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产品型号QEDS-9871的Datasheet PDF文件预览

Small Optical Encoder Modules  
Technical Data  
HEDS-9700 Series  
Features  
• Small Size  
• Two Channel Quadrature  
Output  
• TTL Compatible  
• Single 5V Supply  
• Wave Solderable  
• Low Cost  
• Multiple Mounting Options  
• Wide Resolution Range  
• Linear and Rotary Options  
Available  
Description  
• No Signal Adjustment  
Required  
• Insensitive to Radial and  
Axial Play  
The HEDS-9700 series is a high  
performance, low cost, optical  
incremental encoder module.  
When operated in conjunction  
Mounting Option #50 - Standard (Baseplane Mounting)  
Contact Factory for Detailed Package Dimensions  
ESD WARNING; NORMAL HANDLING PRECAUTIONS SHOULD BE TAKEN TO AVOID STATIC DISCHARGE.  
2
module consists of a lensed LED  
source and a detector IC enclosed  
in a small C-shaped plastic pack-  
age. Due to a highly collimated  
light source and a unique photo-  
detector array, the module is  
extremely tolerant to mounting  
misalignment.  
Note: Agilent Technologies  
encoders are not recommended  
for use in safety critical  
applications. Eg. ABS braking  
systems, power steering, life  
support systems and critical care  
medical equipment. Please  
contact sales representative if  
more clarification is needed.  
processing circuitry necessary to  
produce the digital waveforms.  
The codewheel/codestrip moves  
between the emitter and detector,  
causing the light beam to be  
interrupted by the pattern of  
spaces and bars on the code-  
wheel/codestrip. The photodiodes  
which detect these interruptions  
are arranged in a pattern that  
corresponds to the radius and  
count density of the codewheel/  
codestrip. These detectors are  
also spaced such that a light  
period on one pair of detectors  
corresponds to a dark period on  
the adjacent pair of detectors.  
The photodiode outputs are fed  
through the signal processing  
circuitry. Two comparators  
receive these signals and produce  
the final outputs for channels A  
and B. Due to this integrated  
phasing technique, the digital  
output of channel A is in  
The two channel digital outputs  
and 5V supply input are accessed  
through four solder-plated leads  
located on 2.54 mm (0.1 inch)  
centers.  
Theory of Operation  
The HEDS-9700 is a C-shaped  
emitter/detector module. Coupled  
with a codewheel, it translates  
rotary motion into a two-channel  
digital output. Coupled with a  
codestrip, it translates linear  
motion into a digital output.  
The standard HEDS-9700 is  
designed for use with an 11 mm  
optical radius codewheel, or  
linear codestrip. Other options  
are available. Please contact  
factory for more information.  
As seen in the block diagram, the  
module contains a single Light  
Emitting Diode (LED) as its light  
source. The light is collimated  
into a parallel beam by means of  
a single lens located directly over  
the LED. Opposite the emitter is  
the integrated detector circuit.  
This IC consists of multiple sets  
of photodetectors and the signal  
Applications  
The HEDS-9700 provides  
sophisticated motion detection at  
a low cost, making closed-loop  
control very cost-competitive!  
Typical applications include  
printers, plotters, copiers, and  
office automation equipment.  
quadrature with channel B (90  
degrees out of phase).  
Block Diagram  
3
Output Waveforms  
A and the neighboring transition  
in the output of channel B. There  
are 4 states per cycle, each  
nominally 90°e.  
State Width Error (S): The  
deviation, in electrical degrees, of  
each state width from its ideal  
value of 90°e.  
Phase (φ): The number of  
electrical degrees between the  
center of the high state of channel  
A and the center of the high state  
of channel B. This value is  
nominally 90°e for quadrature  
output.  
Phase Error (∆φ): The deviation  
of the phase from its ideal value  
of 90°e.  
Definitions  
Pulse Width (P): The number of  
electrical degrees that an output  
is high during one cycle. This  
value is nominally 180°e or 1/2  
cycle.  
Count (N) = The number of bar  
and window pairs or counts per  
revolution (CPR) of the  
Direction of Rotation: When the  
codewheel rotates counterclock-  
wise, as viewed looking down on  
the module (so the marking is  
visible), channel A will lead  
channel B. If the codewheel  
rotates in the opposite direction,  
channel B will lead channel A.  
codewheel, or the number of lines  
per inch of the codestrip (LPI).  
