ELM339 View Datasheet(PDF) - Elm Electronics
Part Name
Description
Manufacturer
ELM339 Datasheet PDF : 4 Pages
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ELM339
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
4.5
5.0
0.05
1.0
5.5
V
V/ms see note 2
2.4
mA see note 3
Input low voltage
Input high voltage
Output low voltage
Output high voltage
Out7 Pulse Width
Pulse7 Setup Time
VSS
0.15 VDD
V
0.85 VDD
VDD
V
0.6
V Current (sink) = 8.7mA
VDD - 0.7
V Current (source) = 5.4mA
250
260
275
msec see note 4
0
msec see note 5
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. Device only. Does not include any LED or drive currents.
4. Pulse timing is affected by both temperature and supply voltage. Times shown are the widest variation that
can normally be expected.
5. The state of Pulse7 is determined after each valid 7 series code is sent. The level need not be set prior to
sending the codes.
ELM339DSA
Elm Electronics – Circuits for the Hobbyist
< http://www.elmelectronics.com/ >
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