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MAX322X, MAX323, MAX3232

Table of contents:
Info of MAX322X
Info of MAX323
Info of MAX3232

MAX322X, MAX323, MAX3232 Selling Leads, Datasheet

MFG:TI Package Cooled:SSOP-16 D/C:09+

MAX322X, MAX323, MAX3232 Datasheet download

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Part Number: MAX322X

MFG: TI

Package Cooled: SSOP-16

D/C: 09+

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MAX323 General Description

The MAX323/MAX324/MAX325 are precision, dual,SPST analog switches. They are single-supply devices designed to operate from +2.7V to +16V. The MAX323 has two normally open (NO) switches, and the MAX324 has two normally closed (NC) switches. The MAX325 has one NO and one NC switch. Low power consumption (5W) makes these parts ideal for battery-powered equipment. These switches offer low leakage currents (100pA max) and fast switching speeds (tON = 150ns max, tOFF = 100ns max).

When powered from a 5V supply, the MAX323 series offers 2 max matching between channels, 60 max on-resistance, and 6 max RON flatness.

MAX323 Maximum Ratings

Voltage Referenced to GND
V+.......................................................................-0.3V to +17V
IN_, COM_, NC_, NO_ (Note 1)..................-0.3V to (V+ + 0.3V)
Continuous Current (any terminal) .................................30mA
Peak Current, COM_, NO_, NC_
(pulsed at 1ms, 10% duty cycle max) ............................100mA
ESD per Method 3015.7 ................................................>2000V
Continuous Power Dissipation
Plastic DIP (derate 9.09mW/°C above +70°C) ............727mW
Narrow SO (derate 5.88mW/°C above +70°C) ...........471mW
CERDIP (derate 8.00mW/°C above +70°C)..................640mW
MAX (derate 4.10mW/°C above +70°C) .....................330mW
Operating Temperature Ranges
MAX32_C_ _ ........................................................0°C to +70°C
MAX32_E_ _......................................................-40°C to +85°C
MAX32_MJA ....................................................-55°C to +125°C
Storage Temperature Range ..........................-65°C to +150°C
Lead Temperature (soldering, 10sec) .............................+300°C

MAX323 Features

Low On-Resistance (RON), 60½ max (33½ typ)
RON Matching Between Channels <2½
RON Flatness <6½ Max
Guaranteed Charge Injection <5pC
Single-Supply Operation (+2.7V to +16V)
Low Power Consumption, <5W
Low Leakage Current Over Temperature,<2.5nA at +85°C
Fast Switching: tON <150ns, tOFF <100ns
Guaranteed Break-Before-Make (MAX325 only)
TTL/CMOS Logic Compatible

MAX323 Typical Application

Battery-Operated Systems                Sample-and-Hold Circuits
Heads-Up Displays                           Guidance and Control Systems
Audio and Video Switching               Military Radios
Test Equipment                                Communications Systems
+3V, +5V DAC_sand ADC_s                  PBX, PABX

MAX323 Connection Diagram

PIN	NAME	FUNCTION
1	NO1	Normally Open Analog Switch Terminal (MAX323/MAX325)
1	NC1	Normally Closed Analog Switch Terminal (MAX324 only)
2.6	COM1, COM2	Analog Switch Common Terminal
3.7	IN2, IN1	Logic Inputs
4	GND	Ground
5	NO2	Normally Open Analog Switch Terminal (MAX323 only)
5	NC2	Normally Closed Analog Switch Terminal (MAX324/MAX325)
8	V+	Positive Supply

MAX3232 General Description

The MAX3222/MAX3232/MAX3237/MAX3241 transceivers have a proprietary low-dropout transmitter output stage enabling true RS-232 performance from a 3.0V to 5.5V supply with a dual charge pump. The devices require only four small 0.1F external chargepump capacitors. The MAX3222, MAX3232, and MAX3241 are guaranteed to run at data rates of 120kbps while maintaining RS-232 output levels. The MAX3237 is guaranteed to run at data rates of 250kbps in the normal operating mode and 1Mbps in the MegaBaud™ operating mode, while maintaining RS-232 output levels.

