ELM337P 데이터 시트보기 (PDF) - Elm Electronics
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ELM337P Datasheet PDF : 4 Pages
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ELM337
Absolute Maximum Ratings
Storage Temperature....................... -65°C to +150°C
Ambient Temperature with
Power Applied....................................-40°C to +85°C
Voltage on VDD with respect to VSS............ 0 to +7.5V
Voltage on any other pin with
respect to VSS........................... -0.6V to (VDD + 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.
Electrical Characteristics
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 Units
Conditions
Supply voltage, VDD
VDD rate of rise
Average supply current, IDD
3.0
5.0
0.05
1.0
5.5
V
V/ms see note 2
2.4
mA
Input low voltage
VSS
0.15 VDD
V Mode pins
Input high voltage
0.85 VDD
VDD
V Mode pins
LDR input threshold
to dark
2.8
4.25
V
voltages
to light
0.75
1.3
V
Output low voltage
0.6
V Current (sink) = 8.7mA
Output high voltage
VDD - 0.7
V Current (source) = 5.4mA
Output pulse width
50
msec see note 3
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. As with all of the delays, the Pulse timing is generated internally, and is affected by both temperature and
supply voltage. Variations are generally less than 5% of this value over the operating range.
ELM337DSA
Elm Electronics – Circuits for the Hobbyist
< http://www.elmelectronics.com/ >
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