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參數(shù)資料
| 型號： | TFBS6712 |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | Fast IrDA with Smallest Footprint; Low Profile; |
| 中文描述： | 快速紅外線，最小尺寸，低外形; |
| 文件頁數(shù)： | 5/14頁 |
| 文件大?。?/td> | 228K |
| 代理商： | TFBS6712 |
www.vishay.com
274
Document Number
8
4674
Rev. 1.2, 21-Feb-07
TFBS6712
Vishay Semiconductors
Optoelectronic Characteristics
T
amb
= 25 °C, V
CC
= 2.4 V to 3.6 V unless otherwise noted.
Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
Parameter
Test Conditions
Receiver
Minimum irradiance E
e
in
angular range**)
λ
=
8
50 nm to 900 nm, V
cc
= 2.4 V
Note: All timing data measured with 4 Mbit/s are measured using the IrDA
FIR transmission header. The data given here are valid 5 μs
after starting the preamble.
*)
IrDA latency definition:
Receiver
Latency
Allowance (milliseconds or microseconds) is the maximum time after a node ceases trans-
mitting before the node’s receiver recovers its specified sensitivity. During this period and also during the receiver start up time (after power
on or shut down) the RXD output may be in an undefined state.
**)
IrDA sensitivity definition: Minimum Irradiance E
e
In Angular Range
, power per unit area. The receiver must meet the BER speci-
fication while the source is operating at the minimum intensity in angular range into the minimum half-angle range at the maximum Link
Length
***)
Maximum Irradiance Ee In Angular Range
, power per unit area. The optical power delivered to the detector by a source operating
at the 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) specifica-
tion.
For more definitions see the document “Symbols and Terminology” on the Vishay Website (http://www.vishay.com/docs/
8
2512/
8
2512.pdf).
Symbol
Min
Typ.
Max
Unit
9.6 kbit/s to 115.2 kbit/s
E
e
50
(5)
8
0
(
8
)
mW/m
2
(μW/cm
2
)
mW/m
2
(μW/cm
2
)
Minimum irradiance E
e
in
angular range
MIR mode
Minimum irradiance E
e
in
angular range
FIR mode
Maximum irradiance E
e
in
angular range***)
1.152 Mbit/s
λ
=
8
50 nm to 900 nm, V
cc
= 2.4 V
E
e
100
(10)
4 Mbit/s
λ
=
8
50 nm to 900 nm, V
cc
= 2.4 V
E
e
120
(12)
200
(20)
mW/m
2
(μW/cm
2
)
λ
=
8
50 nm to 900 nm
E
e
5
(500)
kW/m
2
(mW/cm
2
)
mW/m
2
(μW/cm
2
)
No detection receiver Input
Irradiance (fluorescent light
noise suppression)
Rise time of output signal
E
e
4
(0.4)
10 % to 90 %, C
L
= 15 pF
90 % to 10 %, C
L
= 15 pF
Input pulse length
1.4 μs < P
Wopt
< 25 μs
Input pulse length
P
Wopt
= 217 ns, 1.152 Mbit/s
Input pulse length
P
Wopt
= 125 ns, 4 Mbit/s
Input pulse length
P
Wopt
= 250 ns, 4 Mbit/s
Input irradiance = 150 mW/m
2
,
4 Mbit/s
1.152 Mbit/s
≤
115.2 kbit/s
After completion of shutdown
programming sequence
Power on delay
t
r (RXD)
t
f (RXD)
t
PW
10
50
ns
Fall time of output signal
10
50
ns
RXD pulse width of output
signal, 50 %, SIR mode
1.4
1.
8
2.6
μs
RXD pulse width of output
signal, 50 %, MIR mode
t
PW
110
250
270
ns
RXD pulse width of output
signal, 50 %, FIR mode
t
PW
110
140
ns
RXD pulse width of output
signal, 50 %, FIR mode
t
PW
225
275
ns
RXD output jitter, leading edge
20
40
350
ns
ns
ns
Receiver start up time
500
μs
Latency*)
t
L
100
μs
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