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參數(shù)資料
| 型號： | ELM311SM |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | STEPPER MOTOR CONTROLLER |
| 中文描述： | 步進電機控制器 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大?。?/td> | 31K |
| 代理商： | ELM311SM |
< http://www.elmelectronics.com/ >ELM311
Electrical Characteristics
Absolute Maximum Ratings
Storage Temperature.......................-65°C to +150°C
Ambient Temperature with
Power Applied....................................-40°C to +85°C
Voltage on V
DD
with respect to V
SS
............0 to +7.5V
Voltage on any other pin with
respect to V
SS
........................... -0.6V to (V
DD
+ 0.6V)
Note:
Stresses beyond those listed here will likely damage
the device. These values are given as a design
guideline only. The ability to operate to these levels
is neither inferred nor recommended.
3 of 5
All values are for operation at 25°C and a 5V supply, unless otherwise noted. For further information, refer to note 1 below.
Characteristic
Minimum
Typical
Maximum
Conditions
Units
Supply Voltage, V
DD
3.0
5.0
5.5
V
V
DD
rate of rise
0.05
V/ms
Average Supply Current, I
DD
1.0
2.4
mA
V
DD
= 5V
Notes:
1. This integrated circuit is produced with a Microchip Technology Inc.’s PIC12C5XX as the core embedded
microcontroller. For further device specifications, and possibly clarification of those given, please refer to the
appropriate Microchip documentation.
2. This spec must be met in order to ensure that a correct power on reset occurs. It is quite easily achieved
using most common types of supplies, but may be violated if one uses a slowly varying supply voltage, as
may be obtained through direct connection to solar cells, or some charge pump circuits.
3. This IC is uses CMOS technology so input currents to the logic are negligible. Each input does have internal
diode protection circuits, however, which may cause up to 1μA of leakage currents to flow.
4. Operation of the ELM311 is completely static, so there is no maximum time for any of these parameters.
Each of the values is graphically displayed in Figure 1 on page 4.
5. The Step input will initially be blocked for this time, to allow external circuits time to stabilize.
Input low voltage
V
SS
0.15 V
DD
V
Input high voltage
V
DD
V
0.85 V
DD
Output low voltage
0.6
V
Output high voltage
V
V
DD
- 0.7
Current (sink) = 8.7mA
Current (source) = 5.4mA
see note 2
ELM311DSB
Delay Between Steps (Td)
Step Pulse Width (Tp)
μsec
10
-
μsec
30
-
see note 4
see note 4
μsec
μsec
2
0
-
-
Direction Input Setup Time (Tsu)
Hold Time (Th)
see note 4
see note 4
see note 3
see note 3
Step Inhibit on Power-up
10
20
30
see note 5
msec
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|---|---|
| ELM312 | 制造商:ELM 制造商全稱:ELM 功能描述:STEPPER MOTOR CONTROLLER |
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| ELM31255GD | 功能描述:LED 電路板指示器 Vert LED Assembly 5mm Green 565 nm RoHS:否 制造商:Lumex LED 大小:3 mm 照明顏色:Green 波長:565 nm 光強度:30 mcd 安裝類型:SMD/SMT 顯示角:60 deg 封裝:Reel |
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