IrDA Technical Information 1
GP2W0004YP/XP
IrDA Technical Information Infrared Transceiver
FEATURES
• IrDA 115 kbit/s, 1 meter Transceiver
• Small Package Design
– W 9.21 × D 3.86 × H 2.71 mm
• Receiver Output Provides a Gated Output Pulse for
the Received Input Signal
• Fits Within Mobile Phone Connector Dimensions
• Low Power Consumption and Built-in Shut-Down
Mode (1 µA MAX.)
• Wide Range Operating Voltage
– VCC = 2.4 V - 5.5 V
• Wide Operating Temp erature Range
– -20°C to +85°C
• Split Voltage Design
– LED Voltage Separate from Operating Voltage
• Internal Echo-Cancel Function
– RX Data Output Disabled when the Tran smit LED
is Active
• LED Disabled During Shutdown Mode
• Solder Reflow Capability for Automated Production
Process
• GP2W0004YP is Electrically and Mechanically
Compatible with IRMS5000, HSDL-3000, CHX1010,
MiniSIR2-1
• Top View Version: GP2W0004XP
DESCRIPTION
The SHARP GP2W0004YP has a wide operating
voltage range and is one of the smallest IrDA one-
meter transceiver modules. It provides the interface
between logic and IR signals for through-air, serial,
half-duplex IR wireless data links and is designed to
satisfy the IrDA physical layer specifications.
This part fe atures an integral Electro-Magn etic Inter-
ference (EMI) sh ield. IR energy is inherently immune to
EMI; however, the receiving devices are sensitive to
EMI. The shield provides additional protection in noisy
environments such as PCs and other digital products.
The SHARP GP2W0004YP infrared transceiver
module contains a high speed, high efficiency, low
power consumption AlGaAs LED, silicon PIN photo-
diode, and low power bipolar integrated circuit. The IC
contains an LED driver circuit and a receiver, which
provides the RX output. IrDA data rates of 2.4 kbit/s to
115.2 kbit/s are supported at both the 20 cm and one
meter distance s. Emitter current is approxim ately IF =
100 mA at the one meter range, and the IrDA low
power option communicatio n mode is IF = 27 mA. This
dual mode communication capability provides wider
application use in a final product, such as a wireless
data link with PCs, PDAs, or any other IrDA compliant
application already introduced to the marketplace.
The GP2W0004YP transceiver module operates
over a power supply r ange of 2.4 V to 5.5 V without any
performance degradation. This provides a single part
with a wide variety of design applications. The LED
voltage is separate and may be provided from a second
source, allowing the main power supply voltage to
directly interface to the IC controller. The LED may be
connected to the device battery or some other higher
level source.
The GP2W0004YP also includes an integral echo-
cancel function that disa bles the RX Data Output when
the Transmit LED is d riven by TX data.
The transceiver module has a built-in shutdown
mode for those applications that are very conscious
about current consumption. This reduces the current
consumption of the r eceiver circuit to 1 µA (MAX.) dur-
ing shutdown mode. During shutdown, the transmitter
output is disabled so that data on the input will not drive
the LED when the IrDA transceiver is one of several
devices on an I/O line.