HSDL-3021-021 Avago Technologies US Inc., HSDL-3021-021 Datasheet - Page 25

• Manufacturer Part Number: HSDL-3021-021
• Description: Infrared Transceivers FIR + RC
• Manufacturer: Avago Technologies US Inc.

Specifications of HSDL-3021-021

• Wavelength: 885 nm
• Continual Data Transmission: 4 Mbit/s
• Transmission Distance: 50 cm
• Radiant Intensity: 4 mW/sr
• Half Intensity Angle Degrees: 30 deg
• Pulse Width: 4 us, 1.6 us
• Maximum Rise Time: 40 ns, 600 ns
• Maximum Fall Time: 40 ns, 600 ns
• Led Supply Voltage: 0 V to 6.5 V
• Operating Voltage: 2.4 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 25 C
• Dimensions: 8 mm x 3 mm x 2.5 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

25
Power-Up Sequencing
To have a proper operation for HSDL-3201, the
following power-up sequencing must be followed.
a) It is strongly recommended that V
b) It is not recommended to turn on IOV
prior to IOV
V
that IOV
SD pin has to be set high to assure proper
functionality.
Note:
t
t
t
IOV
IOV
IOV
SDDL
SDPW
CC
V
V
CC
CC
SD
CC
CC
SD
CC
while SD is low. However, for application
DL
= SD delay time
= shutdown input pulse width
= IOV
CC
comes prior to V
CC
CC
.
delay time
t
IOV
CC
t
CC
SDDL
t
DL
SDDL
while SD is low,
0 s
CC
30 s
t
t
30 s
SDPW
SDPW
must come
CC
before
30 s
30 s
c) Setting IOV
IOV
V
is forbidden.
SD
CC
CC
CC
high before V
CC
while SD is high