hsdl3602 Avago Technologies, hsdl3602 Datasheet - Page 3

• Manufacturer Part Number: hsdl3602
• Description: Agilent Hsdl-3602 Irda Data 1.4 Compliant 4 Mb/s 3v Infrared Transceiver
• Manufacturer: Avago Technologies

Transceiver Control Truth Table
Mode 0
1
0
0
1
0
0
1
X = Don't Care
Transceiver I/O Truth Table
Transceiver Mode
Active
Active
Active
Active
Shutdown
X = Don't Care
Notes:
1. In-Band EI 115.2 kb/s and FIR_SEL = 0.
2. In-Band EI 0.576 Mb/s and FIR_SEL = 1.
3. Logic Low is a pulsed response. The condition is maintained for duration dependent on the
4. To maintain low shutdown current, TXD needs to be driven high or low and not left floating.
3
Recommended Application Circuit Components
Component
R1
CX1
CX2
Notes:
5. CX1 must be placed within 0.7 cm of the HSDL-3602 to obtain optimum noise immunity.
6. In "HSDL-3602 Functional Block Diagram" on page 3 it is assumed that Vled and V
pattern and strength of the incident intensity.
same supply voltage and filter capacitors. In case the 2 pins are powered by different supplies
CX2 is applicable for Vled and CX1 for V
including CX2 on the V
[5]
[6]
Mode 1
0
0
1
1
0
1
1
EI = In-Band Infrared Intensity at detector
CC
Recommended Value
2.2
2.7
0.47 F 20%, X7R Ceramic
6.8 F 20%, Tantalum
line can enhance supply rejection performance.
FIR_SEL
X
0
1
X
X
FIR_SEL
X
0
0
0
1
1
1
5%, 0.5 Watt, for 2.7 V
5%, 0.5 Watt, for 3.0 V
CC
. In environments with noisy power supplies,
RX Function
Shutdown
SIR
SIR
SIR
MIR/FIR
MIR/FIR
MIR/FIR
Inputs
TXD
1
0
0
0
X
[4]
CC
CC
TX Function
Shutdown
Full Distance Power
2/3 Distance Power
1/3 Distance Power
Full Distance Power
2/3 Distance Power
1/3 Distance Power
3.3 V operation
3.6 V operation
EI
X
High
High
Low
Low
CC
[1]
[2]
share the
Outputs
LED
On
Off
Off
Off
Not Valid
RXD
Not Valid
Low
Low
High
Not Valid
[3]
[3]