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ZHX1820
Slim Series SIR Top Look Transceiver
Product Specification
PS016005-0204
ZiLOG Worldwide Headquarters * 532 Race Street * San Jose, CA 95126-3432 Telephone: 408.558.8500 * Fax: 408.558.8300 * www.ZiLOG.com
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
(c)2004 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concerning the devices, applications, or technology described is intended to suggest possible uses and may be superseded.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 of life support systems is not authorized. No licenses are conveyed, implicitly or otherwise, by this document under any intellectual property rights.
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ZHX1820 Slim SIR Top Look Transceiver
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Table of Contents
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LEDA LED Driver Anode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TXD Transmit Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RXD/Receive Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SD Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VCC Positive Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3 3 3 3 3 3
Recommended Application Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Electrical and Timing Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Mechanical Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Soldering and Cleaning Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . Reflow Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Manual Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Packing, Storage, and Baking Recommendations . . . . . . . . . . . . . . . . . . . . . . Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Baking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Moisture-Proof Packing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 10 10 11 11 11 11 12
Taping Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Customer Feedback Form . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Customer Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Product Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Return Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Problem Description or Suggestion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 18 18 18 18
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Table of Contents
ZHX1820 Slim SIR Top Look Transceiver
iv
List of Figures
Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. Figure 6. Figure 7. Figure 8. Figure 9. Figure 10. Figure 11. Figure 12. Figure 13. Figure 14. Slim SIR Transceiver Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . 2 Application Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 IF-Ie Characteristics (0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 IF-LEDA Characteristics (0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Directive Characteristics (Emitting) . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Directive Characteristics (Receiving) . . . . . . . . . . . . . . . . . . . . . . . . . 7 ZHX1820 Mechanical Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Alternate ZHX1820 Mechanical Drawing . . . . . . . . . . . . . . . . . . . . . . 9 Temperature Profile at the Top Surface of ZHX1820 . . . . . . . . . . . 10 ZHX1820 Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 ZHX1820 Reel Dimensions (Unit: mm) . . . . . . . . . . . . . . . . . . . . . . 13 Alternate ZHX1820 Reel Dimensions (Unit: mm) . . . . . . . . . . . . . . 14 ZHX1820 Tape Dimensions and Configuration (Unit: mm) . . . . . . . 15 Alternate ZHX1820 Tape Dimensions and Configuration (Unit: mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
List of Tables
Table 1. Table 2. Table 3. Table 4. Pin Out for the ZHX1820 Transceiver . . . . . . . . . . . . . . . . . . . . . . . . Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Recommended Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 5 5 5
PS016005-0204
List of Figures
ZHX1820 Slim SIR Top Look Transceiver
1
Description
The ZILOG ZHX1820 is a low-profile version of ZiLOG's popular ZHX1010 1-meter transceiver. Packaged in the "top-look" configuration (that is, the lens axis is perpendicular to the mounting surface), the transceiver is mechanically enhanced for ultra compact, power-conscious portable products, such as portable printers, handheld computers, and personal data assistants (PDAs). Designed to operate using the IrDA-Data mode, the transceiver combines an infrared emitting diode (IRED) emitter, a PIN photodiode detector, a digital AC coupled LED driver, and a receiver/decoder in a single package. The ZILOG ZHX1820 provides an efficient implementation of the SIR standard in a small-outline footprint format. Application circuit space is also minimized, as only three components are required. ZHX1820 also features an independently controlled shutdown that minimizes current draw to a maximum of 1 A.
Features * * * * * * * * *
Compliant to IrDA Data Specification SIR Wide power supply voltage range, 2.4 to 5.5 V Low-power, listening current, 90 A (typical) at 3.0 V Slim form factor (9.0 mm long x 3.65 mm wide x 2.75 mm high) Only two external components required Telecom operating temperature range (-30 C to +85 C) with the ZHX1820TV115THTR Extended operating temperature range (-40 C to +85 C) with the ZHX1820TV115XHTR 0 to 1 meter minimum link distance; 0 to 1.5 meters typical (-30 C to +85 C) - 0 to 80 cm minimum link distance; 0 to 1.2 meters typical (below 30 C) Meets IEC 825-1 Class 1 Eye Safety Specifications
PS016005-0204
ZHX1820 Slim SIR Top Look Transceiver
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Block Diagram
Figure 1 is the block diagram for the Slim SIR transceiver.
