MAX3223
3 V TO 5.5 V MULTICHANNEL RS 232 LINE DRIVER/RECEIVER
WITH
±15
kV ESD PROTECTION
SLLS409K − JANUARY 2000 − REVISED MARCH 2004
D
RS-232 Bus-Pin ESD Protection Exceeds
D
D
D
D
D
D
D
D
D
±15
kV Using Human-Body Model (HBM)
Meets or Exceeds the Requirements of
TIA/EIA-232-F and ITU v.28 Standards
Operates With 3-V to 5.5-V V
CC
Supply
Operates Up To 250 kbit/s
Two Drivers and Two Receivers
Low Standby Current . . . 1
µA
Typical
External Capacitors . . . 4
×
0.1
µF
Accepts 5-V Logic Input With 3.3-V Supply
Alternative High-Speed Pin-Compatible
Device (1 Mbit/s)
− SNx5C3223
Applications
− Battery-Powered Systems, PDAs,
Notebooks, Laptops, Palmtop PCs, and
Hand-Held Equipment
DB, DW, OR PW PACKAGE
(TOP VIEW)
EN
C1+
V+
C1−
C2+
C2−
V−
DOUT2
RIN2
ROUT2
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
FORCEOFF
V
CC
GND
DOUT1
RIN1
ROUT1
FORCEON
DIN1
DIN2
INVALID
description/ordering information
The MAX3223 consists of two line drivers, two line receivers, and a dual charge-pump circuit with
±15-kV
ESD
protection pin to pin (serial-port connection pins, including GND). The device meets the requirements of
TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and
the serial-port connector. The charge pump and four small external capacitors allow operation from a single
3-V to 5.5-V supply. The device operates at data signaling rates up to 250 kbit/s and a maximum of 30-V/µs
driver output slew rate.
ORDERING INFORMATION
TA
SOIC (DW)
−0°C to 70°C
SSOP (DB)
TSSOP (PW)
SOIC (DW)
−40°C to 85°C
SSOP (DB)
TSSOP (PW)
PACKAGE†
Tube of 25
Reel of 2000
Tube of 70
Reel of 2000
Tube of 70
Reel of 2000
Tube of 25
Reel of 2000
Tube of 70
Reel of 2000
Tube of 70
Reel of 2000
ORDERABLE
PART NUMBER
MAX3223CDW
MAX3223CDWR
MAX3223CDB
MAX3223CDBR
MAX3223CPW
MAX3223CPWR
MAX3223IDW
MAX3223IDWR
MAX3223IDB
MAX3223IDBR
MAX3223IPW
MAX3223IPWR
MB3223I
MB3223I
MAX3223I
MA3223C
MA3223C
MAX3223C
TOP-SIDE
MARKING
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
2004, Texas Instruments Incorporated
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
1
SLLS409K − JANUARY 2000 − REVISED MARCH 2004
MAX3223
3 V TO 5.5 V MULTICHANNEL RS 232 LINE DRIVER/RECEIVER
WITH
±15
kV ESD PROTECTION
description/ordering information (continued)
Flexible control options for power management are available when the serial port is inactive. The
auto-powerdown feature functions when FORCEON is low and FORCEOFF is high. During this mode of
operation, if the device does not sense a valid RS-232 signal, the driver outputs are disabled. If FORCEOFF
is set low and EN is high, both drivers and receivers are shut off, and the supply current is reduced to 1
µA.
Disconnecting the serial port or turning off the peripheral drivers causes auto-powerdown to occur.
Auto-powerdown can be disabled when FORCEON and FORCEOFF are high. With auto-powerdown enabled,
the device is activated automatically when a valid signal is applied to any receiver input. The INVALID output
is used to notify the user if an RS-232 signal is present at any receiver input. INVALID is high (valid data) if any
receiver input voltage is greater than 2.7 V or less than −2.7 V, or has been between −0.3 V and 0.3 V for less
than 30
µs.
INVALID is low (invalid data) if the receiver input voltage is between −0.3 V and 0.3 V for more than
30
µs.
Refer to Figure 4 for receiver input levels.
Function Tables
EACH DRIVER
INPUTS
DIN
X
L
H
L
H
L
H
FORCEON
X
H
H
L
L
L
L
FORCEOFF
L
H
H
H
H
H
H
VALID RIN
RS-232 LEVEL
X
X
X
Yes
Yes
No
No
OUTPUT
DOUT
Z
H
L
H
L
Z
Z
DRIVER STATUS
Powered off
Normal operation with
auto-powerdown disabled
Normal operation with
auto-powerdown enabled
Powered off by
auto-powerdown feature
H = high level, L = low level, X = irrelevant, Z = high impedance
EACH RECEIVER
INPUTS
RIN
L
H
X
Open
EN
L
L
H
L
VALID RIN
RS-232 LEVEL
X
X
X
No
OUTPUT
ROUT
H
L
Z
H
H = high level, L = low level, X = irrelevant,
Z = high impedance (off), Open = input
disconnected or connected driver off
2
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
MAX3223
3 V TO 5.5 V MULTICHANNEL RS 232 LINE DRIVER/RECEIVER
WITH
±15
kV ESD PROTECTION
SLLS409K − JANUARY 2000 − REVISED MARCH 2004
logic diagram (positive logic)
13
DIN1
17
DOUT1
12
DIN2
20
14
FORCEON
1
EN
15
ROUT1
Auto-powerdown
8
DOUT2
FORCEOFF
11
INVALID
16
RIN1
10
ROUT2
9
RIN2
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
†
Supply voltage range, V
CC
(see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 6 V
Positive output supply voltage range, V+ (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 7 V
Negative output supply voltage range, V− (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to −7 V
Supply voltage difference, V+ − V− (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 V
Input voltage range, V
I
: Driver, FORCEOFF, FORCEON, EN . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 6 V
Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −25 V to 25 V
Output voltage range, V
O
: Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −13.2 V to 13.2 V
Receiver, INVALID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to V
CC
+ 0.3 V
Package thermal impedance,
θ
JA
(see Notes 2 and 3): DB package . . . . . . . . . . . . . . . . . . . . . . . . . . . 70°C/W
DW package . . . . . . . . . . . . . . . . . . . . . . . . . . 58°C/W
PW package . . . . . . . . . . . . . . . . . . . . . . . . . . 83°C/W
Operating virtual junction temperature, T
J
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C
Storage temperature range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C
† 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 under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. All voltages are with respect to network GND.
