LICAL-ENC-MS001(2008) Просмотр технического описания (PDF) - Unspecified
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LICAL-ENC-MS001 Datasheet PDF : 7 Pages
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ELECTRICAL SPECIFICATIONS
Parameter
POWER SUPPLY
Operating Voltage
Supply Current:
At 2.0V VCC
At 3.0V VCC
At 5.0V VCC
Power-Down Current:
At 2.0V VCC
At 3.0V VCC
At 5.0V VCC
ENCODER SECTION
Input Low
Input High
Output Low
Output High
Input Sink Current
Output Drive Current
SEND High to DATA_OUT
ENVIRONMENTAL
Operating Temperature Range
Designation Min.
VCC
2.0
ICC
–
–
–
IPDN
–
–
–
VIL
0.0
VIH
0.8 x VCC
VOL
–
VOH
VCC - 0.7
–
–
–
–
–
–
–
-40
Table 1: Electrical Specifications
Notes
1. Current consumption with no active loads.
2. For 3V supply, (0.15 x 3.0) = 0.45V max.
3. For 3V supply, (0.8 x 3.0) = 2.4V min.
ABSOLUTE MAXIMUM RATINGS
Typical
Max.
Units
–
5.5
VDC
240
300
µA
370
470
µA
670
780
µA
0.10
0.80
µA
0.10
0.85
µA
0.20
0.95
µA
–
0.15 x VCC
V
–
VCC
V
–
0.6
V
–
–
V
–
25
mA
–
25
mA
1.64
–
mS
–
+125
°C
Notes
–
1
1
1
–
–
–
2
3
–
–
–
–
–
–
Supply Voltage VCC
-0.3
Any Input or Output Pin
-0.3
Max. Current Sourced By Output Pins
Max. Current Sunk By Output Pins
Max. Current Into VCC
Max. Current Out Of GND
Operating Temperature
-40
Storage Temperature
-65
to +6.5
to VCC + 0.3
25
25
250
300
to +125
to +150
VDC
VDC
mA
mA
mA
mA
°C
°C
*NOTE* Exceeding any of the limits of this section may lead to permanent
damage to the device. Furthermore, extended operation at these maximum
ratings may reduce the life of this device.
TIMINGS
Baud Rate
Initial Start-up
After Valid Rx
2,400
72.62
38.62
9,600
22.42
12.42
19,200
13.80
7.30
28,800
11.00
6.00
Table 2: Encoder SEND to Decoder Activation Times (mS)
Page 2
With RX_PDN
(Worst Case)
600+72.62
300+22.42
150+13.80
150+11.00
RECOMMENDED PAD LAYOUT
The MS Series encoders and decoders are implemented in an industry standard
20-pin Shrink Small Outline Package (20-SSOP). The recommended layout
dimensions are shown below.
0.016
(0.41)
0.047
(1.19)
0.026
(0.65)
0.234 (5.94)
0.328 (8.33)
Figure 2: PCB Layout Dimensions
PRODUCTION CONSIDERATIONS
These surface-mount components are designed to comply with standard reflow
production methods. The recommended reflow profile is shown below and
should not be exceeded, as permanent damage to the part may result.
Lead-Free
Sn / Pb
275
250
225
200
260°C Max
240°C Max
175
150
125
100
75
50
25
0
0
20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420
TIME (SECONDS)
Figure 3: MS Series Reflow Profile
*CAUTION*
This product is a static-sensitive component. Always wear an ESD
wrist strap and observe proper ESD handling procedures when
working with this device. Failure to observe this precaution may
result in device damage or failure.
Page 3
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