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參數(shù)資料
| 型號(hào)： | ELM331DSB |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Solid State Thermostat |
| 中文描述： | 固態(tài)溫控器 |
| 文件頁(yè)數(shù)： | 3/4頁(yè) |
| 文件大?。?/td> | 28K |
| 代理商： | ELM331DSB |
< http://www.elmelectronics.com/ >ELM331
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 4
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
0.6
2.4
2.4
mA
mA
V
DD
= 5V, see note 3
V
DD
= 3V, 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. Device only. Does not include any LED or drive currents.
4. If a measured resistance is determined to be out of limits, the frequency of measurements is increased to
provide visual feedback as well as a faster recovery.
5. The value of the pullup resistance is supply and temperature dependent.
6. One should also maintain R
1
and
R
2
to not less than about 5K
. When C is chosen, select the pin 5 current
limiting resistance so that R
LIM
C is less than 1msec, and R
LIM
is greater than 1K
.
Frequency of measurements
2.0
sec
see note 4
Input low voltage - reset pin
V
SS
0.15 V
DD
V
Input high voltage - reset pin
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
Reset pin internal pullup resistance
300
470
600
K
see note 5
R
1
C
or
R
2
C time constant
500
500,000
μs
see note 6
see note 2
ELM331DSB
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