ASDL-3212-021 Avago Technologies US Inc., ASDL-3212-021 Datasheet - Page 3

• Manufacturer Part Number: ASDL-3212-021
• Description: Infrared Transceivers SFF MIR Front w/o Shield
• Manufacturer: Avago Technologies US Inc.

Specifications of ASDL-3212-021

• Wavelength: 870 nm, 875 nm
• Continual Data Transmission: 1.152 Mbit/s
• Transmission Distance: 50 cm
• Radiant Intensity: 80 mW/sr
• Half Intensity Angle Degrees: 15 deg
• Pulse Width: 1.5 us, 1.6 us
• Maximum Rise Time: 60 ns, 600 ns
• Maximum Fall Time: 60 ns, 600 ns
• Led Supply Voltage: 0 V to 6 V
• Maximum Forward Current: 60 mA
• Operating Voltage: 2.4 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 25 C
• Dimensions: 7 mm x 2.73 mm x 1.64 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Recommended Application Circuit Components
Note:
7. CX1 & CX2 must be placed within 0.7cm of ASDL-3212 to obtain
I/O Pins Con guration Table
Note:
1. Tied through external resistor, R1, to Vled. Refer to the table below for recommended series resistor value.
2. This pin is used to transmit serial data when SD pin is low. If held high for longer than 50 Ps, the LED is turned o . Do NOT oat this pin.
3. This pin is capable of driving a standard CMOS or TTL load. No external pull-up or pull-down resistor is required. The pin is in tri-state when the
4. Complete shutdown of IC and PIN diode. Do NOT oat this pin.
5. Regulated, 2.4V to 3.6V
6. Connect to system ground.
3
R1
CX2
CX1, CX3
Pin
1
2
3
4
5
6
optimum noise immunity
transceiver is in shutdown mode
CAUTION: The BiCMOS inherent to the design of this component increases the component’s susceptibility to
damage from electrostatic discharge (ESD). It is advised that normal static precautions be taken in handling
and assembly of this component to prevent damage and/or degradation which may be induced by ESD.
Symbol
LEDA
TxD
RxD
SD
Vcc
GND
Recommended Value
2.7Ω ± 5%,0.25 watt for 2.4 ≤ VLED < 2.6
3.3Ω ± 5%,0.25 watt for 2.6 ≤ VLED < 2.8
3.9Ω ± 5%,0.25 watt for 2.8 ≤ VLED < 3.0
4.7Ω ± 5%,0.25 watt for 3.0 ≤ VLED < 3.3
5.6Ω ± 5%,0.25 watt for 3.3 ≤ VLED < 3.5
6.8Ω ± 5%,0.25 watt for 3.5 ≤ VLED < 3.8
8.2Ω ± 5%,0.25 watt for 3.8 ≤ VLED < 4.2
10Ω ± 5%,0.25 watt for 4.2 ≤ VLED < 4.7
12Ω ± 5%,0.25 watt for 4.7 ≤ VLED < 5.0
100 nF, ± 20%, X7R Ceramic
6.8 PF, ± 20%, Tantalum
Description
LED Anode
IrDA transmitter data input.
IrDA receive data
Shutdown
Supply Voltage
Ground
I/O Type
Input, Active High
Output, Active Low
Input, Active High
Note
7
7
Notes
Note 1
Note 2
Note 3
Note 4
Note 5
Note 6
Figure 2. Pin out
6
5
Rear View
4
3
2
1