ZiLOG Worldwide Headquarters 532 Race Street San Jose, CA 95126-3432
Telephone: 408.558.8500 Fax: 408.558.8300
www.ZiLOG.com
Preliminary Product Specification
PS016404-0903
ZHX1203
SIR UltraSlim
TM
Transceiver (IrMC)
P R E L I M I N A R Y
PS016403-0603
This publication is subject to replacement by a later edition. To determine whether
a later edition exists, or to request copies of publications, contact:
ZiLOG Worldwide Headquarters
532 Race Street
San Jose, CA 95126-3432
Telephone: 408.558.8500
Fax: 408.558.8300
www.ZiLOG.com
ZiLOG is a registered trademark of ZiLOG Inc. in the United States and in other countries. All other
products and/or service names mentioned herein may be trademarks of the companies with which
they are associated.
Document Disclaimer
2003 by ZiLOG, Inc. All rights reserved. Information in this publication concerning the devices,
applications, or technology described is intended to suggest possible uses and may be superseded.
ZiLOG, INC. DOES NOT ASSUME LIABILITY FOR OR PROVIDE A REPRESENTATION OF
ACCURACY OF THE INFORMATION, DEVICES, OR TECHNOLOGY DESCRIBED IN THIS
DOCUMENT. ZiLOG ALSO DOES NOT ASSUME LIABILITY FOR INTELLECTUAL PROPERTY
INFRINGEMENT RELATED IN ANY MANNER TO USE OF INFORMATION, DEVICES, OR
TECHNOLOGY DESCRIBED HEREIN OR OTHERWISE. Devices sold by ZiLOG, Inc. are covered
by warranty and limitation of liability provisions appearing in the ZiLOG, Inc. Terms and Conditions of
Sale. ZiLOG, Inc. makes no warranty of merchantability or fitness for any purpose. Except with the
express written approval of ZiLOG, use of information, devices, or technology as critical components
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document under any intellectual property rights.
ZHX1203
SIR UltraSlim Transceiver (IrMC)
PS016404-0903
P R E L I M I N A R Y
iii
Table of Contents
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
VCC Positive Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
GND Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
SD Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
RxD Receive Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
TxD Transmit Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
LEDA LED Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
TAB Shield Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Application Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Electrical and Timing Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
ZHX1203 Tape and Reel Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
ZHX1203 Soldering and Cleaning Recommendations . . . . . . . . . . . . . . . . . . . . 9
Reflow Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Manual Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Moisture Prevention Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Baking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Mechanical Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Customer Feedback Form . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Customer Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Product Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Return Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Problem Description or Suggestion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
ZHX1203
SIR UltraSlim Transceiver (IrMC)
PS016404-0903
P R E L I M I N A R Y
iv
List of Figures
Figure 1. UltraSlim Form . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Figure 2. ZHX1203 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Figure 3. ZHX1203 Application Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . 4
Figure 4. ZHX1203 Reel Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 5. ZHX1203 Tape Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 6. Temperature Profile for the Top Surface . . . . . . . . . . . . . . . . . . . . . . 9
Figure 7. ZHX1203 Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 8. ZHX1203 Mechanical Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
List of Tables
Table 1.
ZHX1203 Transceiver Pin Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Table 2.
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Table 3.
Recommended Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . 5
Table 4.
Receiver Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Table 5.
Transmitter Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 6
Table 6.
Transceiver Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 7
ZHX1203
SIR UltraSlim Transceiver (IrMC)
PS016404-0903
P R E L I M I N A R Y
1
Description
The ZILOG ZHX1203 for mobile phones, pagers, and PDAs is the smallest, low-
est power, and highest functional transceiver in its class.
Communication takes place at the low receive current consumption of 100 A
(typical). The ZHX1203MB features only the low receive current consumption of
100 A (typical).
The UltraSlim form factor (7.3 mm long x 2.8 mm wide x 1.9 mm high) allows
placement in virtually any small device (see Figure 1). Application circuit space is
also minimized because only two external components are required.
