SP3203E Просмотр технического описания (PDF) - Signal Processing Technologies
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SP3203E
Signal Processing Technologies
SP3203E Datasheet PDF : 16 Pages
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SP3203E
3V RS-232 Serial Transceiver with Logic
Selector and15kV ESD Protection
FEATURES
■ 3 Driver/ 2 Receiver Architecture
■ Logic selector function (VL) sets TTL
input/output levels for mixed logic
systems
■ Meets true EIA/TIA-232-F Standards
from a +3.0V to +5.5V power supply
■ Interoperable with EIA/TIA-232 and
adheres to EIA/TIA-562 down to a
+2.7V power source
■ Minimum 250Kbps data rate under load
■ Regulated Charge Pump Yields Stable
RS-232 Outputs Regardless of V
CC
Variations
■ Enhanced ESD Specifications:
+15KV Human Body Model
+15KV IEC1000-4-2 Air Discharge
+8KV IEC1000-4-2 Contact Discharge
■ Applications
■ Palmtops
■ Cell phone Data Cables
■ PDA's
C1+ 1
V+ 2
C1- 3
C2+ 4
C2- 5
V- 6
T1IN 7
T2IN 8
T3IN 9
R2OUT 10
20 SHUTDOWN
19 VCC
18 GND
SP3203E
17 T1OUT
16 T2OUT
15 T3OUT
14 R1IN
13 R2IN
12 VL
11 R1OUT
Now Available in Lead Free Packaging
DESCRIPTION
The SP3203E provides a RS-232 transceiver solution for portable and hand-held applica-
tions such as palmtops, PDA's and cell phones. The SP3203E uses an internal high-
efficiency, charge-pump that requires only 0.1µF capacitors during 3.3V operation. This
charge pump and Sipex's driver architecture allow the SP3203E to deliver compliant RS-232
performance from a single power supply ranging from +3.0V to +5.5V.
The SP3203E is a 3-driver/2-receiver device, with a unique VL pin to program the TTL input
and output logic levels to allow interoperation in mixed-logic voltage systems such as PDA's
and cell phones. Receiver outputs will not exceed VL for VOH and transmitter input logic levels
are scaled by the magnitude of the VL input.
Date: 03/01/05
SP3203E, 3V RS232 Serial Transceiver with Logic Selector and 15kV ESD
1
© Copyright 2005 Sipex Corporation
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