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參數資料
| 型號： | ATS535JSB |
| 元件分類： | 速度傳感器和接近開關 |
| 英文描述： | PROXIMITY SENSOR-HALL EFFECT, 65-95mA, ROUND, THROUGH HOLE MOUNT |
| 文件頁數： | 1/12頁 |
| 文件大小： | 90K |
| 代理商： | ATS535JSB |
MAJOR
REVISIONS
COMING
SOON
Data
Sheet
27627.130
The ATS535JSB and ATS535SSB programmable, true power-on
(TPOS), proximity sensors are optimized Hall-effect IC/magnet combi-
nations that provide power-on tooth/valley recognition in large gear-
tooth sensing applications and proximity detection in other applications.
Each sensor subassembly consists of a high-temperature plastic shell
that holds together a samarium-cobalt magnet, a pole piece, and a single
element, chopper-stabilized Hall-effect IC that can be programmed to
match the magnetic circuit, optimizing sensor airgap and timing accu-
racy performance after final packaging. The small package can be
easily assembled and used in conjunction with a wide variety of gear/
target shapes and sizes. The two devices differ only in operating
temperature range.
The sensing technology used for this sensor subassembly is Hall-
effect based. The sensor incorporates a single-element Hall IC that
switches in response to magnetic signals created by a ferrous target.
The circuit eliminates magnet and system offsets such as those caused
by tilt yet provides zero-speed detection capabilities without the associ-
ated running jitter inherent in classical digital solutions.
A proprietary dynamic offset cancelation technique, with an
internal high-frequency clock, reduces the residual offset voltage,
which is normally caused by device overmolding, temperature
dependancies, and thermal stress. This technique produces devices that
have an extremely stable quiescent output voltage, are immune to
mechanical stress, and have precise recoverability after temperature
cycling. Many problems normally associated with low-level analog
signals are minimized by having the Hall element and amplifier in a
single chip. Output precision is obtained by internal gain adjustments
during the manufacturing process and operate-point programming in the
user’s application.
This sensor system is ideal for use in gathering speed, position, and
timing information using gear-tooth-based configurations. The
ATS535JSB/SSB are particularly suited to those applications that
require accurate duty cycle control or accurate edge detection. The
lower vibration sensitivity also makes these devices extremely useful
for transmission speed sensing.
Always order by complete part number, e.g., ATS535JSB .
Dwg. AH-006-4
1
2
3
4
Pin 1 = Supply
Pin 2 = Output
Pin 3 = Internal Connection
Pin 4 = Ground
PROGRAMMABLE, TRUE POWER-ON,
HALL-EFFECT PROXIMITY SENSORS
Continued next page
ATS535JSB AND
ATS535SSB
ABSOLUTE MAXIMUM RATINGS
at T
A = 25°C
PRELIMINARY INFORMATION
(subject to change without notice)
April 12, 1999
Supply Voltage, VCC ........................ 26.5 V*
Reverse Supply Voltage, VRCC ............ -30 V
Overvoltage Supply Current, ICC ..... 100 mA
Output Current, IOUT ..... Internally Limited
Output OFF Voltage, VOUT ................. 26.5 V
Reverse Output Current, IROUT ......... -50 mA
Package Power Dissipation,
PD .......................................... See Graph
Operating Temperature Range, TA
ATS535JSB ................ -40
°C to +115°C
ATS535SSB ................. -20
°C to +85°C
Storage Temperature, TS ................... +170°C
* Operation at increased supply voltages with
external circuitry is described in Applications
Information.
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