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參數(shù)資料
| 型號(hào)： | HMC1021D |
| 英文描述： | Magnetoresistive Sensor |
| 中文描述： | 磁阻傳感器 |
| 文件頁(yè)數(shù)： | 11/15頁(yè) |
| 文件大?。?/td> | 190K |
| 代理商： | HMC1021D |
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HMC10XX FAMILY
11
Low Power—For low power application, down to 3.3 volt
supply, the circuit shown in Figure 14 can be used. These
low threshold FETs provide low on-resistance (0.3W) at
V
GS
=2.7V. The set/reset pulsing does not need to be
continuous. To save power, the SET pulse can be initially
applied followed by a single RESET pulse. The offset (OS)
can be calculated as:
OS = (Vset + Vrst)/2
This offset term will contain the DC offset of both the sensor
bridge and interface electronics, as well as the temperature
drift of the bridge and interface electronics. Store this value
and subtract it from all future bridge output readings. Once
the bridge is RESET, it will remain in that state for years—
or until a disturbing field (>20 gauss) is applied. A timer can
be set, say every 10 minutes, to periodically update the
offset term. A flow chart is shown in Figure 13 along with a
timing diagram in Figure 14 to illustrate this process.
Figure 13—Low Power Set/Rst Flowchart
Figure 12—Set/Reset Pulse With Clock Control(1021/1022)
9,15
1μF (1)
+5 to 15V
14
HMC1022
Clock
S/R
1
2
4
3
5,6
7,8
(1) Tantalum, low R
(2) Rds ~0.2 ohm
200
8
set
rst
set
Clock
S/R
4 to14V
-4 to -14V
T
PW ~ 2 μsec
5V
set
reset
IRF7105 (2)
DI9952 (2)
0.1μF
Figure 14—Single Clock Set/Reset Pulse Circuit (1021/1022)
T
a
Reset
Set
S/R
Vp
-Vp
T
a > 5 μsec
T
b > 1 μsec
T
c > 20 μsec, 50 msec(max)
T
d > 20 μsec
T
PW ~ 2 μsec
Vp > 3 V
T
PW
set
reset
T
b
T
a
T
c
read
Vset
read
Vrst
T
d
T
d
Vout
1μF (1)
+3.3 to 6.5V
Reset
NDS9933
2,4
1,3
5,6,7,8
(1) Tantalum, low R
(2) Rds ~0.2 ohm
NDS8926
Set
200
5,6,7,8
1,3
2,4
9,15
14
HMC1022
S/R
8
0.1μF
+
SET Pulse
Read Vset
RESET Pulse
Read Vrst
OS = (Vset+Vrst)/2
Vout = Vrst - OS
Timer
expired
Read Vrst
y
n
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HMC1021S | Magnetoresistive Sensor |
| HMC1021Z | Magnetoresistive Sensor |
| HMC1022 | Magnetoresistive Sensor |
| HMC103 | SPST RF Absorptive Switch |
| HMC104 | SPDT RF Absorptive Switch |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HMC1021LP4E | 制造商:Hittite Microwave Corp 功能描述:IC RMS DETECTOR 70DB 24-QFN |
| HMC1021LP4ETR | 制造商:Hittite Microwave Corp 功能描述:HMC1021 Series DC - 3.9 GHz Single-Ended RMS Power Detector - 4x4 mm QFN-24 |
| HMC1021S | 制造商:Honeywell SSEC 功能描述:Magnetoresistive Sensor 1-Axis 4(mV/V/Gs) 8-Pin SOIC 制造商:Honeywell ssec 功能描述:Magnetoresistive Sensor 1-Axis 4(mV/V/Gs) 8-Pin SOIC Bulk 制造商:Honeywell Microelectronics And Precision Sensors 功能描述:MAGNETIC SENSOR; Magnetic Field Min:-6G; Magnetic Field Max:6G; Leaded Process Compatible:No; Output Type:Differential; Resolution:85G; Sensitivity Range:1mV/V/G; Sensor Output:Voltage; Sensor Terminals:SMD ;RoHS Compliant: Yes |
| HMC1021S | 制造商:Honeywell Sensing and Control 功能描述:MAGNETIC SENSOR |
| HMC1021S-TR | 功能描述:SENSOR LINEAR MAGN 1 AXIS 8-SOIC RoHS:是 類(lèi)別:傳感器，轉(zhuǎn)換器 >> 磁性 - 霍爾效應(yīng)，數(shù)字式開(kāi)關(guān)，線性，羅盤(pán) (IC) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類(lèi)型:旋轉(zhuǎn) 電源電壓:4.5 V ~ 5.5 V 電流 - 電源:15mA 電流 - 輸出（最大）:- 輸出類(lèi)型:數(shù)字式，PWM，8.5 位串行 特點(diǎn):可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱(chēng):AS5132-HSST-500DKR |
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