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參數(shù)資料
| 型號： | ATS667LSGTN-T |
| 廠商： | Allegro Microsystems Inc |
| 文件頁數(shù)： | 11/14頁 |
| 文件大?。?/td> | 424K |
| 描述： | IC SENSOR GEAR TOOTH 4SIP |
| 產(chǎn)品培訓(xùn)模塊： | Current Sensor |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 傳感范圍： | 70% 空氣間隙跳閘，30% 空氣間隙釋放 |
| 類型： | 專用型 |
| 電源電壓： | 4 V ~ 24 V |
| 電流 - 電源： | 12mA |
| 電流 - 輸出（最大）： | 25mA |
| 輸出類型： | 數(shù)字，開路集電極 |
| 特點(diǎn)： | 輪齒類型 |
| 工作溫度： | -40°C ~ 150°C |
| 封裝/外殼： | 4-SIP |
| 供應(yīng)商設(shè)備封裝： | 4-SIP |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁面： | 1142 (CN2011-ZH PDF) |
| 其它名稱： | 620-1328-6 |
True Zero-Speed, High Accuracy Gear Tooth Sensor IC
ATS667LSG
11
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Undervoltage Lockout
When the supply voltage falls below the undervoltage lockout
voltage, V
CC(UV)
, the device enters Reset, where the output
state returns to the Power-On State (POS) until sufficient V
CC
is supplied. I
CC
levels may not meet datasheet limits when V
CC
< V
CC
(min). This lockout feature prevents false signals, caused
by undervoltage conditions, from propagating to the output of the
IC.
Power Supply Protection
The device contains an on-chip regulator and can operate over a
wide V
CC
range. For devices that must operate from an unregu-
lated power supply, transient protection must be added externally.
For applications using a regulated line, EMI/RFI protection may
still be required. Contact Allegro for information on the circuitry
needed for compliance with various EMC specifications. Refer
to figure 6 for an example of a basic application circuit.
Automatic Gain Control (AGC)
This feature allows the device to operate with an optimal internal
electrical signal, regardless of the air gap (within the AG speci-
fication). At power-on, the device determines the peak-to-peak
amplitude of the signal generated by the target. The gain of the IC
is then automatically adjusted. Figure 7 illustrates the effect of
this feature.
Automatic Offset Adjust (AOA)
The AOA circuitry automatically compensates for the effects of
chip, magnet, and installation offsets. This circuitry is continu-
ously active, including during both power-on mode and running
mode, compensating for any offset drift (within the Allowable
User Induced Differential Offset). Continuous operation also
allows it to compensate for offsets induced by temperature varia-
tions over time.
Running Mode Lockout
The ATS667 has a running mode lockout feature to prevent
switching in response to small signals that are characteristic of
vibration signals. The internal logic of the chip considers small
signal amplitudes below a certain level to be vibration. The out-
put is held to the state prior to lockout until the amplitude of the
signal returns to normal operational levels.
Assembly Description
The ATS667 is integrally molded into a plastic body that has
been optimized for size, ease of assembly, and manufacturability.
High operating temperature materials are used in all aspects of
construction.
Figure 6. Typical circuit for proper device operation.
Figure 7. Automatic Gain Control (AGC). The AGC function corrects for
variances in the air gap. Differences in the air gap cause differences in
the magnetic field at the device, but AGC prevents that from affecting
device performance, as shown in the lowest panel.
Mechanical Profile
AG
Small
AG
Large
AG
Small
AG
Large
Internal Differential
Analog Signal
Response, with AGC
Internal Differential
Analog Signal
Response, without AGC
Ferrous Target
V+
V+
4
3
VCC
V
CC
V
PULLUP
R
PULLUP
GND TEST
VOUT
C
BYPASS
0.1 糉
(Required)
C
L
ATS667
1
2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| ATS668LSMTN-T | 功能描述:THREE-WIRE DIFFERENTIAL SPEED SE 制造商:allegro microsystems, llc 系列:* 零件狀態(tài):在售 標(biāo)準(zhǔn)包裝:1 |
| ATS671LSE | 制造商:Allegro MicroSystems LLC 功能描述: |
| ATS671LSE-T | 制造商:Allegro MicroSystems LLC 功能描述: |
| ATS672LSB | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Self-Calibrating Gear Tooth Sensor with 9-Bit Signal Capture |
| ATS672LSB_03 | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Self-Calibrating Gear Tooth Sensor with 9-Bit Signal Capture |
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