Figure 1. UltraSlim Form
The ZHX1203 is designed to support IrDA-Data SIR mode, which at 115 Kbits/s
provides the capability for the user to share phone numbers, addresses, and
notes as well as linking a PC to the internet via a mobile telephone.
The transceiver combines an IRED emitter, a photodiode, and a unique driver/
control ASIC in a single package, as shown in Figure 2. The ZILOG ZHX1203
also features a shutdown control that minimizes current draw to 0.1
A typical.
Figure 2. ZHX1203 Block Diagram
ZHX1203
SIR UltraSlim Transceiver (IrMC)
PS016404-0903
P R E L I M I N A R Y
2
Features
Compliant to IrDA Data Specification 1.4 Low Power SIR (link range: low
power to low power--0 to 20 cm; standard power to low power--0 to 30 cm)
Low-power supply voltage range: 2.4 V to 3.6 V
ZHX1203MB receive current: 100
A (typical)
UltraSlim package: 7.3 mm long x 2.8 mm wide x 1.9 mm high
Only two external components
Extended operating temperature range: 30 C to +85 C
Internal current source eliminates need for a current-limiting resistor for IR
LED
Meets IEC 825-1 Class 1 eye safety specifications
Pin Description
Table 1 lists the pin out for the ZHX1203 transceiver. The pins are described in
this section.
V
CC
Positive Supply
(Power)
Connect to positive power supply (2.43.6 V). Filter with a 1.0-
F ceramic bypass
capacitor and terminating resistor as close as possible to the V
CC
pin.
Table 1. ZHX1203 Transceiver Pin Out
Pin
Name
Function
I/O
1
NC
NC (future use)
--
2
V
CC
Supply voltage
--
3
GND
Ground
--
4
SD
Shutdown
I
5
RxD
Receiver output
O
6
TxD
Transmitter input
I
7
LEDA
IRED anode
--
--
TAB
Shield connection
--
ZHX1203
SIR UltraSlim Transceiver (IrMC)
PS016404-0903
P R E L I M I N A R Y
3
GND Ground
(Power)
Connect to ground of the power supply. A solid ground plane is recommended for
proper operation.
SD Shutdown
(Input, active high)
This input is used to place the IC into a shutdown mode.
TxD needs to be driven low to achieve low shutdown current.
RxD Receive Data
(Output, active low)
This output provides received serial data. It is a tri-state, slew rate controlled
CMOS output (tri-stated during shutdown) driver capable of driving a standard
CMOS or LS series TTL load. No external resistor is required.
TxD Transmit Data
(Input, active high)
This CMOS input is used to transmit serial data and has an internal pull-down
resistor that is enabled only during shutdown.
LEDA LED Driver
(Power)
This output is internally connected to the LED anode and contains an internal
current source. The voltage range on this pad is 2.14.2 volts.
TAB
Shield Connection
The shield tab must be soldered to ground for proper operation.
ZHX1203
SIR UltraSlim Transceiver (IrMC)
PS016404-0903
P R E L I M I N A R Y
4
Application Block Diagrams
Figure 3 shows the application block diagrams for the ZHX1203 transceiver.
Figure 3. ZHX1203 Application Block Diagrams
ZHX1203
SIR UltraSlim Transceiver (IrMC)
PS016404-0903
P R E L I M I N A R Y
5
Electrical and Timing Specifications
Table 2 through Table 6 list the electrical and timing specifications.
Table 2. Absolute Maximum Ratings
Parameter
Symbol
Min
Max
Unit
Comment
Supply voltage
V
CC
0.3
3.6
V
V
CC
, GND
Supply voltage
V
LED
0.3
4.4
V
Input voltage
V
IN
GND0.3
V
CC
+0.3
V
TxD, SD
Output (Ext.) voltage V
OUT
GND0.3
V
CC
+0.3
V
RxD
Storage temperature T
ST
40
100
C
Solder temperature
T
SOL
240
C
See page 9.
