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| 型号： | ARD00342 |
| 厂商： | Microchip Technology |
| 文件页数： | 5/30页 |
| 文件大小： | 0K |
| 描述： | BOARD REF DESIGN MCP3901 |
| 设计资源： | ARD00342 Bill of Materials ARD00342 Schematic |
| 标准包装： | 1 |
| 主要目的： | 电源管理，电度表/功率表 |
| 嵌入式： | 是，MCU，8 位 |
| 已用 IC / 零件： | MCP3901，PIC18F65J90 |
| 主要属性： | 单相分流电度表 |
| 次要属性： | USB 接口 |
| 已供物品： | 板，线缆 |
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PCA2002
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 8 — 25 November 2011
13 of 30
NXP Semiconductors
PCA2002
32 kHz watch circuit with programmable output period and pulse width
9.
Limiting values
[1]
When writing to the OTP cells, the supply voltage (VDD) can be raised to a maximum of 12 V for a time
period of 1 s.
[2]
Connecting the battery with reversed polarity does not destroy the circuit, but in this condition a large
current flows which rapidly discharges the battery.
[3]
Pass level; Human Body Model (HBM), according to Ref. 5 “JESD22-A114”.
[4]
Pass level; Machine Model (MM), according to Ref. 6 “JESD22-A115”.
[5]
Pass level; latch-up testing according to Ref. 7 “JESD78” at maximum ambient temperature (Tamb(max)).
[6]
According to the NXP store and transport requirements (see Ref. 9 “NX3-00092”) the devices have to be
stored at a temperature of +8
C to +45 C and a humidity of 25 % to 75 %. For long term storage products
deviant conditions are described in that document.
Table 9.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter
Conditions
Min
Max
Unit
VDD
supply voltage
VSS =0 V
1.8
+7.0
V
VI
input voltage
0.5
+7.5
V
tsc
short circuit duration time
output
-
indefinite
s
VESD
electrostatic discharge
voltage
HBM
-
2000
V
MM
-
200
V
Ilu
latch-up current
-100
mA
Tstg
storage temperature
30
+100
C
Tamb
ambient temperature
10
+60
C
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