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參數(shù)資料
| 型號(hào)： | 3195 |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | Protected,High-Temperature,Oper-Collector Hall-Effect Latch(保護(hù)型，工作于高溫，霍爾效應(yīng)鎖存器（帶) |
| 中文描述： | 保護(hù)，高溫，歌劇院集電極霍爾效應(yīng)鎖存（保護(hù)型，工作于高溫，霍爾效應(yīng)鎖存器（帶） |
| 文件頁數(shù)： | 1/10頁 |
| 文件大小： | 89K |
| 代理商： | 3195 |
3195
PROTECTED, HIGH-TEMP.,
ACTIVE PULL-DOWN
HALL-EFFECT LATCH
3195
PROTECTED, HIGH-TEMPERATURE,
HALL-EFFECT LATCH WITH ACTIVE PULL-DOWN
Always order by complete part number, e.g.,
A3195LU .
These Hall-effect latches are capable of sensing magnetic fields
while using an unprotected power supply. The A3195– can provide
position and speed information by providing a digital output for mag-
netic fields that exceed their predefined switch points. These devices
operate down to zero speed and have switch points that are designed
to be extremely stable over a wide operating temperature and voltage
range. The latching characteristics make them ideal for use in pulse
counting applications when used with a multi-pole ring magnet.
A 25 mA high-side driver combined with an active pull-down is espe-
cially useful for driving capacitive loads. Output short-circuit protection
allows for an increased wiring harness fault tolerance. The tempera-
ture compensated switch points, the wide operating voltage range, and
the integrated protection make these devices ideal for use in automo-
tive applications such as transmission speed sensors and integrated
wheel bearing speed sensors.
Each monolithic device contains an integrated Hall-effect trans-
ducer, a temperature-compensated comparator, a voltage regulator,
and a buffered high-side driver with an active pull-down. Supply
protection is made possible by the integration of overvoltage shutdown
circuitry that monitors supply fault conditions. Output protection
circuitry includes source and sink current current limiting for short
circuits to supply or ground.
The A3195E– is rated for operation over a temperature range of
-40
°
C to +85
°
C; the A3195L– is rated for operation over an extended
temperature range of -40
°
C to +150
°
C. They are supplied in a three-
lead SIP (suffix –U) or a surface-mount SOT-89 (suffix –LT).
FEATURES
I
Internal Protection For Automotive (ISO/DIN) Transients
I
Operation From Unregulated Supply
I
Reverse Battery Protection
I
Undervoltage Lockout
I
Supply Noise-Suppression Circuitry
I
Output Short-Circuit Protection
I
Output Zener Clamp
I
Thermal Protection
I
Symmetrical Latching Switch Points
I
Operable with Multipole Ring Magnets
Dwg. PH-013
1
S
V
C
G
3
2
O
X
LATCH
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, V
CC
(100 ms) ..........
115 V*
(continuous)...................................
26 V
Reverse Battery Voltage,
V
RCC
(100 ms)............................
-100 V
(continuous).................................
-30 V
Magnetic Flux Density, B...........
Unlimited
Reverse Output Voltage, V
OUT
.........
-0.5 V
Continuous Output Current,
I
OUT
...........................
Internally Limited
Package Power Dissipation,
P
D
........................................
See Graph
Junction Temperature, T
J
.................
170
°
C
Operating Temperature Range, T
A
Suffix “E–” ....................
-40
°
C to +85
°
C
Suffix “L–” ..................
-40
°
C to +150
°
C
Storage Temperature, T
S
.................
170
°
C
*Fault condition, internal overvoltage shutdown
above 28 V.
D
2
Pinning is shown viewed from branded side.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 3195_02 | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:PROTECTED, HIGH-TEMPERATURE, HALL-EFFECT LATCH WITH ACTIVE PULL-DOWN |
| 319500 | 制造商:SOLDER LUG 功能描述: |
| 319-501-04 | 制造商:MARL 制造商全稱:Marl International Limited 功能描述:PANEL INDICATOR LEDs - ?6.35mm Mounting |
| 319-501-21 | 制造商:MARL 制造商全稱:Marl International Limited 功能描述:PANEL INDICATOR LEDs - ?6.35mm Mounting |
| 319-501-22 | 制造商:MARL 制造商全稱:Marl International Limited 功能描述:PANEL INDICATOR LEDs - ?6.35mm Mounting |
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