參數(shù)資料
型號: ATS535SSB
元件分類: 速度傳感器和接近開關(guān)
英文描述: PROXIMITY SENSOR-HALL EFFECT, 65-95mA, ROUND, THROUGH HOLE MOUNT
文件頁數(shù): 12/12頁
文件大?。?/td> 90K
代理商: ATS535SSB
ATS535JSB AND ATS535SSB
PROGRAMMABLE, TRUE
POWER-ON, HALL-EFFECT
PROXIMITY SENSORS
9
www.allegromicro.com
Operation From a Regulated Power Supply. These
devices require minimal protection circuitry during
operation from a low-voltage regulated line. The on-chip
voltage regulator provides immunity to power supply
variations between 4.25 V and 26 V. However, even while
operating from a regulated line, some supply and output
filtering is required to provide immunity to coupled and
injected noise on the supply line. A basic RC low-pass
circuit (R1C1) on the supply line and an optional output
capacitor (C2) is recommended for operation in noisy
environments. Because the device has an open-collector
output, an output pull-up resistor (RL) must be included
either at the sensor output (pin 2) or by the signal proces-
sor input.
APPLICATIONS INFORMATION
Operation From an Unregulated Power Supply. In
automotive applications, where the device receives its
power from an unregulated supply such as the battery, full
protection is generally required so that the device can
withstand the many supply-side transients. Specifications
for such transients vary between car manufacturers, and
protection-circuit design should be optimized for each
application. In the circuit below, a simple Zener-
controlled regulator is constructed using discrete compo-
nents. The RC low-pass filter on the supply line (R1C1)
and a low-value supply bypass capacitor (CS) can be
included, if necessary, so as to minimize susceptibility to
EMI/RFI. The npn transistor should be chosen with
sufficiently high forward breakdown voltage so as to
withstand supply-side transients. The series diode should
be chosen with sufficiently high reverse breakdown
capabilities so as to withstand the most negative transient.
The current-limiting resistor (RZ) and the Zener diode
should be sized for power dissipation requirements.
3
12
4
Vcc
Dwg. EH-008-4
20
RL
0.033
F
100 pF
OUTPUT
SUPPLY
0.1
F
2.5 k
6.8 V
C 2
C1
R 1
R Z
C S
X
3
Dwg. EH-008-5
12
4
Vcc
20
R L
0.033
F
100 pF
OUTPUT
SUPPLY
C2
C 1
R 1
X
相關(guān)PDF資料
PDF描述
ATS535JSB PROXIMITY SENSOR-HALL EFFECT, 65-95mA, ROUND, THROUGH HOLE MOUNT
ATS611LSB PROXIMITY SENSOR-HALL EFFECT, 0.5-2.5mm, 0.40V, ROUND, THROUGH HOLE MOUNT
ATS660LSB PROXIMITY SENSOR-HALL EFFECT, 0.5-2.5mm, 0.40V, ROUND, THROUGH HOLE MOUNT
ATS622LSB PROXIMITY SENSOR-HALL EFFECT, 0.5-2.5mm, 0.50%, 0.40V, ROUND, THROUGH HOLE MOUNT
ATS610LSA PROXIMITY SENSOR-HALL EFFECT, 0.5-2.5mm, 0.40V, ROUND, THROUGH HOLE MOUNT
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