SP3232EEA

RS-232 Transceiver

The SP3232EEA is a rs-232 transceiver from MaxLinear. View the full SP3232EEA datasheet below including electrical characteristics, absolute maximum ratings.

Manufacturer

MaxLinear

Overview

Part: SP3222E / SP3232E series from MaxLinear

Type: True 3.0V to 5.5V RS-232 Transceivers

Description: The SP3222E / SP3232E series are 2-driver / 2-receiver RS-232 transceivers operating from a single 3.0V to 5.5V supply, featuring a minimum 120kbps data rate, 1μA low power shutdown (SP3222E), and enhanced ±15kV ESD protection.

Operating Conditions:

Supply voltage: 3.0V to 5.5V
Minimum data rate: 120kbps
Charge pump capacitors: 0.1μF

Absolute Maximum Ratings:

Max supply voltage: 6.0V (VCC)
Max continuous current: ±100mA (ICC)
Max storage temperature: +150°C

Key Specs:

Supply current (no load): 0.3 mA (Typ), 1.0 mA (Max) at VCC = 3.3V, TAMB = 25°C
Shutdown supply current (SP3222E): 1.0 μA (Typ), 10 μA (Max) at SHDN = GND, VCC = 3.3V, TAMB = 25°C
Driver output voltage swing: +5.0 V (Min), +5.4 V (Typ) with 3kΩ load, TAMB = 25°C
Receiver input voltage range: -15 V to 15 V
Receiver input resistance: 3 kΩ (Min), 5 kΩ (Typ), 7 kΩ (Max)
Maximum data rate: 120 kbps (Min), 235 kbps (Typ) with RL = 3kΩ, CL = 1000pF
Transition-region slew rate: 30 V/μs (Max) at VCC = 3.3V, RL = 3kΩ, CL = 1000pF
ESD protection: ±15kV Human Body Model, ±15kV IEC61000-4-2 Air Discharge, ±8kV IEC61000-4-2 Contact Discharge

Features:

Meets true EIA/TIA-232-F standards from a 3.0V to 5.5V power supply
Minimum 120kbps data rate under full load
1μA low power shutdown with receivers active (SP3222E)
Interoperable with RS-232 down to a 2.7V power source
Enhanced ESD specifications:
±15kV Human Body Model
±15kV IEC61000-4-2 Air Discharge
±8kV IEC61000-4-2 Contact Discharge

Applications:

Portable or hand-held applications
Notebook or palmtop computers
3.3V-only systems
Mixed 3.3V to 5.5V systems
5.0V-only systems that require true RS-232 performance

Package:

20-pin SSOP
18-pin SOIC
20-pin TSSOP
16-pin SSOP
16-pin PDIP
16-pin WSOIC
16-pin TSSOP
16-pin NSOIC

Features

■ Meets true EIA/TIA-232-F standards from a 3.0V to 5.5V power supply
■ Minimum 120kbps data rate under full load
■ 1μA low power shutdown with receivers active (SP3222E)
■ Interoperable with RS-232 down to a 2.7V power source
■ Enhanced ESD specifications:
■ ±15kV Human Body Model
■ ±15kV IEC61000-4-2 Air Discharge
■ ±8kV IEC61000-4-2 Contact Discharge

Ordering Information - Page 21

Applications

Pin Configuration

		Pin Number	Pin Number	Pin Number
Pin Name	Pin Function / Description	SP3222E	SP3222E
		SOIC	SSOP TSSOP	SP3232E
EN	Receiver Enable. Apply logic LOW for normal operation. Apply logic HIGH to disable the receiver outputs (high-Z state).	1	1	-
C1+	Positive terminal of the voltage doubler charge-pump capacitor	2	2	1
V+	5.5V output generated by the charge pump	3	3	2
C1-	Negative terminal of the voltage doubler charge-pump capacitor	4	4	3
C2+	Positive terminal of the inverting charge-pump capacitor	5	5	4
C2-	Negative terminal of the inverting charge-pump capacitor	6	6	5
V-	-5.5V output generated by the charge pump	7	7	6
T 1 OUT	RS-232 driver output	15	17	14
T 2 OUT	RS-232 driver output	8	8	7
R 1 IN	RS-232 receiver input	14	16	13
R 2 IN	RS-232 receiver input	9	9	8
R 1 OUT	TTL/CMOS receiver output	13	15	12
R 2 OUT	TTL/CMOS receiver output	10	10	9
T 1 IN	TTL/CMOS driver input	12	13	11
T 2 IN	TTL/CMOS driver input	11	12	10
GND	Ground	16	18	15
V CC	3.0V to 5.5V supply voltage	17	19	16
SHDN	Shutdown Control Input. Drive HIGH for normal device operation. Drive LOW to shutdown the drivers (high-Z output) and the on-board power supply.	18	20	-
N.C.	No connect	-	11, 14	-

Table 1: Device Pin Description

Electrical Characteristics

Unless otherwise noted, the following specifications apply for V CC = 3.0V to 5.5V with T AMB = T MIN to T MAX , typical values apply at V CC = 3.3V or 5.0V and T AMB = 25°C.

