GP1UF310XP0F Sharp Microelectronics, GP1UF310XP0F Datasheet - Page 6

• Manufacturer Part Number: GP1UF310XP0F
• Description: Infrared Receivers IR Remote Receiver 2.7-5.5V 35Khz
• Manufacturer: Sharp Microelectronics

Specifications of GP1UF310XP0F

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

■ Design Considerations
1. This product is not designed to be electromagnetic- and ionized-particle-radiation resistant.
2. Avoid placing mechanical stress upon this part, whether to the case or terminals. Such stresses may crack the
3. When using this part in a remote control function, the recommended signal format is NEC code, RC-6 code, or
Fig. 4. Transmit Time for One Signal Block
4. Output noise may be caused by environmental factors, even in the absence of a received signal. If the device
5. This device may have degraded optical performance if the surface becomes dirty or coated with any foreign sub-
6. Sharp recommends a circuit similar to the one shown in Fig. 5 to accompany this device. The values should be
7. This device has a parallel transistor internally to protect it against static. However, the internal protection should
D
GP1UF31YP0F-2
t
Design Guidelines
= ( t
molding material, possibly breaking internal wire bonds in the part.
similar. the transmitter’s duty ratio should follow the formula when calculating the transmission time for 1 block.
(Where D
It should yield a 40% duty cycle or less. The ON signal time of T
ulated IR) should be 200 µs or more. The OFF signal time of T
ulated IR) should be 400 µs or more when V
Should the signal format exceed these conditions, the reception distance or device output may be compromised.
See Fig. 4.
is used in the presence of strong external light, this may show up as noise in the detector. Sharp recommends
checking the layout and structure so as to reduce the amount of external light interference. Also, confirm the
device’s performance in actual operation, as the output may be affected by signal format, temperature, and the
distance from the transmitter.
stance.
adjusted to reflect the actual circuit conditions, and be placed as physically close to the device as possible.
not be counted upon to protect the device against overvoltage or noise spikes in the power supply, as the transistor
could experience a secondary breakdown short. Sharp recommends decoupling the power supply near the device
with a 47 Ω (1/10W) resistor and 10 µF capacitor.
n
N = 1
t
N
1
/T) × 100 (%)
t
is emission time and T is the transmit time for one block.)
t
2
Transmit Time for 1 Block: T
t
3
t
ON
1 Bit
t
OFF
. . .
Preliminary
CC
D
t
= 2.7 to 3.0 V; and 300 µs or more when V
=
N
-----------------
6

t
n
n
=
T
1
t N
OFF
ON
(which is the pulse width per bit of the mod-
(which is the pulse width per bit of the mod-
. . .
GP1UF31xYP0F Series
CC
Sheet No.: OP06Y11A
= 3.0 to 5.5 V.
March 2009