Figure 1. Slim SIR Transceiver Block Diagram
Pin Descriptions
The ZHX1820 transceiver uses the pins listed in Table 1. The pins are described in this section.
Table 1. Pin Out for the ZHX1820 Transceiver Pin 1 2 3 4 5 6 Name LEDA TXD RXD SD VCC GND Function IRED anode Transmitter input Receiver output Enables shutdown mode Supply voltage Ground I/O -- I O I -- --
PS016005-0204
ZHX1820 Slim SIR Top Look Transceiver
3
LEDA LED Driver Anode
(Power) This output is connected to the LED anode. Current to the LED is sourced through an external resistor.
TXD Transmit Data
(Input, active high) This CMOS input is used to transmit serial data. This input has an internal pulldown resistor that is disabled (open-circuited) during shutdown.
RXD/Receive Data
(Output, active low) This output indicates received serial data. It is a tri-state, slew rate controlled CMOS output (tri-stated during shutdown) driver capable of driving a standard CMOS load. No external resistor is required.
SD Shutdown
(Input, active high) This input is used to place the integrated circuit into shutdown mode. Module shutdown current is influenced by the choice of capacitor used from VCC to ground.
VCC Positive Supply
(Power) Connect to positive power supply (2.4-5.5 V). Filter with a 0.33-F ceramic bypass capacitor and terminating resistor as close as possible to the VCC pin.
GND Ground
(Power) Connect to ground of the power supply. A solid ground plane is recommended for proper operation.
PS016005-0204
ZHX1820 Slim SIR Top Look Transceiver
4
Recommended Application Circuits
Figure 2 shows application block diagrams for the ZHX1820 transceiver.
Figure 2. Application Block Diagrams
PS016005-0204
ZHX1820 Slim SIR Top Look Transceiver
5
Electrical and Timing Specifications
Table 2 through Table 4 present the electrical and timing specifications for the ZHX1820 transceiver.
Table 2. Absolute Maximum Ratings Parameter Supply Voltage Input Voltage Output (External) Voltage LED Current Symbol Minimum Maximum Unit Comment Vcc VIN VOUT ILED -0.3 GND-0.3 GND-0.3 6.0 Vcc+0.3 Vcc+0.3 700 V V V mA Vcc, GND TxD, SD RxD 20% duty cycle, Ta=25 C, tON<90 S
Storage Temperature Solder Temperature
TST TSOL
-40
100 240
C C
Table 3. Recommended Operating Conditions Parameter Supply Voltage LED Voltage Ambient Operating Temperature Ambient Operating Temperature * Note: * ZHX1820TV115XHTR only Table 4. Electrical Characteristics Parameter High-Level Input Voltage Low-Level Input Voltage Symbol Condition VIH VIL VOL ILED ICC ICC 300 90 90 150 150 Min 0.6 Vcc -0.5 2.2 0.4 Typical Max Vcc+0.5 0.2 Vcc Unit V V V V mA Remarks TXD, SD TXD, SD RxD RxD Symbol Vcc VLED TOP TOP Minimum 2.4 2.4 -30 -40 Maximum 5.5 6.0 85 85 Unit V V C C
High-Level Output Voltage VOH Low-Level Output Voltage Transmitter Current Listening Current Receive Current
A A
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ZHX1820 Slim SIR Top Look Transceiver
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Table 4. Electrical Characteristics (Continued) Parameter Standby Current Optical Rise/Fall Time RxD Pulse Width Power Shutdown Time Startup Time Receiver Latency Trans. Radiant Intensity Min. Threshold Irradiance Angle of Half Intensity Symbol Condition ISTB tRr, tRf tPWA TSD TSTU TL IE Eemin ILED=260 mA Vcc=3.3 V 40 2 20 40 20 3 870 100 100 3 SIR=115.2 Kbps 1.1 100 1.6 3.9 1 200 Min Typical Max 1 Unit Remarks SD=Vcc, TxD=0 V
A
nS
S S S S
mW/sr h,
v<(+15) h, v<(+15)
W/cm2
nS
Hor. and Vert.
