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標(biāo)題: DRV5053 數(shù)字鎖存霍爾效應(yīng)傳感器 [打印本頁(yè)]
作者: 拍明芯城 時(shí)間: 2018-10-18 16:48
標(biāo)題: DRV5053 數(shù)字鎖存霍爾效應(yīng)傳感器
1.描述
DRV5053 器件是一款斬波穩(wěn)定霍爾 IC,能夠在整個(gè)溫度范圍內(nèi)提供具有出色靈敏度穩(wěn)定性和集成保護(hù)特性的磁場(chǎng)感測(cè)解決方案。
0V 至 2V 模擬輸出可對(duì)施加的磁感應(yīng)強(qiáng)度做出線性響應(yīng),并且能夠辨別磁場(chǎng)方向的極性。 反向極性保護(hù)高達(dá) -22V 的寬工作電壓范圍( 至 38V)使得此器件適用于廣泛的和消費(fèi)類應(yīng)用。
針對(duì)反向電源情況、負(fù)載突降和輸出短路或過(guò)流提供內(nèi)部保護(hù)功能。
特性
線性輸出霍爾傳感器
出色的溫度穩(wěn)定性
溫度范圍內(nèi)的靈敏度為 ±10%
高靈敏度選項(xiàng):
–11mV/mT(OA,請(qǐng)見(jiàn))
–23mV/mT (PA)
–45mV/mT (RA)
–90mV/mT (VA)
+23mV/mT (CA)
+45mV/mT (EA)
支持寬電壓范圍
至 38V
無(wú)需外部穩(wěn)壓器
放大的輸出級(jí)
2.3mA 灌電流,300µA 拉電流
輸出電壓:0.2V 至 1.8V
B = 0mT,OUT = 1V
快速上電:35µs
小型封裝尺寸
表面貼裝 3 引腳小外形尺寸晶體管 (SOT)-23 (DBZ)
2.92mm × 2.37mm
插入式 3 引腳系統(tǒng)級(jí)封裝 (SIP) (LPG)
4.00mm × 3.15mm
保護(hù)特性
反向電源保護(hù)(高達(dá) -22V)
支持高達(dá) 40V 拋負(fù)載
輸出短路保護(hù)
2.應(yīng)用
流量計(jì)
對(duì)接調(diào)整
振動(dòng)校正
減震器控制
3 說(shuō)明
DRV5053 器件是一款斬波穩(wěn)定霍爾 IC,能夠在整個(gè)溫度范圍內(nèi)提供具有出色靈敏度穩(wěn)定性和集成保護(hù)特性的磁場(chǎng)感測(cè)解決方案。
0V 至 2V 模擬輸出可對(duì)施加的磁感應(yīng)強(qiáng)度做出線性響應(yīng),并且能夠辨別磁場(chǎng)方向的極性。 反向極性保護(hù)高達(dá) -22V 的寬工作電壓范圍(2.5V 至 38V)使得此器件適用于廣泛的工業(yè)和消費(fèi)類應(yīng)用。
針對(duì)反向電源情況、負(fù)載突降和輸出短路或過(guò)流提供內(nèi)部保護(hù)功能。
The DRV5053 device is a chopper-stabilized hall sensor with an analog output for magnetic sensing applications. The DRV5053 device can be powered with a supply voltage between 2.5 and 38 V, and will survive –22 V reverse battery conditions continuously. Note that the DRV5053 device will not be operating when approximately –22 to 2.4 V is applied to VCC (with respect to GND). In addition, the device can withstand supply voltages up to 40 V for transient durations.
The output voltage is dependent on the magnetic field perpendicular to the package. The absence of a magnetic field will result in OUT = 1 V. A magnetic field will cause the output voltage to change linearly with the magnetic field.
The field polarity is defined as follows: a south pole near the marked side of the package is a positive magnetic field. A north pole near the marked side of the package is a negative magnetic field.
For devices with a negative sensitivity (that is, DRV5053RA: –40 mV/mT), a south pole will cause the output voltage to drop below 1 V, and a north pole will cause the output to rise above 1 V.
For devices with a positive sensitivity (that is, DRV5053EA: +40 mV/mT), a south pole will cause the output voltage to rise above 1 V, and a north pole will cause the output to drop below 1 V.
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