The MAX3222/MAX3232 have 2 receivers and 2 drivers. The MAX3222 features a 1A shutdown mode that reduces power consumption and extends battery life in portable systems. Its receivers remain active in shutdown mode, allowing external devices such as modems to be monitored using only 1A supply current. The MAX3222 and MAX3232 are pin, package, and functionally compatible with the industry-standard MAX242 and MAX232, respectively.

The MAX3241 is a complete serial port (3 drivers/ 5 receivers) designed for notebook and subnotebook computers. The MAX3237 (5 drivers/3 receivers) is ideal for fast modem applications. Both these devices feature a shutdown mode in which all receivers can remain active while using only 1A supply current. Receivers R1 (MAX3237/MAX3241) and R2 (MAX3241) have extra outputs in addition to their standard outputs. These extra outputs are always active, allowing external devices such as a modem to be monitored without forward biasing the protection diodes in circuitry that may have VCC completely removed.

The MAX3222, MAX3237, and MAX3241 are available in space-saving TSSOP and SSOP packages.

MAX3232 Maximum Ratings

VCC...........................................................................-0.3V to +6V
V+ (Note 1) ..............................................................-0.3V to +7V
V- (Note 1) ...............................................................+0.3V to -7V
V+ + V- (Note 1)................................................................ ..+13V
Input Voltages
    T_IN, SHDN, EN .....................................................-0.3V to +6V
    MBAUD.....................................................-0.3V to (VCC + 0.3V)
    R_IN .................................................................................±25V
Output Voltages
    T_OUT...........................................................................±13.2V
    R_OUT................................................... .-0.3V to (VCC + 0.3V)
Short-Circuit Duration
    T_OUT ......................................................................Continuous
Continuous Power Dissipation (TA = +70)
    16-Pin Plastic DIP (derate 10.53mW/ above +70)......842mW
    16-Pin Narrow SO (derate 8.70mW/ above +70) ......696mW
    16-Pin Wide SO (derate 9.52mW/ above +70)...........762mW
    16-Pin TSSOP (derate 6.7mW/ above +70)............ ...533mW
    18-Pin Plastic DIP (derate 11.11mW/ above +70) ......889mW
    18-Pin SO (derate 9.52mW/ above +70)....................762mW
    20-Pin SSOP (derate 8.00mW/ above +70) ...............640mW
    20-Pin TSSOP (derate 7.0mW/ above +70)................559mW
    28-Pin SO (derate 12.50mW/ above +70) ........................1W
    28-Pin SSOP (derate 9.52mW/ above +70) ...............762mW
    28-Pin TSSOP (derate 8.7mW/ above +70)................696mW
Operating Temperature Ranges
    MAX32_ _C_ _.........................................................0 to +70
    MAX32_ _E_ _ .....................................................-40 to +85
Storage Temperature Range ...................................-65 to +150
Lead Temperature (soldering, 10sec) ....................................+300

MAX3232 Features

` Low Supply Current:
    300A (MAX3222/MAX3232/MAX3241)
    500A (MAX3237)
` Guaranteed Data Rate:
    120kbps (MAX3222/MAX3232/MAX3241)
    250kbps (MAX3237-Normal Operation)
    1Mbps (MAX3237-MegaBaud Operation)
` 1A Low-Power Shutdown with Receivers Active
    (MAX3222/MAX3237/MAX3241)
` Flow-Through Pinout (MAX3237)
` Meets EIA/TIA-232 Specifications Down to 3.0V
` Guaranteed Mouse Driveability (MAX3241)
` Pin Compatible with Industry-Standard MAX232 (MAX3232)
    Pin Compatible with Industry-Standard MAX242 (MAX3222)
` Guaranteed Slew Rate:
    6V/s (MAX3222/MAX3232/MAX3237/MAX3241)
    24V/s (MAX3237-MegaBaud Operation)

MAX3232 Typical Application

·Notebook, Subnotebook, and Palmtop Computers
·High-Speed Modems
·Battery-Powered Equipment
·Hand-Held Equipment
·Peripherals
·Printers

MAX3232 Connection Diagram

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