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參數(shù)資料
| 型號： | ATS672LSB |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | Self-Calibrating TPO Gear-Tooth Sensor with 9-Bit Signal Capture |
| 中文描述： | 自校準城市規(guī)劃條例齒輪齒傳感器9位信號捕獲 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 252K |
| 代理商： | ATS672LSB |
ATS672LSB
Preliminary – Subject to Change
PIN OUT DIAGRAM
Self-Calibrating TPO Gear-Tooth Sensor with
9-Bit Signal Capture
4 3 2 1
Pin 1: V
CC
Pin 2: V
OUT
Pin 3: Test Pin (Tie to GND)
Pin 4: Gnd
The ATS672LSB true zero-speed gear-tooth sensors are
optimized Hall IC/magnet configurations packaged in a single in-
line package (SIP) that provides a user-friendly solution for digital
gear-tooth-sensing applications. The SIP module consists of an
over-molded package, which holds together a samarium cobalt
magnet, a pole piece and a true zero-speed Hall IC that has been
optimized to the magnetic circuit. This small package can be
easily assembled and used in conjunction with gears of various
shapes and sizes.
The sensor incorporates a single-element Hall IC that switches
in response to magnetic signals created by a ferrous target. The
IC contains a sophisticated digital circuit designed to eliminate the
detrimental effects of magnet and system offsets. Signal
processing is used to provide zero-speed performance
independent of air gap and also to dynamically adapt device
performance to the typical operating conditions found in
automotive applications (reduced vibration sensitivity). High-
resolution (9-bit) peak-detecting DACs are used to set the adaptive
switching thresholds of the device. Hysteresis in the thresholds
reduces the negative effects of any anomalies in the magnetic
signal (such as magnetic overshoot).
The ATS672LSB also includes a low-bandwidth filter that
increases the noise immunity and the signal-to-noise ratio of the
sensor. These features result in potential improvements in both
the timing accuracy and the jitter performance of the device. The
ATS672LSB sensor system is optimized for cam applications.
Four versions of this device are available. The sensor can be
chosen to have a high or low output signal in response to a “tooth”.
The sensor is also available with and without TPOS (true power on
state) capability. The low-on-tooth sensor without TPOS is
available through general sales. (Part # ATS672LSB-LN). For
other versions please contact the factory. Some restrictions may
apply.
ABSOLUTE MAXIMUM RATINGS
Supply Voltage,
V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . 28 V
Reverse Supply Voltage,
V
R
. . . . . . . . . . . . . . . . . . . . . . . . . . . . –18 V
Reverse Current Through Output,
I
R
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA
Continuous Output Current,
I
OUT
. . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA
Storage Temperature,
T
S
. . . . . . . . . . . . . . . . . . . . . . . . . . . 170
°
C
Package Power Rating,
R
θ
JA
. . . . . . . . . . . . . . . . . . . ~150
°
C/W
Maximum Junction Temperature,
T
Jmax
. . . . . . . . . . . . . . . . . . . . . . . . . 170
°
C
Maximum Junction Temperature – 100 Hours,
T
Jmax
. . . . . . . . . . . . . . . . . . . . . . . . . 180
°
C
FEATURES
Tight timing accuracy over temperature
True zero-speed operation
True power-on sensing
Air gap independent switch points
High vibration immunity
Large operating air gaps
Operation down to 3.3 V
Digital output representing target profile
Single-chip solution for high reliability
Small mechanical size
Optimized Hall IC magnetic system
AGC and reference-adjust circuit
Undervoltage lockout
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ATS672LSB-HN | Self-Calibrating TPO Gear-Tooth Sensor with 9-Bit Signal Capture |
| ATS672LSB-HT | Self-Calibrating TPO Gear-Tooth Sensor with 9-Bit Signal Capture |
| ATS673 | Self-Calibrating TPOS Gear Tooth Sensor Optimized for Automotive Cam Sensing Applications |
| ATS674 | Self-Calibrating TPOS Gear Tooth Sensor Optimized for Automotive Cam Sensing Applications |
| ATS674LSETN-HT | Self-Calibrating TPOS Gear Tooth Sensor Optimized for Automotive Cam Sensing Applications |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| ATS672LSB-HN | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Self-Calibrating TPO Gear-Tooth Sensor with 9-Bit Signal Capture |
| ATS672LSB-HT | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Self-Calibrating TPO Gear-Tooth Sensor with 9-Bit Signal Capture |
| ATS672LSB-LN | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Self-Calibrating TPO Gear-Tooth Sensor with 9-Bit Signal Capture |
| ATS672LSB-LT | 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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