Note 1) ...................................................+0.3V to -7V
V+ + |V-| (Note 1) ...............................................................+13V
Input Voltages
T_IN, EN, FORCEON,FORCEOFF to GND ....................-0.3V to +6V
R_IN to GND .......................................................................±25V
Output Voltages
T_OUT to GND...................................................................±13.2V
R_OUT, R2OUTB, INVALID to GND.................-0.3V to (VCC + 0.3V)
Short-Circuit Duration
T_OUT to GND ............................................................Continuous
Continuous Power Dissipation (TA = +70°C)
16-Pin SSOP (derate 7.14mW/°C above +70°C) ...........571mW
16-Pin TSSOP (derate 9.4mW/°C above +70°C) ........754.7mW
16-Pin TQFN (derate 20.8mW/°C above +70°C) ......1666.7mW
20-Pin Plastic DIP (derate 11.11mW/°C above +70°C)..889mW
20-Pin SSOP (derate 8.00mW/°C above +70°C) ...........640mW
20-Pin TSSOP (derate 10.9mW/°C above +70°C) .........879mW
20-Pin TQFN (derate 21.3mW/°C above +70°C) ......1702.1mW
28-Pin SSOP (derate 9.52mW/°C above +70°C)............762mW
28-Pin TSSOP (derate 12.8mW/°C above +70°C) .......1026mW
Operating Temperature Ranges
MAX32_ _EC_ _ ...................................................0°C to +70°C
MAX32_ _EE_ _.................................................-40°C to +85°C
Storage Temperature Range ..........................-65°C to +160°C
Lead Temperature (soldering, 10s) ................................+300°C
Note 1: V+ and V- can have maximum magnitudes of 7V, but their absolute difference cannot exceed 13V.
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
MAX3223E
PDF/DataSheet Download
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