Pulse Width Error (P): The  
deviation, in electrical degrees, of  
the pulse width from its ideal  
value of 180°e.  
1 Shaft Rotation = 360  
mechanical  
degrees  
= N cycles  
1 cycle (c) = 360 electrical  
degrees (°e)  
State Width (S): The number of  
electrical degrees between a  
transition in the output of channel  
Optical Radius (Rop): The  
distance from the codewheel’s  
center of rotation to the optical  
center (O.C.) of the encoder  
module.  
= 1 bar and  
window pair  
Absolute Maximum Ratings  
Parameter  
Symbol Min. Max. Units Notes  
Storage Temperature  
TS  
-40  
-40  
85  
85  
°C  
°C  
See Note  
See Note  
Operating  
T
A
Temperature  
Supply Voltage  
Output Voltage  
VCC  
VO  
IO  
-0.5  
-0.5  
-1.0  
7
VCC  
5
V
V
Output Current per  
Channel  
mA  
Soldering Temperature  
260  
°C  
t 5 sec.  
4
Recommended Operating Conditions  
Parameter  
Temperature  
Symbol  
Min.  
−40  
4.5  
Max.  
85  
Units  
°C  
Notes  
Τ
Supply Voltage  
Load Capacitance  
Count Frequency  
VCC  
CL  
5.5  
100  
20  
V
Ripple < 100 mVp-p  
3.2 kpull-up  
pF  
kHz  
(Velocity (rpm) x N)/60  
Note: The module performance is guaranteed to 20 kHz but can operate at higher frequencies. Contact factory for more information.  
Encoding Characteristics  
Encoding Characteristics over Recommended Operating Range and Recommended Mounting Tolerances.  
These characteristics do not include codewheel/codestrip contributions.  
Case 1 Case 2  
Parameter  
Pulse Width Error  
Logic State Width Error  
Phase Error  
Symbol  
P  
Typ.  
Max.  
Max.  
Units  
°e  
Notes  
7
5
2
30  
40  
S  
30  
40  
°e  
∆φ  
10  
15  
°e  
Case 1: Module mounted on tolerances of ± 0.13 mm (0.005"). Case 2: Module mounted on tolerances of  
± 0.25 mm (0.010")  
Note: See Figures in Mounting Considerations for details on Case 1 and Case 2 mounting tolerances.  
Electrical Characteristics  
Electrical Characteristics over Recommended Operating Range, Typical at 25°C.  
Parameter  
Supply Current  
Symbol  
Min. Typ.  
Max. Units  
Notes  
ICC  
VOH  
VOL  
tr  
17  
40  
mA  
V
High Level Output Voltage  
Low Level Output Voltage  
Rise Time  
2.4  
IOH = -40 µA  
0.4  
V
IOL = 3.2 mA  
200  
50  
ns  
ns  
CL = 25 pF, RL = 11 kΩ  
CL = 25 pF, RL = 11 kΩ  
Fall Time  
tf  
5
Recommended Codewheel and Codestrip Characteristics  
Parameter  
Symbol  
Ww/Wb  
Lw  
Min.  
Max.  
Units  
Notes  
Window/Bar Ratio  
0.7  
1.4  
Window Length (Rotary)  
1.80  
2.30  
mm  
(0.071)  
(0.091)  
(inch)  
Absolute Maximum Codewheel  
Radius (Rotary)  
Rc  
W1  
W2  
L
Rop + 3.40  
(Rop + 0.134) (inch)  
mm  
Includes eccen–  
tricity errors  
Center of Post to Inside  
Edge of Window  
1.04  
(0.041)  
mm  
(inch)  
Center of Post to Outside  
Edge of Window  
0.76  
(0.030)  
mm  
(inch)  
Center of Post to Inside Edge  
of Codestrip  
3.60  
(0.142)  
mm  
(inch)  
Optional Packages Available  
Mounting Option #51 – Rounded Outline (Baseplane Mounting)  
6
Optional Packages Available (cont'd.)  
Mounting Option #52 – Backplane (Backplane Mounting)  
Mounting Option #53 – Standard with Posts (Baseplane Mounting)  
7
Optional Packages Available (cont'd.)  
Mounting Option #54 – Tabless (Baseplane Mounting)  
Mounting Option #55 – Backplane with Posts (Backplane Mounting)  
8
Bent Lead Option  
Mounting Considerations  
Note: These dimensions include shaft end play and codewheel warp.  