Light Pulse Rise, Fall Time tor, tof Optical Pulse Width Optical Overshoot Peak Wavelength tOPW tOPO
S
% nm
TxD="H"
P
Unless otherwise noted: Vcc=3.3 V, GND= 0 V, TA= 25 C
Figure 3 through Figure 6 show various electrical characteristics.
Figure 3. IF-Ie Characteristics (0)
PS016005-0204
ZHX1820 Slim SIR Top Look Transceiver
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Figure 4. IF-LEDA Characteristics (0)
Figure 5. Directive Characteristics (Emitting)
Figure 6. Directive Characteristics (Receiving)
PS016005-0204
ZHX1820 Slim SIR Top Look Transceiver
8
Mechanical Drawings
In order to achieve the lowest possible lead times, ZiLOG maintains two assembly facilities. The mechanical drawings for these transceivers are shown in Figure 7 and Figure 8. These devices, which show minor mechanical differences, are functionally equivalent in every way and meet all ZiLOG and IrDA standards and specifications. Although reels are never mixed, ZiLOG reserves the right to ship from either facility in order to meet delivery requirements.
8.650
3.43 ref
3.545 ref
Note that this style has a smaller emitter lens than receive lens
Pinout (1) (2) (3) (4) (5) (6)
0.700
TX
2.725 Emitting Center 1.325 2.675
RX
Receiving Center 1.650
SIDE VIEW
0.850 0.900
LED Anode TXD RXD SD VCC GND
2.650
1
2
3
4
5
6
This style has optional side solder vias (ground)
4.325 0.80 Mounting Center
2.370
LENS VIEW
2.580
0.80 0.75 1.750 0.80 0.45 0.775 0.450 3.875 2.325 1.55 0.80 1.55 0.45 1.325 1.425
CONTACTS VIEW
Tolerances for 0.x or 0.xx are +/- 0.25 mm Tolerance for 0.xxx is +/- 0.13 mm
Top Look Solder Pad layout
Figure 7. ZHX1820 Mechanical Drawing
PS016005-0204
ZHX1820 Slim SIR Top Look Transceiver
9
9.0 (ref.)
0.8
Units: mm Tolerance: +/- 0.2
Emitting Center
TX
RX
Receiving Center
Note that this style has a larger emitter lens than receive lens
1.8
1.475
1.35
2.75
0.7 3 3.1
(6)
(5)
(4)
(3)
(2)
(1)
3.875
(3.875)
SIDE VIEW
P1.550.1x5=7.750.1
LENS VIEW
3. 65
CONTACTS VIEW This style does not have side solder vias
3.3
PIN FUNCTION PIN FUNCTION 1 LEDA 4 SD 2 TXD 5 VCC 3 GND RXD 6
4.325
Mounting Center
0.75 0.80 0.45 0.70 1.55 0.45
Top Look Solder Pad layout
Figure 8. Alternate ZHX1820 Mechanical Drawing
PS016005-0204
0.475
ZHX1820 Slim SIR Top Look Transceiver
10
Soldering and Cleaning Recommendations
Follow these recommendations to maintain the performance of the ZHX1820 transceiver.
Reflow Soldering
*
Reflow soldering paste is recommended: Melting temperature: 178 C ~ 192 C Composition: Sn 63%, Pb 37%
* * *
The recommended thickness of the metal mask is between 0.2 mm and 0.25 mm for screen printing. Number of soldering times: 2 times maximum The temperature profile at the top surface of ZHX1820, shown in Figure 9, is recommended.
