True Zero Speed, Low Jitter, High Accuracy
Position Sensor IC
ATS627LSG
3
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
OPERATING CHARACTERISTICS Valid through full operating supply voltage and ambient temperature ranges, using
Reference Target 60+2; unless otherwise specified
Characteristics
Symbol
Test Conditions
Min.    Typ.
1
Max.    Unit
Electrical Characteristics
Supply Voltage
2
V
CC
Operating, T
J
J
(max)
4.0
24
V
Undervoltage Lockout
V
CC(UV)
V
CC
= 0 ?5 V or 5 ?0 V
3.6     3.95     V
Reverse Supply Current
3
I
RCC
V
CC
= V
RCC
(max)
10     mA
Supply Zener Clamp Voltage
V
Zsupply
I
CC
= I
CC
(max) + 3 mA, T
A
= 25篊
28
V
Supply Current
I
CC
7
12     mA
Test Pin Zener Clamp Voltage
4
V
ZTEST
6
V
Power-On Characteristics
Power-On State
POS   V
OUT
, IC connected as in figure 9
High     
V
Output Stage Characteristics
Low Output Voltage
V
OUT(SAT)
VOUT = On (V
OUT
= low), I
OUT
= 20 mA
0
450     mV
Output Zener Clamp Voltage
V
ZOUTPUT
I
OUT
= 3 mA, T
A
= 25癈
28
V
Output Leakage Current
I
OUT(OFF)
VOUT = Off (V
OUT
= high)
10
糀
Output Current Limit
I
OUT(LIM)
VOUT = On (V
OUT
= low), T
J
< T
J
(max)
25
45
70     mA
Output Rise Time
t
r(OUT)
V
PU
= 12 V, R
PU
= 1.0 k? C
LOAD
= 4.7 nF ,
see figure 1
10
約
Output Fall Time
t
f(OUT)
V
PU
= 12 V, R
PU
= 1.0 k? C
LOAD
= 4.7 nF,
see figure 1
0.6
2
約
DAC Characteristics
Allowable User-Induced Offset
5
B
DIFFEXT
60
60
G
Other Operating Characteristics, with Continuous Update method, bounded for increasing and decreasing AG
Running Mode Lockout Enable
LOE
115
mV
Running Mode Lockout Release
LOR
220
mV
Operate Point
B
OP
% of peak-to-peak V
PROC
, referenced from
PDAC to NDAC, V
OUT
high ?low
60
%
Release Point
B
RP
% of peak-to-peak V
PROC ,
referenced from
PDAC to NDAC, V
OUT
low ?high
40
%
Bandwidth
f
-3dB
  Cutoff frequency for low pass filter
20
kHz
Operational Speed
S
ROT
0
    12 000    rpm
Performance Characteristics
Operational Magnetic Range
B
IN
  Peak-to-peak differential signal
30
    1200     G
Air Gap
AG
Compliant to accuracy specifications, measured
from package branded face to target tooth
0.5
2.5     mm
No missed edges, measured from package
branded face to target tooth
0.5
3.0     mm
Relative Timing Accuracy, Sequential
Mechanical Rising Edges
ERR
RR
0.5 mm d AG d 2.5 mm; constant target speed,
Running mode; relative to measurement taken
at AG = 1.5 mm
?.4     deg.
Continued on the next page&