HSDL-3201
IrDA
®
Data 1.4 Low Power Compliant
115.2 kb/s Infrared Transceiver
Data Sheet
Features
Ultra small surface mount package
Minimal height: 2.5 mm
V
CC
from 2.7 to 3.6 volts
Withstands > 100 mV
p-p
power supply ripple
LED supply voltage can range from 2.7 to 6.0
volts
• Low shutdown current
– 20 nA typical
• Lead-free and RoHS compliant
•
•
•
•
•
• Complete shutdown
– TxD, RxD, PIN diode
• One optional external component
• Temperature range:
-25°C to 85°C
• 32 mA LED drive current
• Integrated EMI shield
• IEC825-1 Class 1 eye safe
• Edge detection input
– Prevents the LED from long turn on time
CELL PHONES
PAGERS
PDAs
CAMERAS
.4
IrDA 1 R
OWE
LOW P
°I
30
LL
UM
A
IN
TIO
N
CO
NE
.0/1.4
IrDA 1 D OR
AR
STAND WER
W PO
LO
CELL PHONES
PAGERS
PRINTERS
20 CM TO LOW POWER DEVICES
30 CM TO STANDARD DEVICES
PCs
PDAs
CAMERAS
Applications
• Mobile telecom
– Cellular phones
– Pagers
– Smart phones
• Data communication
– PDAs
– Portable printers
• Digital imaging
– Digital cameras
– Photo-imaging printers
Application Circuit
8 VLED
LED
CURRENT
SOURCE
VLED
TXD
7 TXD
RXD
SHUT DOWN
6 RXD
5 SD
SHIELD
4 AGND
Description
The HSDL-3201 is one of a new
generation of low-cost Infrared (IR)
transceiver modules from Avago
Technologies. It features the smallest
footprint in the industry at 2.5 H x 8.0
W x 3.0 D mm. Although the supply
voltage can range from 2.7 V to 3.6 V,
the LED drive current is internally
compensated to a constant 32 mA to
assure that link distances meet the
IrDA Data 1.4 (low power) physical
layer specifications.
The HSDL-3201 meets the 20 cm link
distance to other IrDA 1.4 low power
devices, and a 30 cm link distance to
IrDA 1.4 standard devices.
V
CC
C1
1.0 µF
3
2
V
CC
NC
RX PULSE
SHAPER
1 GND
I/O Pins Configuration Table
Pin
1
2
3
4
5
6
7
Symbol
GND
NC
V
CC
AGND
SD
RXD
TXD
Description
Ground
No Connection
Supply Voltage
Analog Ground
Shut Down
Active High
Receiver Data
Output. Active Low.
Transmitter Data
Input. Active High.
Notes
Connect to system ground.
This pin must be left unconnected.
Regulated: 2.7 to 3.6 Volts
Connect to a “quiet” ground.
This pin must be driven either high or
low. Do NOT float the pin.
Output is a low pulse for 2.4
μs
when a light pulse is seen.
Logic high turns the LED on. If held
high longer than ~ 20
μs,
the LED is
turned off. TXD must be driven high
or low. Do NOT float the pin.
May be unregulated: 2.7 to 6.0 volts.
Connect to system ground via a low
inductance trace. For best
performance, do not directly connect
to GND or AGND at the part.
HSDL-3201#021 Pinout,
Rear View
8
-
VLED
SHIELD
LED Voltage
EMI Shield
8
7
6
5
4
3
2
1
HSDL-3201#008 Pinout,
Rear View
8
7
6
5
4
3
2
1
2
Recommended Application Circuit Components
Component
C1
Recommended Value
1.0
μF
Note
1
Shutdown Mode Notes
When the HSDL-3201 is in Shutdown
Mode (SD pin high), the part presents
different impedances to the rest of the
circuit than when it is in normal mode.
RXD Pin:
This pin is NOT Tri-state.
During shutdown the equivalent circuit
is a weak pullup (~300 kΩ) to V
CC
. The
ESD protection diodes to V
CC
and
Ground are also present.
TXD Pin:
Input protection diodes are
present.
VLED Pin:
Possible leakage current of
1.5 nA.
SD Pin:
Will draw approximately 16 nA
when driven high.
Absolute Maximum Ratings
For implementations where case to ambient thermal resistance is
≤
50°C/W.
Parameter
Storage Temperature
Operating Temperature
LED Supply Voltage
Supply Voltage
Input Voltage: TXD, SD
Output Voltage: RXD
Solder Reflow
Temperature Profile
Symbol
T
S
T
A
V
VLED
V
CC
V
I
V
O
Min.
Max.
-40
100
-25
85
-0.5
6
7
-0.5
7
6
0
6
V
CC
+ 0.5
-0.5
6
V
CC
+ 0.5
See Reflow Profile, page 19
Units
°C
°C
V
V
V
V
Transceiver I/O Truth Table
The LED and RXD outputs are
controlled by the combination of the
TXD and SD pins and light falling on
the receiver. As shown in the table
below, the transmitter is non-
inverting; the LED is on when the TXD
pin is high and off when TXD is low.
The receiver is inverting; the RXD pin
is low during IrDA signal pulses and
high when the receiver does not see
any light. When shutdown (SD pin
high), the LED is off (the state of the
TXD pin does not matter), and the
RXD pin is pulled high with a weak
internal pullup.
Marking Information
The unit is marked with the letter “A”
and “YWWLL” on the shield for front
options where Y is the last digit of the
year, WW is the workweek, and LL is the
lot information. For top options, the
part is marked as “YWW” where Y is the
last digit of the year, and WW is the
workweek.
