參數(shù)資料
型號: HEDR-5300
英文描述: Quick Assembly Small Diameter Two Channel Optical Encoder(快速匯編兩和三通道光編碼器)
中文描述: 快速大會小直徑雙通道光學(xué)編碼器(快速匯編兩和三通道光編碼器)
文件頁數(shù): 5/8頁
文件大?。?/td> 187K
代理商: HEDR-5300
5
Encoding Characteristics
Encoding Characteristics over the Recommended Operating Conditions and Mounting Conditions.
Parameter
Symbol
P
S
Θ
C
Typ.
Max.
Units
°
e
°
e
°
e
arc min.
°
e
Pulse Width Error
15
75
State Width Error
15
60
Phase Error
8
60
Position Error
25
120
Cycle Error
10
75
Electrical Characteristics
Electrical Characteristics over the Recommended Operating Conditions. Typical Values at 25
°
C
and V
CC
= 5 V.
Parameter
Symbol
Min.
Typ.
Max.
Units
Notes
Supply Current
I
CC
V
OH
V
OL
t
r
t
f
18
mA
High Level Output Voltage
2.4
Volts
I
OH
= -40
μ
A min.
I
OL
= 3.86 mA
C
L
= 25 pF
R
L
= 2.7 k
Low Level Output Voltage
0.4
Volts
Rise Time
150
200
ns
Fall Time
50
60
ns
Electrical Interface
To ensure reliable encoding
performance, the HEDR-5300
encoder requires 2.7 k
(
±
10%)
pull-up resistors on output pins 2
and 4 (Channels A and B) as
shown in Figure 1. These pull-up
resistors should be located as
close to the encoder as possible
(within 4 feet). Each of the
encoder outputs can drive a
single TTL load in this
configuration.
Figure 1. Pull-up Resistors on HEDR-5300 Encoder Outputs.
+5 V
4
3
2
1
GND
R
R
CHANNEL B
CHANNEL A
TO OUTPUT LOGIC
(ONE TTL LOAD
PER OUTPUT)
R = 2.7 K
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