Figure 9. Temperature Profile at the Top Surface of ZHX1820
Manual Soldering
* * * *
Use 63/37 or silver solder. Use a soldering iron of 25 W or smaller. Adjust the temperature of the soldering iron below 300 C. Finish soldering within 3 seconds. Handle only after ZHX1820 has cooled off.
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ZHX1820 Slim SIR Top Look Transceiver
11
Cleaning
Perform cleaning after soldering 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
Packing, Storage, and Baking Recommendations
Follow these recommendations to maintain the performance of the ZHX1820 transceiver.
Storage
To avoid moisture absorption, ZHX1820 reels must remain in the original, unopened moisture-proof packing. Parts must be soldered within 72 hours after unpacking. Reels that have been unpacked, but will not be soldered within 72 hours, must be stored in a desiccator.
Baking
Parts that have been stored over 12 months or unpacked over 72 hours must 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
PS016005-0204
ZHX1820 Slim SIR Top Look Transceiver
12
Moisture-Proof Packing
In order to avoid moisture absorption during transportation and storage, ZHX1820 reels are packed in aluminum envelopes (see Figure 10) 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 should store these parts in a controlled environment to prevent moisture entry. Please read the label on the aluminum bag for indicator instructions.
Figure 10. ZHX1820 Packaging
PS016005-0204
ZHX1820 Slim SIR Top Look Transceiver
13
Taping Specifications
Figure 11 shows the reel dimensions for the ZHX1820; Figure 12 show the alternate reel dimensions. Figure 13 shows the tape dimensions and configuration for the ZHX1820; Figure 14 shows the alternate tape dimensions and configuration.
Reel Dimensions
2,000 units per reel
(Unit:mm)
DETAIL
330 DIA.
80 1 DIA.
2.0 0.5 R 1.0 LABEL PASTED HERE 21.0 0.8
13.0 0.5
17.5
+ 2.0 - 0.0
2 0.5
Figure 11. ZHX1820 Reel Dimensions (Unit: mm)
PS016005-0204
ZHX1820 Slim SIR Top Look Transceiver
14
(Unit: mm) Tolerance: +0.2
Figure 12. Alternate ZHX1820 Reel Dimensions (Unit: mm)
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ZHX1820 Slim SIR Top Look Transceiver
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Figure 13. ZHX1820 Tape Dimensions and Configuration (Unit: mm)
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ZHX1820 Slim SIR Top Look Transceiver
16
ZHX1820 (alternate) orientation in the pocket of carrier tape. Plated pad on the right side of the module. Pocket of carrier tape.
Plated pad of ZHX1820 on the right side.
Orientation taping
to
do
Figure 14. Alternate ZHX1820 Tape Dimensions and Configuration (Unit: mm)
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ZHX1820 Slim SIR Top Look Transceiver
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Ordering Information
To order Top Look ZHX1820, use ZiLOG part number ZHX1820TV115THTR (-30 C to +85 C) or ZHX1820TV115XHTR (-40 C to +85 C). Note: In order to ensure the lowest possible lead times, ZiLOG uses two different fab sources for the transceiver IC and two different packaging facilities for module assembly. Both of these ICs and packaging facilities have been extensively tested and qualified to meet the ZHX1820 transceiver specifications.
PS016005-0204
ZHX1820 Slim SIR Top Look Transceiver
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Customer Feedback Form
If you experience any problems while operating the ZHX1820 transceiver, or if you note any inaccuracies 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 suggestions!
Customer Information
Name Company Address City/State/Zip Country Phone Fax email
Product Information
Serial # or Board Fab #/Rev # Software Version Document Number Host Computer Description/Type
Return Information
ZiLOG System Test/Customer Support 532 Race Street San Jose, CA 95126-3432 Fax: (408) 558-8300 Web: 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. _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________
PS016005-0204

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