TFBS4650 Vishay, TFBS4650 Datasheet - Page 5

• Manufacturer Part Number: TFBS4650
• Description: TRANSCEIVER, IRDA
• Manufacturer: Vishay

Specifications of TFBS4650

• Data Rate Max: 115.2Kbps
• Data Transmission Distance: 30cm
• Peak Wavelength: 886nm
• Supply Current: 2mA
• Supply Voltage Range: 2.4V To 3.6V
• Operating Temperature Range: -25°C To +85°C
• Msl: MSL 4 - 72 Hours
• External: RoHS Compliant
• External Depth: 1.6mm
• Rohs Compliant: Yes
• Communication Cone: 15°
• Svhc: No SVHC (20-Jun-2011)

TFBS4650
Vishay Semiconductors
Optoelectronic Characteristics
Receiver
T
Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
*)
lamps
**)
while the source is operating at the minimum intensity in angular range into the minimum half-angle range at the maximum Link Length
***)
imum 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.
****)
duration.
For more definitions see the document “Symbols and Terminology” on the Vishay Website (http://www.vishay.com/docs/82512/82512.pdf).
www.vishay.com
124
Sensitivity:
Minimum irradiance Ee in
angular range *)**)
Maximum irradiance Ee in
angular range ***)
No receiver output 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
RXD output is edge triggered by the rising edge of the optical input signal. The output pulse duration is independent of the input pulse
= 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 max-
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
e
L
L
In Angular Range, power per unit area. The receiver must meet the BER specification
= 15 pF
= 15 pF
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
5
4
(4.0)
Typ.
100
2.0
40
50
Document Number 84672
(8.1)
Max
100
100
150
200
2.9
81
Rev. 1.1, 03-Jul-06
(mW/cm
(µW/cm
(µW/cm
mW/m
mW/m
kW/m
Unit
ns
ns
µs
µs
µs
2
2
2
2
2
2
)
)
)