PARAMETERS	MIN.	TYP.	MAX.	UNITS	CONDITIONS
DC Characteristics
Supply current		0.3	1.0	mA	no load, V CC = 3.3V, T AMB = 25 o C, TxIN = GND or V CC
Shutdown supply current		1.0	10	μA	SHDN = GND, V CC = 3.3V, T AMB = 25 o C, TxIN = Vcc or GND
Logic Inputs and Receiver Outputs	Logic Inputs and Receiver Outputs
Input logic threshold LOW			0.8	V	TxIN, EN, SHDN (2)
Input logic threshold HIGH	2.0		V CC	V	V CC = 3.3V (2)
Input logic threshold HIGH	2.4		V CC	V	V CC = 5.0V (2)
Input leakage current		+0.01	+1.0	μA	TxIN, EN, SHDN, T AMB = 25 o C, V IN = 0V to V CC
Output leakage current		+0.05	+10	μA	Receivers disabled, V OUT = 0V to V CC
Output voltage LOW			0.4	V	I OUT = 1.6mA
Output voltage HIGH	V CC - 0.6	V CC - 0.1		V	I OUT = -1.0mA
Driver Outputs
Output voltage swing	+5.0	+5.4		V	All driver outputs loaded with 3kΩ to GND, T AMB = 25 o C
Output resistance	300			Ω	V CC = V+ = V- = 0V, T OUT = +2V
Output short-circuit current		+35	+60	mA	V OUT = 0V
Output leakage current			+25	μA	V CC = 0V or 3.0V to 5.5V, V OUT = +12V, drivers disabled

Short-Circuit Duration

TxOUT................................................................Continuous

Storage Temperature.................. ...............-65˚C to +150˚C

Power Dissipation per package

20-pin SSOP (derate 9.25mW/°C above 70°C).......750mW

18-pin SOIC (derate 15.7mW/°C above 70°C).......1260mW

20-pin TSSOP (derate 11.1mW/°C above 70°C).....890mW

16-pin SSOP (derate 9.69mW/°C above 70°C).......775mW

16-pin PDIP (derate 14.3mW/°C above 70°C).......1150mW

16-pin WSOIC (derate 11.2mW/°C above 70°C).....900mW

16-pin TSSOP (derate 10.5mW/°C above 70°C).....850mW

16-pin NSOIC (derate 13.57mW/°C above 70°C)..1086mW

Absolute Maximum Ratings

These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability and cause permanent damage to the device.

V CC ..................................................................-0.3V to	6.0V
V+ (1)	.................................................................-0.3V to 7.0V
V- (1)	..................................................................0.3V to -7.0V
V+ + \|V-\| (1)	.......................................................................13V
I CC (DC V CC or GND current).................................±100mA
Input Voltages
TxIN, EN, SHDN.................................-0.3V	to (V CC + 0.3V)
	RxIN.............................................................................±25V
Output Voltages
	TxOUT......................................................................±13.2V
RxOUT...............................................-0.3V	to (V CC + 0.3V)

Typical Application

Related Variants

The following components are covered by the same datasheet.

Part Number	Manufacturer	Package
SP3232	MaxLinear	—
SP3232E	MaxLinear	—
SP3232ECA	MaxLinear	—
SP3232ECA-L	MaxLinear	—
SP3232ECA-L/TR	MaxLinear	—
SP3232ECN	MaxLinear	—
SP3232ECN-L	MaxLinear	—
SP3232ECN-L/TR	MaxLinear	—
SP3232ECT	MaxLinear	—
SP3232ECT-L/TR	MaxLinear	—
SP3232ECY	MaxLinear	—
SP3232ECY-L	MaxLinear	—
SP3232ECY-L/TR	MaxLinear	—
SP3232EEA-L	MaxLinear	—
SP3232EEA-L/TR	MaxLinear	—
SP3232EEN	MaxLinear	—
SP3232EEN-L	MaxLinear	—
SP3232EEN-L/TR	MaxLinear	—
SP3232EET	MaxLinear	—
SP3232EET-L	MaxLinear	—
SP3232EET-L/TR	MaxLinear	—
SP3232EEY	MaxLinear	—
SP3232EEY-L	MaxLinear	—
SP3232EEY-L/TR	MaxLinear	—

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