TFDS4400 查看數據表（PDF） - Vishay Semiconductors
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TFDS4400 Datasheet PDF : 14 Pages
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TFDS4400
Vishay Semiconductors
Electrical Characteristics
Tamb = 25_C, VCC = 2.7 V to 5.5 V unless otherwise noted.
Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
Parameters
Test Conditions / Pins
Symbol Min. Typ. Max. Unit
Transceiver
Supply Voltage
Receive Mode
Transmit Mode, R2 = 47 W
VCC1
2.7
2.0
(see Recommended Applica-
tion Circuit)
5.5
V
5.5
V
Supply Current Pin VCC1
(Receive Mode)
Supply Current Pin VCC1
(avg) (Transmit Mode)
Leakage Current of IR
Emitter, IRED Anode Pin
Transceiver Power On
Settling Time
VCC1 = 5.5 V
VCC1 = 2.7 V
IIRED = 210 mA
(at IRED Anode Pin)
VCC1 = 5.5 V
VCC1 = 2.7 V
VCC1 = OFF, TXD = LOW,
VCC2 = 6 V, T = 25 to 85°C
ICC1 (Rx)
ICC1 (Tx)
IL (IREDA)
TPON
1.3
2.5
mA
1.0
1.5
mA
5.0
5.5
mA
3.5
4.5
mA
0.005 0.5
µA
50
µs
Optoelectronic Characteristics
Tamb = 25_C, VCC = 2.7 V to 5.5 V unless otherwise noted.
Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
Parameters
Test Conditions
Symbol Min. Typ.
Receiver
Minimum Detection BER = 10–8 (IrDA Specification)
Threshold Irradiance a = ±15°, SIR Mode, SC = LOW
Ee
20
a = ±15°, SIR Mode, SC = HIGH
Ee
6
10
Maximum Detection a = ±90°, SIR Mode, VCC1 = 5 V
Ee
3.3
5
Threshold Irradiance a = ±90°, SIR Mode, VCC1 = 3 V
Ee
8
15
Logic LOW Receiver SC = HIGH or LOW
Ee
Input Irradiance
Output Voltage –
Rxd
Output Current –
Rxd
Active, C = 15 pF, R = 2.2 kW
Non–active, C = 15 pF, R = 2.2 kW
VOL < 0.8 V
VOL
VOH
IOL
0.5
VCC1–0.5
4
Rise Time – Rxd
Fall Time – Rxd
Pulse Width – Rxd
Output
C = 15 pF, R = 2.2 kW
C = 15 pF, R = 2.2 kW
Input pulse width = 1.6 µs,
115.2 kbit/s
tr (Rxd)
tf (Rxd)
tPW
20
20
1.41
Jitter, Leading Edge Over a Period of 10 bit, 115.2 kbit/s
ti
of Output Signal
Latency
tL
100
Max. Unit
35 mW/m2
15 mW/m2
kW/m2
kW/m2
4 mW/m2
0.8
V
V
mA
1400 ns
200
ns
8
µs
2
µs
500
µs
www.vishay.com
4 (14)
Document Number 82524
Rev. A1.5, 31-May-00
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