ESD
400
V
Table 3. Recommended Operating Conditions
Parameter
Symbol
Min
Max
Unit
Supply voltage
V
CC
2.4
3.6
V
Supply voltage, LEDA
V
LED
2.1
4.2
V
Ambient operating temperature
T
OP
30
85
C
Table 4. Receiver Electrical Characteristics
Parameter
Symbol Condition
Min
Typical
Max
Unit
Remarks
High-level output
voltage
V
OH
I
OH
=100
A
V
CC
0.4
V
RxD
Low-level output
voltage
V
OL
I
OL
=100
A
0.4
V
RxD
RxD rise/fall time
T
r
, T
f
Cload=25 pF
100
ns
10% and 90%
RxD pulse width
t
PWA
SIR<115.2 Kbps
1
5
s
Input pulse=1.6
s; rise/fall
time<600 ns
RxD pulse width,
alternate 3/16
th
of
pulse duration. See
IrDA Physical Layer
specs.
t
PWA
9.6<SIR<115.2
Kbps
TBD
TBD
s
Input pulse=19.53
s (3/16*(1/9600))
ZHX1203
SIR UltraSlim Transceiver (IrMC)
PS016404-0903
P R E L I M I N A R Y
6
Startup time
T
STU
300
s
Latency
T
RRT
25
50
s
Minimum input
irradiance
E
emin
V
CC
=3.3 V
9
W/cm
2
h,
v<(+15
)
Maximum input
irradiance
E
emax
V
CC
=3.3 V
500
mW/cm
2
h,
v<(+15
)
Logic low input
irradiance
E
eL
V
CC
=3.3 V
0.3
W/cm
2
Peak wavelength
870
nm
Unless otherwise noted: V
CC
=3.3 V, GND=0 V, TA=25
C
Table 5. Transmitter Electrical Characteristics
Parameter
Symbol Condition
Min
Typical
Max
Unit
Remarks
High-level input
voltage
V
IH
0.75V
CC
V
TxD
Low-level input
voltage
V
IL
0.4
V
TxD
Transmitter current
I
LED
40
65
mA
LEDA pin
Startup time
T
STU
20
s
LED protection
timeout
130
270
s
Protects LED
when TxD is left
high
Trans. radiant
intensity
I
E
3.6
72
mW/sr
h,
v<(+15
)
Peak wavelength
870
nm
Input leakage TxD
pin
I
IL
V
IN
=0 V, V
CC
1
1
A
Optical pulse width
t
OW
9.6115.2 kb/s
1.39
30
s
Optical rise time
t
OR
9.6115.2 kb/s
100
600
s
Table 4. Receiver Electrical Characteristics (Continued)
Parameter
Symbol Condition
Min
Typical
Max
Unit
Remarks
ZHX1203
SIR UltraSlim Transceiver (IrMC)
PS016404-0903
P R E L I M I N A R Y
7
To minimize power dissipation, the part has been designed for optimal
operation in 1.6 s mode. If the part is used in the 3/16
th
pulse duration
mode, some devices might exhibit a phantom RxD pulse at 9.6 Kbits/s.
This component is susceptible to damage from electrostatic discharge
(ESD). To prevent damage and/or degradation that might be induced
by ESD, use normal static precautions in handling and assembly of
this component.
Optical fall time
t
OF
9.6115.2 kb/s
100
660
s
TxD pulldown
resistor
TxD
RP
SD=V
CC
300K
Unless otherwise noted: V
CC
=3.3 V, GND=0 V, TA=25
C
Table 6. Transceiver Electrical Characteristics
Parameter
Symbol Condition
Min
Typical
Max
Unit
Remarks
High-level input
voltage
V
IH
0.75V
CC
V
SD
Low-level input
voltage
V
IL
0.4
V
SD
Receive current
I
CC
100
125
A
Idle
Shutdown current
I
STB
0.1
1.0
A
SD=V
CC
, TxD=0 V
Power shutdown
time
T
SD
200
s
Input leakage SD pin I
IL
V
IN
=0 V, V
CC
1
1
A
Transceiver data
rate
9.6
115.2 kb/s
Unless otherwise noted: V
CC
=3.3 V, GND=0 V, TA=25
C
Table 5. Transmitter Electrical Characteristics (Continued)
Parameter
Symbol Condition
Min
Typical
Max
Unit
Remarks
Note:
Caution:
ZHX1203
SIR UltraSlim Transceiver (IrMC)
PS016404-0903
P R E L I M I N A R Y
8
ZHX1203 Tape and Reel Specifications
Figure 4 shows the ZHX1203 reel specifications, and Figure 5 shows the
ZHX1203 tape specifications.
