ATS601LSG datasheet(3/14 Pages) ALLEGRO

3 / 14 page

Single Element, Tooth Detecting Speed Sensor IC

ATS601

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615–0036 U.S.A.

1.508.853.5000; www.allegromicro.com

OPERATING CHARACTERISTICS Valid using Allegro reference target 8X, and VCC and TA within specification; unless

otherwise specified

Characteristic

Symbol

Test Conditions

Min.

Typ.1

Max.

Unit2

Electrical Characteristics

Supply Voltage3

VCC

Continuous operation, TJ < TJ(max)

3.3

–

Undervoltage Lockout4

VCC(UV)rise Rising VCC (0 V → 5 V)

2.5

–

3.1

VCC(UV)fall Falling VCC (5 V → 0 V)

2.4

–

3.0

Supply Zener Clamp Voltage

VZsupply

ICC = ICC(max) + 3 mA; TA = 25°C

–

Reverse Supply Zener Clamp Voltage

VRZsupply ICC = –3 mA, TA = 25°C

–18

–

Supply Current

ICC

–

Power-On Characteristics

Power-On Time5

tPO

VCC > VCC(min)

–

Power-On State6

POS

Connected as in figure 1

–

High

–

Output Stage Characteristics

Output On Voltage

VOUT(SAT) IOUT = 15 mA, Output = On state (VOUT = Low)

–

450

Output Zener Clamp Voltage

VZoutput

IOUT = 3 mA, TA = 25°C

–

Output Current Limit

IOUT(LIM)

Output = On state (VOUT = Low)

–

Output Leakage Current

IOUT(OFF) VOUT = 24 V, Output = Off state (VOUT = High)

–

μA

Output Rise Time

Measured 10% to 90% of VOUT; RPU = 1 kΩ,

CL = 4.7 nF, VPU = 5 V; see figure 2

–10–

μs

Output Fall Time

Measured 90% to 10% of VOUT; RPU = 1 kΩ,

CL = 4.7 nF, VPU = 5 V; see figure 2

μs

Output Delay Time7

1 kHz sinusoidal input signal; see figure 3

–

μs

Performance Characteristics

Operational Air Gap Range8

N option

Allegro 8X reference target

1.0

–

3.0

W option

0.5

–

2.5

Magnetic Signal Range

BSIG

N option

Peak to peak signal

–

1000

GPKPK

W option

120

–

1000

GPKPK

Analog Signal Bandwidth

Equivalent to –3 dB cutoff frequency

–

kHz

Continued on the next page…

CBYPASS

0.1 μF

VPU

RPU

VCC

OUT

TEST

(Float)

Output

GND

ATS601

Figure 1. Typical application circuit

Figure 2. Output Rise Time and Output Fall Time

V+

100

VOUT(High)

VOUT(Low)

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