SD
Low
High
TXD
High
Low
Don’t care
LED
On
Off
Off
Receiver
Don’t care
IrDA Signal
No Signal
Don’t care
RXD
Not Valid
Low
High
High
Notes
2, 3
4, 5
6
Ordering Information
Specify the part number followed by
an option number.
HSDL-3201#XXX
There are two options available:
Front Options
#021
Taped and 13” Reel
Packaging, 2500 per reel
Top Options
#008
Taped and 13” Reel
Packaging, 2500 per reel
Caution:
The BiCMOS inherent to this 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.
3
Recommended Operating Conditions
Parameter
Symbol
Operating Temperature
T
A
Supply Voltage
V
CC
LED Supply Voltage
V
LED
TXD, SD Input
Logic High
V
IH
Voltage
Logic Low
V
IL
Receiver Input
Logic High
EI
H
Irradiance
Logic Low
EI
L
Receiver Data Rate
Min.
-25
2.7
2.7
VCC-0.5
2/3 V
CC
0
0.0081
2.4
9.6
Max.
85
3.6
5
6.0
V
CC
VGND+0.4
1/3 V
CC
500
0.3
115.2
Units
°
C
Conditions
Notes
V
V
V
V
mW/cm
2
μW/cm
2
kb/s
For in-band signals.
For in-band signals.
7
7
RXD Output Waveform
t
pw
V
OH
90%
50%
V
OL
10%
Receiver Wakeup Time Definition
SD
RX
LIGHT
RXD
t
f
t
r
t
RW
LED Optical Waveform
t
pw
LED ON
Transmitter Wakeup Time Definition
SD
90%
50%
10%
TXD
LED OFF
t
r
t
f
TX
LIGHT
t
TW
TXD “Stuck ON” Protection
TXD
LED
t
pw (MAX.)
4
Electrical & Optical Specifications
Specifications hold over the recommended operating conditions unless otherwise noted. Unspecified test conditions
may be anywhere in their operating range. All typical values are at 25°C and 3.0 V unless otherwise noted.
Parameter
Receiver
Viewing Angle
Peak Sensitivity
Wavelength
RXD Output Logic High
Voltage
Logic Low
RXD Pulse Width
RXD Rise Time
RXD Fall Time
Receiver Latency Time
Receiver Wake Up Time
Transmitter
Radiant Intensity
Viewing Angle
Peak Wavelength
Spectral Line Half Width
Optical Pulse Width
Max. Optical Pulse Width
Optical Rise Time
Optical Fall Time
TXD Logic
High
Levels
Low
TXD Input
High
Current
Low
LED
On
Current
Off
Shutdown
Transmitter Wake Up Time
Transceiver
SD Logic
High
Levels
Low
SD Input
High
Current
Low
DC Supply
Shutdown
Current
Idle
AC Supply
Active,
Current
Receive
Active,
Transmit
Notes at top of next page.
Symbol
2f1/2
lp
V
OH
V
OL
t
PW
t
R
t
F
t
L
t
RW
EI
H
2q1/2
l
p
Dl1/2
t
OPW
t
OPWM
t
OR
t
OF
V
IH
V
IL
I
H
I
L
I
VLED
I
VLED
I
VLED
t
TW
V
IH
V
IL
I
H
I
L
I
CC1
I
CC2
I
CC3
I
CC4
Min.
30
Typ.
Max.
Units
°
nm
Conditions
Note
880
V
CC
-0.2
0
2.0
2.45
50
50
11
30
16
50
25
28
200
4
30
9
875
35
1.6
20
180
180
V
CC
0.4
3.0
120
20
80
25
100
50
40
500
28.8
37.3
60
V
V
μs
ns
ns
μs
μs
I
OH
=-200
μA,
EI
≤
0.3
μW/cm
2
I
OL
=200
μA
t
PW
(EI)=1.6
μs,
C
L
=10 pF
t
PW
(EI)=1.6
μs,
C
L
=10 pF
8
8
9
10
T
A
= 25°C,
q
1/2
≤
15°, TXD
≥
2/3 V
CC
VCC-0.5
1.41
2/3 V
CC
VCC-0.5
0
25
-15
35
32
1.5
1.5
12
2/3 V
CC
VCC-0.5
0
mW/Sr
°
nm
nm
2.23
μs
30
μs
600
ns
600
ns
V
CC
V
VGND+0.4
V
1/3 V
CC
nA
nA
mA
nA
nA
20
μs
t
PW
(TXD) = 1.6
μs
TXD pin stuck high
t
PW
(TXD) = 1.6
μs
t
PW
(TXD) = 1.6
μs
VCC-0.5
V
I
≥
2/3 V
CC
VGND+0.4
0
≤
V
I
≤
1/3 V
CC
VCC-0.5
V
VLED
=V
CC
=3.6 V, V
I
(TXD)
≥
2/3 V
CC
VGND+0.4
V
VLED
=V
CC
=3.6 V, V
I
(TXD)
≤
1/3 V
CC
V
I
(SD)
≥
2/3 V
CC
VCC-0.5
11
V
CC
V
1/3 V
CC
VGND+0.4
V
16
nA
10
-150
nA
20
200
nA
100
μA
0.8
3.0
mA
9.0
mA
VCC-0.5
V
I
≥
2/3 V
CC
0
≤
V
I
≤
1/3 V
CC
VGND+0.4
V
CC
=3.6 V,V
SD
≥
V
CC
- 0.5, T
A
=25
°
C
VGND+0.4,EI=0
V
CC
=3.6 V, V
I
(TXD)
≤
1/3 V
CC
, EI=0
V
CC
=3.6 V, V
I
(TXD)
≤
1/3 V
CC
VGND+0.4
12,13
14
V
CC
=3.6 V, V
I
(TXD)
≥
2/3 V
CC
VCC-0.5
5
详细参数
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