ICL3237IA-T Intersil, ICL3237IA-T Datasheet

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ICL3237IA-T

Manufacturer Part Number
ICL3237IA-T
Description
IC 5DRVR/3RCVR RS232 3V 28-TSSOP
Manufacturer
Intersil
Type
Transceiverr
Datasheet

Specifications of ICL3237IA-T

Number Of Drivers/receivers
5/3
Protocol
RS232
Voltage - Supply
3 V ~ 5.5 V
Mounting Type
Surface Mount
Package / Case
28-SSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
1 Microamp Supply-Current, +3V to +5.5V,
1Mbps, RS-232 Transmitters/Receivers
The Intersil ICL3237 contains 3.0V to 5.5V powered RS-232
transmitters/receivers which meet ElA/TIA-232 and
V.28/V.24 specifications, even at V
applications are cell phones, 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 manual powerdown
function, reduce the standby supply current to a 1µA trickle.
Small footprint packaging, and the use of small, low value
capacitors ensure board space savings as well. Data rates
greater than 1Mbps (MBAUD = V
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.
The ICL3237 is a 5 driver, 3 receiver device that also
includes a noninverting always-active receiver for “wake-up”
capability.
Table 1 summarizes the features of the device represented
by this data sheet, while Application Note AN9863
summarizes the features of each device comprising the
ICL32XX 3V family.
NOTE:
1. Data rate is selectable via the MBAUD pin.
NUMBER
ICL3237
PART
NO. OF
Tx.
5
NO. OF
®
Rx.
3
1
CC
CC
MONITOR Rx.
Data Sheet
) are guaranteed at
(R
= 3.0V. Targeted
NO. OF
OUTB
1
)
TABLE 1. SUMMARY OF FEATURES
(NOTE 1)
250/1000
1-888-INTERSIL or 1-888-468-3774
(kbps)
DATA
RATE
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Rx. ENABLE
FUNCTION?
Features
• Drop in Replacement for MAX3237
• Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V
• Latch-Up Free
• On-Chip Voltage Converters Require Only Four External
• Manual Powerdown Features
• Flow Through Pinout
• Receiver Hysteresis For Improved Noise Immunity
• Pin Selectable Data Rate
• Guaranteed Minimum Data Rate . . . . . . . 250kbps/1Mbps
• Guaranteed Minimum Slew Rate . . . . . . . 6V/µs or 24V/µs
• Wide Power Supply Range . . . . . . . Single +3V to +5.5V
• Low Supply Current in Powerdown State. . . . . . . . . . .1µA
• Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
• Any System Requiring RS-232 Communication Ports
Related Literature
• Technical Brief TB363 “Guidelines for Handling and
• AN9863 “3V to +5.5V, 250k-1Mbps, RS-232
YES
±
Capacitors
- Battery Powered, Hand-Held, and Portable Equipment
- Laptop Computers, Notebooks, Palmtops
- Modems, Printers and other Peripherals
- Digital Cameras
- Cellular/Mobile Phone
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
Transmitters/Receivers”
15kV ESD Protected (Human Body Model)
October 21, 2005
Copyright © Intersil Americas Inc. 2001-2002, 2004-2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
OUTPUT?
READY
NO
MANUAL
POWER-
DOWN?
YES
POWERDOWN
ICL3237
AUTOMATIC
FUNCTION?
FN6003.3
NO

Related parts for ICL3237IA-T

ICL3237IA-T Summary of contents

Page 1

... Copyright © Intersil Americas Inc. 2001-2002, 2004-2005. All Rights Reserved All other trademarks mentioned are the property of their respective owners. ICL3237 FN6003.3 MANUAL AUTOMATIC READY POWER- POWERDOWN OUTPUT? DOWN? FUNCTION? NO YES NO | Intersil (and design registered trademark of Intersil Americas Inc. ...

Page 2

... Pb-free products are MSL classified at Pb-free peak reflow 16 R1 OUTB temperatures that meet or exceed the Pb-free requirements of 15 MBAUD IPC/JEDEC J STD-020. FUNCTION output. OUTB TEMP. PART RANGE MARKING (°C) PACKAGE ICL3237CA SSOP M28.209 ICL3237CAZ SSOP M28.209 (Pb-free) ICL3237IA - SSOP M28.209 ICL3237IAZ - SSOP M28.209 (Pb-free) PKG. DWG. # ...

Page 3

Typical Operating Circuit TTL/CMOS LOGIC LEVELS TO CONTROL LOGIC NOTE: THE NEGATIVE TERMINAL ICL3237 ICL3237 C +3.3V + 0.1µ C1 0.1µ C2+ + 0.1µF ...

Page 4

Absolute Maximum Ratings V to Ground -0. ...

Page 5

Electrical Specifications Test Conditions: V Specified. Typicals are at T PARAMETER = 0V, Transmitter Output = ±2V Output Resistance V CC Output Short-Circuit Current = ±12V, V Output Leakage Current V OUT TIMING CHARACTERISTICS Maximum Data ...

Page 6

... The circuit is divided into three sections: The charge pump, the transmitters, and the receivers. Charge-Pump Intersil’s new ICL32XX family utilizes regulated on-chip dual charge pumps as voltage doublers, and voltage inverters to generate ±5.5V transmitter supplies from a V low as 3.0V. This allows these devices to maintain RS-232 compliant output levels over the ± ...

Page 7

Receiver ENABLE Control This device also features an EN input to control the receiver outputs. Driving EN high disables all the inverting (standard) receiver outputs placing them in a high impedance state. This is useful to eliminate supply current, due ...

Page 8

Figure 6 illustrates the standard speed loopback test result for a single transmitter driving 1000pF and an RS-232 load at 250kbps. Figure 7 shows the megabaud loopback results for a single transmitter driving ...

Page 9

Typical Performance Curves TRANSMITTER AT 250kbps OTHER TRANSMITTERS AT 30kbps 0 MBAUD = GND - 1000 2000 3000 LOAD CAPACITANCE (pF) FIGURE 8. LOW SPEED TRANSMITTER OUTPUT VOLTAGE vs LOAD CAPACITANCE 25 20 ...

Page 10

Typical Performance Curves Die Characteristics SUBSTRATE POTENTIAL (POWERED UP) GND TRANSISTOR COUNT 619 PROCESS Si Gate CMOS 10 ICL3237 3.3V (Continued 3.5 NO LOAD ALL OUTPUTS STATIC 3.0 2.5 2.0 1.5 ...

Page 11

... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...

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