All dimensions for mounting the module and codewheel/codestrip should be measured with respect to the two mounting posts, shown  
above.  
Mounting Tolerances  
Case 1 and Case 2 specify the mounting tolerances required on Rm in order to achieve the respective  
encoding characteristics shown on page 4. The mounting tolerances are as follows:  
Case 1: Rm ± 0.13 mm (.005 inches)  
Case 2: Rm ± 0.25 mm (.010 inches)  
Recommended Screw Size: M2.5 x 0.45 or 2-56  
9
Recommended Wave  
Solder Conditions  
Flux – RMA Water Soluble (per  
MIL-F-14256D)  
Process Parameters  
1. Flux  
2. Pre-heat 60 seconds total  
Nominal preheat temp: 90°C  
Min: 85°C Max: 110°C  
3. Solder Pot Zone  
Nominal dip in time:  
2.5 - 4.5 seconds  
Min: 2.5 seconds  
Max: 5 seconds  
PCB top side: 140 -160°C  
PCB bottom side: 240 - 260°C  
4. Wave Solder 255°C,  
1.2 meters/minute line speed  
5. Hot Water Wash  
1st: 30°C 45 seconds  
2nd: 70°C 90 seconds  
6. Rinse  
1st: 23°C 45 seconds  
2nd: 23°C 45 seconds  
7. Dry  
1st: 80°C 105 seconds  
2nd: 95°C 105 seconds  
Typical Interface  
CH A  
A
HOST  
PROCESSOR  
HCTL-2016/2020  
QUADRATURE  
DECODER/  
CH B  
HEDS–9700  
COUNTER  
10  
Ordering Information  
HEDS-97  
Option  
0 – Rotary  
2 – Linear  
Lead Bend  
0 – Straight Leads  
1 – Bent Leads  
Resolution Options  
(11 mm optical radius, Rop)  
K – 96 CPR  
Mounting Options  
50 – Standard  
51 – Rounded Outline  
52 – Backplane  
53 – Standard w/Posts  
54 – Tabless  
55 – Backplane w/Posts  
C – 100 CPR  
D – 192 CPR  
E – 200 CPR  
F – 256 CPR  
G – 360 CPR  
H – 400 CPR  
(Linear)  
L – 120 LPI  
M – 127 LPI  
P – 150 LPI  
Factory for  
Contact  
Other  
Resolution  
Options  
Note: Please contact factory for codewheel and codestrip information.  
50 51 52 53  
54 55  
HEDS-9700  
K
C
D
E
F
*
*
*
*
*
*
*
*
*
G
H
L
M
P
*
HEDS-9701  
K
C
D
E
F
*
*
*
G
H
L
*
M
P
11  
50 51 52 53  
54 55  
HEDS-9720  
K
C
D
E
F
G
H
L
M
P
*
*
*
*
*
*
*
HEDS-9721  
K
C
D
E
F
G
H
L
M
P
*
*
*
www.agilent.com/semiconductors  
For product information and a complete list of  
distributors, please go to our web site.  
For technical assistance call:  
Americas/Canada: +1 (800) 235-0312 or  
(408) 654-8675  
Europe: +49 (0) 6441 92460  
China: 10800 650 0017  
Hong Kong: (+65) 6271 2451  
India, Australia, New Zealand: (+65) 6271 2394  
Japan: (+81 3) 3335-8152(Domestic/Interna-  
tional), or 0120-61-1280(Domestic Only)  
Korea: (+65) 6271 2194  
Malaysia, Singapore: (+65) 6271 2054  
Taiwan: (+65) 6271 2654  
Data subject to change.  
Copyright © 2002 Agilent Technologies, Inc.  
Obsoletes 5988-5853EN  
October 2, 2002  
5988-8045EN  
配单直通车
QEE113产品参数
型号:QEE113
是否Rohs认证: 不符合
生命周期:Obsolete
IHS 制造商:QT OPTOELECTRONICS
Reach Compliance Code:unknown
风险等级:5.32
配置:SINGLE
最大正向电流:0.05 A
JESD-609代码:e0
功能数量:1
最高工作温度:100 °C
最低工作温度:-40 °C
光电设备类型:INFRARED LED
峰值波长:880 nm
形状:ROUND
尺寸:1.57 mm
端子面层:Tin/Lead (Sn/Pb)
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