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ISL83220EIA Datasheet

  • ISL83220EIA

  • +/-15kV ESD Protected, +3V to +5.5V, 1Microamp, 250kbps, RS-...

  • 11頁

  • INTERSIL   INTERSIL

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ISL83220E
TM
Data Sheet
September 2001
File Number
6011.1
+/-15kV ESD Protected, +3V to +5.5V,
1Microamp, 250kbps, RS-232
Transmitters/Receivers
The Intersil ISL83220E is a 3.0V to 5.5V powered RS-232
transmitter/receiver which meets ElA/TIA-232 and V.28/V.24
specifications, even at V
CC
= 3.0V. Additionally, it provides
鹵
15kV ESD protection (IEC 1000-4-2 Air Gap and Human
Body Model) on transmitter outputs and receiver inputs
(RS-232 pins). Targeted applications are PDAs, Palmtops,
and notebook and laptop computers where the low
operational, and even lower standby, power consumption is
critical. Efficient on-chip charge pumps, coupled with a
manual powerdown function, reduce the standby supply
current to a 1碌A(chǔ) trickle. Small footprint packaging, and the
use of small, low value capacitors ensure board space
savings as well. Data rates greater than 250kbps are
guaranteed at worst case load conditions. This family is fully
compatible with 3.3V only systems, mixed 3.3V and 5.0V
systems, and 5.0V only systems.
Table 1 summarizes the features of the ISL83320E, while
Application Note AN9863 summarizes the features of each
device comprising the ICL32XXE 3V family.
Features
鈥?ESD Protection for RS-232 I/O Pins to
鹵
15kV (IEC1000)
鈥?Drop in Replacement for SP3220E
鈥?Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V
鈥?Interoperable with RS-232 down to V
CC
= 2.7V
鈥?Latch-Up Free
鈥?On-Chip Voltage Converters Require Only Four External
0.1碌F Capacitors
鈥?Manual Powerdown Feature with Receivers Active
鈥?Separate Receiver Enable Pin
鈥?R
X
and T
X
Hysteresis For Improved Noise Immunity
鈥?Guaranteed Minimum Data Rate . . . . . . . . . . . . . 250kbps
鈥?Guaranteed Minimum Slew Rate . . . . . . . . . . . . . . . 6V/碌s
鈥?Wide Power Supply Range . . . . . . . Single +3V to +5.5V
鈥?Low Supply Current in Powerdown State. . . . . . . . . . . 1碌A(chǔ)
itle
L32
E,
L32
E,
L32
E,
L32
E,
L32
E,
L32
E)
b-
t
-
kV
D
-
ted,
V to
.5V,
icro
p,
0kbp
S-
2
ns-
t-
s/Re
v-
)
utho
)
ey-
rds
Applications
鈥?Any System Requiring RS-232 Communication Ports
- Battery Powered, Hand-Held, and Portable Equipment
- Laptop Computers, Notebooks, Palmtops
- Modems, Printers and other Peripherals
- Digital Cameras
- Cellular/Mobile Phones
Related Literature
鈥?Technical Brief TB363 鈥淕uidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)鈥?/div>
TABLE 1. SUMMARY OF FEATURES
PART
NUMBER
ISL83220E
NO. OF NO. OF
Tx.
Rx.
1
1
NO. OF
MONITOR Rx.
(R
OUTB
)
0
DATA
RATE
(kbps)
250
Rx. ENABLE
FUNCTION?
YES
READY
OUTPUT?
NO
MANUAL
POWER-
DOWN?
YES
AUTOMATIC
POWERDOWN
FUNCTION?
NO
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
Intersil and Design is a trademark of Intersil Americas Inc.
|
Copyright 漏 Intersil Americas Inc. 2001

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