ATS692LSH Datasheet, PDF (3/12 Pages) Allegro MicroSystems – Two-wire, pulse width output protocol

ATS692LSH(RSNPH)
Two-Wire, Differential, Vibration Resistant
Sensor IC with Speed and Direction Output
OPERATING CHARACTERISTICS Valid at throughout full operating and temperature ranges; using Reference Target 60-0;
unless otherwise specified
Characteristic
Symbol
Test Conditions
Min.
Typ.¹
Max.
Unit
General Electrical Characteristics
Supply Voltage²
V_CC Operating, T_J < T_J(max)
4.0
–
24
V
Under Voltage Lockout
V_CC(UV) V_CC 0 → 5 V or 5 → 0 V
–
3.6
3.95
V
Reverse Supply Current³
I_RCC
V_CC = V_RCC(max)
–
–
–10
mA
Supply Zener Clamp Voltage
V_Z(SUPPLY) I_CC = I_CC(max) + 3 mA, T_A = 25ºC
28
–
–
V
I_CC(LOW) Low-current state (Running mode)
5.0
–
8.0
mA
Supply Current
I_CC(HIGH) High-current state (Running mode)
I_CC(SU)(LOW) Startup current level (Power-On mode)
12.0
–
16.0
mA
5.0
–
8.5
mA
I_CC(SU)(HIGH) High-current state (Calibration)
12.0
–
16.5
mA
Supply Current Ratio
I_{CC(HIGH) /}
I_CC(LOW)
Measured as ratio of high current to low current
1.9
–
–
–
Test Pins Zener Clamp Voltage⁴
V_Z(TEST)
–
6
–
V
Output Stage
Output Slew Rate
Output Pulse Characteristics⁵
SR_OUT
R_L = 100 Ω, C_L = 10 pF; I_CC(HIGH) → I_CC(LOW) ,
I_CC(LOW) → I_CC(HIGH) , 10% to 90% points
7.0
16
–
mA / μs
Pulse Width (Forward Rotation)
Pulse Width (Reverse Rotation)
Pulse Width (Non-Direction)
General Operating Characteristics
t_w(FWD)
t_w(REV)
t_w(ND)
38
45
52
μs
76
90
104
μs
153
180
207
μs
Operate Point
Release Point
Operating Frequency (Forward
Rotation)
B_OP
B_RP
f_FWD
% of peak-to-peak V_PROC
% of peak-to-peak V_PROC
–
69
–
%
–
31
–
%
0
–
12
kHz
Operating Frequency (Reverse
Rotation)⁶
f_REV
0
–
7
kHz
Operating Frequency (Non-Direction
Pulses)⁶
f_ND
0
–
4
kHz
DAC Characteristics
Allowable User-Induced Offset
B_OFFSET
Magnitude valid for both differential magnetic
channels
–60
–
60
G
Performance Characteristics
Air Gap Range
AG Using Allegro Reference Target 60-0
0.5
–
2.75
mm
Vibration Immunity (Startup)
Vibration Immunity (Running Mode)
err_VIB(SU) See figure 1
err_VIB See figure 1
T_TARGET
–
T_TARGET
–
–
deg.
–
deg.
Continued on the next page…
Allegro MicroSystems, LLC
3
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com