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參數(shù)資料
| 型號： | KMA210 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 振動和傾斜傳感器 |
| 英文描述： | Programmable angle sensor |
| 封裝： | KMA210<SOT1288|<<<1<Always Pb-free,; |
| 文件頁數(shù)： | 7/36頁 |
| 文件大?。?/td> | 563K |
| 代理商： | KMA210 |
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KMA210
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 1 — 30 June 2011
7 of 36
NXP Semiconductors
KMA210
Programmable angle sensor
Table 4
describes the power-loss behavior and gives the resulting output voltage
depending on the interrupted supply or ground line and the load resistance.
Table 4.
Load resistance
R
L(ext)
> 5 k
7.4 Broken bond wire detection
The broken bond wire detection circuit enables the detection of an interrupted supply or
ground line of the MR sensor bridge. In the case of a broken bond wire the device goes
into diagnostic mode and a status bit is set.
7.5 Low supply voltage detection and overvoltage protection
If the supply voltage is below the switch-off threshold voltage, a status bit is set and the
device goes into diagnostic mode. If the supply voltage is above the overvoltage switch-on
threshold voltage, the device enters diagnostic mode.
Table 5
describes the system
behavior depending on the voltage range of the supply voltage.
Table 5.
Supply voltage
0 V to
1.8 V
Fig 4.
Equivalent output circuit in case of a power-loss condition
Power-loss behavior
Interrupted supply line
V
O
4 %V
DD
Interrupted ground line
V
O
96 %V
DD
008aaa259
ZO(pl)
ZO(pl)
OUT/DATA
GND
V
DD
KMA210
System behavior
State
start-up power The output buffer drives an active LOW or is powered down,
but the switches of the power-loss detection circuit are not
fully opened and set the output to a level between ground and
half the supply voltage.
1.8 V to V
POR
power-on
reset
switches of the detection circuit off. The output buffer drives
an active LOW and sets the output to the lower diagnostic
level. During the reset phase all circuits are in reset and/or
Power-down mode.
V
POR
to V
th(on)
or
V
th(off)
content of the non-volatile memory is copied into the shadow
registers. The output buffer drives an active LOW and sets the
output to the lower diagnostic level.
V
th(on)
or V
th(off)
to
minimum V
DD
operation
available at the analog output. Not all parameters are within
the specified limits.
Description
The power-loss charge pump is fully operational and turns the
initialization
The digital core and the oscillator are active. After reset the
functional
All analog circuits are active and the measured angle is
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