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參數(shù)資料
| 型號： | ATS650LSH-I2 |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT |
| 文件頁數(shù)： | 6/11頁 |
| 文件大小： | 469K |
| 代理商： | ATS650LSH-I2 |
4
ATS650LSH-DS Rev. 0
Worcester, Massachusetts 01615-0036 (508) 853-5000
115 Northeast Cutoff, Box 15036
www.allegromicro.com
Allegro MicroSystems, Inc.
Two-Wire Direction Detection Gear Tooth Sensor with Diagnostic Output
ATS650LSH
1ICC(HIGH) ICC(LOW) ≥ 1.85 mA.
2Edge count is based on mechanical edges. On the NCal edge, direction and speed information is valid.
3Edge count is based on mechanical edges. On the NCD edge, direction and speed information is valid.
4Maximum Operating Frequency may be increased if the application can resolve at LD(MIN).
5Diagnostic Data Drop-Out Frequency is based on a fixed internal clock frequency and is independent of LD.
6Diagnostic gauss levels track each other such that proper order is maintained.
7Nonsinusoidal target magnetic profiles may result in an incorrect direction signal for field levels below BThresh.
ELECTRICAL CHARACTERISTICS (Continued) Valid for –40°C ≤ TA ≤ 150°C; TJ ≤ 165°C, unless otherwise noted
Characteristics
Symbol
Test Conditions
Min.
Typ.
Max.
Units
DIAGNOSTIC CHARACTERISTICS
Maximum Air Gap Threshold6
BLimit
Maximum air gap limit exceeded
12
17
25
GPK-PK
Air Gap Warning Threshold7
BThresh
Apporaching maximum air gap limit
20
29
44
GPK-PK
Installation Threshold
BInstall
Nominal operating threshold
43
62
94
GPK-PK
Low Temperature Threshold
TJ(LOW)
IC junction temperature
–20
–5
10
°C
High Temperature Threshold
TJ(HIGH) IC junction temperature
75
95
115
°C
PROTOCOL PULSE CHARACTERISTICS
Low State Duration4
LD
Falling output signal edge to subsequent
rising output signal edge
10
–
s
Pulse Width Right Rotation
PWR
Rotation right to left (pin 4 → pin 1)
153
180
207
s
Pulse Width Left Rotation
PWL0
Rotation left to right (pin 1 → pin 4);
Data Bit 0
38
45
52
s
PWL1
Rotation left to right (pin 1 → pin 4);
Data Bit 1; fL < fDO
76
90
104
s
Characterization Data
Icc vs. Temperature, VCC =12V
Temperature, TA (C)
I cc
(m
A)
ICC(LOW)
ICC(HIGH)
-20
-40
0
20
40
60 80
100 120 140 160
4
6
8
10
12
14
16
Preliminary - Subject to Change
Without Notice June 3, 2004
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