2. Maximum power dissipation is a function of TJ(max),
θ
JA, and TA. The maximum allowable power dissipation at any allowable
ambient temperature is PD = (TJ(max) − TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability.
3. The package thermal impedance is calculated in accordance with JESD 51-7.
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
3
SLLS409K − JANUARY 2000 − REVISED MARCH 2004
MAX3223
3 V TO 5.5 V MULTICHANNEL RS 232 LINE DRIVER/RECEIVER
WITH
±15
kV ESD PROTECTION
recommended operating conditions (see Note 4 and Figure 6)
MIN
Supply voltage
VIH
VIL
VI
TA
Driver and control high-level input voltage
Driver and control low-level input voltage
Driver and control input voltage
Receiver input voltage
Operating free-air temperature
MAX3223C
MAX3223I
DIN, EN, FORCEOFF,
FORCEON
VCC = 3.3 V
VCC = 5 V
VCC = 3.3 V
VCC = 5 V
3
4.5
2
2.4
0.8
0
−25
0
−40
5.5
25
70
85
V
°C
V
V
NOM
3.3
5
MAX
3.6
5.5
V
UNIT
DIN, EN, FORCEOFF, FORCEON
DIN, EN, FORCEOFF, FORCEON
NOTE 4: Test conditions are C1−C4 = 0.1
µF
at VCC = 3.3 V
±
0.3 V; C1 = 0.047
µF,
C2−C4 = 0.33
µF
at VCC = 5 V
±
0.5 V.
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Note 4 and Figure 6)
PARAMETER
II
Input leakage
current
EN, FORCEOFF,
FORCEON
Auto-powerdown
disabled
ICC
Supply current
Powered off
Auto-powerdown
enabled
VCC = 3.3 V or 5 V,
TA = 25°C
No load,
FORCEOFF and
FORCEON at VCC
No load, FORCEOFF at GND
No load, FORCEOFF at VCC,
FORCEON at GND,
All RIN are open or grounded
TEST CONDITIONS
MIN
TYP†
±0.01
MAX
±1
UNIT
µA
0.3
1
1
1
10
10
mA
µA
† All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.
NOTE 4: Test conditions are C1−C4 = 0.1
µF
at VCC = 3.3 V
±
0.3 V; C1 = 0.047
µF,
C2−C4 = 0.33
µF
at VCC = 5 V
±
0.5 V.
4
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
MAX3223
3 V TO 5.5 V MULTICHANNEL RS 232 LINE DRIVER/RECEIVER
WITH
±15
kV ESD PROTECTION
SLLS409K − JANUARY 2000 − REVISED MARCH 2004
DRIVER SECTION
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Note 4 and Figure 6)
PARAMETER
VOH
VOL
IIH
IIL
IOS
ro
Ioff
High-level output voltage
Low-level output voltage
High-level input current
Low-level input current
Short-circuit output current‡
Output resistance
Output leakage current
TEST CONDITIONS
DOUT at RL = 3 kΩ to GND
DOUT at RL = 3 kΩ to GND
VI = VCC
VI at GND
VCC = 3.6 V,
VCC = 5.5 V,
VCC, V+, and V− = 0 V,
FORCEOFF = GND
VO = 0 V
VO = 0 V
VO =
±2
V
VO =
±12
V,
VO =
±10
V,
VCC = 3 V to 3.6 V
VCC = 4.5 V to 5.5 V
300
MIN
5
−5
TYP†
5.4
−5.4
±0.01
±0.01
±35
±35
10M
±25
±25
±1
±1
±60
±60
MAX
UNIT
V
V
µA
µA
mA
Ω
µA
† All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.
‡ Short-circuit durations should be controlled to prevent exceeding the device absolute power-dissipation ratings, and not more than one output
should be shorted at a time.
NOTE 4: Test conditions are C1−C4 = 0.1
µF
at VCC = 3.3 V
±
0.3 V; C1 = 0.047
µF,
C2−C4 = 0.33
µF
at VCC = 5 V
±
0.5 V.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Note 4 and Figure 6)
PARAMETER
Maximum data rate
tsk(p)
SR(tr)
Pulse skew§
Slew rate, transition region
(See Figure 1)
TEST CONDITIONS
CL = 1000 pF,
One DOUT switching,
CL = 150 pF to 2500 pF,
See Figure 2
VCC = 3.3 V,
RL = 3 kΩ to 7 kΩ
RL = 3 kΩ,
See Figure 1
RL = 3 kΩ to 7 kΩ,
CL = 150 pF to 1000 pF
CL = 150 pF to 2500 pF
6
4
MIN
250
100
30
30
TYP†
MAX
UNIT
kbit/s
ns
V/µs
† All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.
§ Pulse skew is defined as |tPLH − tPHL| of each channel of the same device.
NOTE 4: Test conditions are C1−C4 = 0.1
µF
at VCC = 3.3 V
±
0.3 V; C1 = 0.047
µF,
C2−C4 = 0.33
µF
at VCC = 5 V
±
0.5 V.
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
5