Figure 4. ZHX1203 Reel Specifications
Figure 5. ZHX1203 Tape Specifications
-
-
-
-
-
-
ZHX1203
SIR UltraSlim Transceiver (IrMC)
PS016404-0903
P R E L I M I N A R Y
9
ZHX1203 Soldering and Cleaning Recommendations
Follow these recommendations to maintain the performance of the ZHX1203
transceiver.
Reflow Soldering
Reflow soldering paste is recommended.
Preheat: 120~150
C, 60 to 120 seconds
Heating up and cooling down: 5
C/second
Maximum number of reflows: 2
The temperature profile at the top surface of the ZHX1203 transceiver, shown
in Figure 6, is recommended.
Figure 6. Temperature Profile for the Top Surface
Manual Soldering
Use 63/37 or silver solder.
Temperature at solder iron tip: no more than 280
C
Finish soldering within 3 seconds.
Handle only after the ZHX1203 has cooled off.
Cleaning
Perform cleaning under the following conditions:
Cleaning agent: alcohol
Temperature and time 30 seconds below 50
C or 3 minutes below 30
C
Ultrasonic cleaning: below 20 W
ZHX1203
SIR UltraSlim Transceiver (IrMC)
PS016404-0903
P R E L I M I N A R Y
10
Moisture Prevention Guidelines
To avoid moisture absorption during transportation and storage, ZHX1203 reels
are packed in aluminum envelopes (see Figure 7) that contain a desiccant with a
humidity indicator. While this packaging is an impediment to moisture absorption,
it is by no means absolute, and no warranty is implied. The user must store these
parts in a controlled environment to prevent moisture entry. Please read the label
on the aluminum bag for indicator instructions.
Figure 7. ZHX1203 Packaging
Baking
It is recommended that parts that have been stored over 12 months or unpacked
over 72 hours be baked under the following guidelines.
Reels
60 C for 48 hours or more
Loose Parts
100 C for 4 hours or more
or
125 C for 2 hours or more
or
150 C for 1 hour or more
ZHX1203
SIR UltraSlim Transceiver (IrMC)
PS016404-0903
P R E L I M I N A R Y
11
Mechanical Drawing
Figure 8 shows the mechanical specification for the ZHX1203 transceiver.
Figure 8. ZHX1203 Mechanical Drawing
The ZHX1203 family of transceivers are marked as follows:
ZHX1203MB = Z1203
Note:
ZHX1203
SIR UltraSlim Transceiver (IrMC)
PS016404-0903
P R E L I M I N A R Y
12
Ordering Information
Use the following information to order the ZHX1203 transceiver:
Customer Feedback Form
If you experience any problems while operating this product, or if you note any inaccura-
cies while reading this product specification, please copy and complete this form, then
mail or fax it to ZiLOG (see Return Information, below). We also welcome your sugges-
tions!
Customer Information
Product Information
Return Information
ZiLOG
System Test/Customer Support
532 Race Street
San Jose, CA 95126-3432
Fax: (408) 558-8300
Customer Service: www.zilog.com
Problem Description or Suggestion
Provide a complete description of the problem or your suggestion. If you are reporting a
specific problem, include all steps leading up to the occurrence of the problem. Attach
additional pages as necessary.
ZHX1203MB115THTR without AlwaysOn Listen
3500 per reel
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Country
Company
Phone
Address
Fax
City/State/Zip
email
Serial # or Board Fab #/Rev #
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