TFBS4652 Vishay, TFBS4652 Datasheet - Page 5

• Manufacturer Part Number: TFBS4652
• Description: Infrared Transceiver 9.6 Kbit/s To 115.2 Kbit/s Sir
• Manufacturer: Vishay

Optoelectronic Characteristics
Receiver
T
Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
*)
lamps.
**)
tion while the source is operating at the minimum intensity in angular range into the minimum half-angle range at the maximum Link Length.
***)
maximum intensity in angular range at Minimum Link Length must not cause receiver overdrive distortion and possible related link errors.
If placed at the Active Output Interface reference plane of the transmitter, the receiver must meet its bit error ratio (BER) specification.
****) RXD output is edge triggered by the rising edge of the optical input signal. The output pulse duration is independent of the input pulse
duration.
For more definitions see the document “Symbols and Terminology” on the Vishay Website (http://www.vishay.com/docs/82512/82512.pdf).
Document Number 84671
Rev. 1.1, 03-Jul-06
Sensitivity:
Minimum irradiance Ee in
angular range *)**)
Maximum irradiance Ee in
angular range ***)
No output receiver input
irradiance
Rise time of output signal
Fall time of output signal
RXD pulse width of output
signal, 50 %****)
Receiver start up time
Latency
amb
This parameter reflects the backlight test of the IrDA physical layer specification to guarantee immunity against light from fluorescent
IrDA sensitivity definition: Minimum Irradiance E
Maximum Irradiance E
= 25 °C, V
Parameter
CC
= 2.4 V to 3.6 V unless otherwise noted.
e
In Angular Range, power per unit area. The optical delivered to the detector by a source operating at the
9.6 kbit/s to 115.2 kbit/s
λ = 850 nm to 900 nm
According to IrDA IrPHY 1.4,
Appendix A1, fluorescent light
specification
10 % to 90 %, C
90 % to 10 %, C
Input pulse width
1.63 µs
Power on delay
λ = 850 nm to 900 nm
Test Conditions
L
L
e
= 15 pF
= 15 pF
In Angular Range, power per unit area. The receiver must meet the BER specifica-
Symbol
t
t
r (RXD)
f (RXD)
t
E
E
E
PW
t
L
e
e
e
(500)
(0.4)
Min
1.7
20
20
30
5
4
Vishay Semiconductors
(4.0)
Typ.
100
40
50
TFBS4652
(8.1)
Max
100
100
150
100
2.9
81
www.vishay.com
(mW/cm
(µW/cm
(µW/cm
mW/m
mW/m
kW/m
Unit
µs
µs
µs
ns
ns
2
135
2
2
2
2
2
)
)
)