Datasheet > A1391_16

A1391_16

更新时间： 2022-02-26 13:25:24

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描述
Micro Power 3 V Linear Hall Effect Sensor ICs

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A1391_16 数据手册

Micro Power 3 V Linear Hall Effect Sensor ICs

with Tri-State Output and User Selectable Sleep Mode

A1391, A1392,

A1393, and A1395

Device Characteristics Tables

ELECTRICAL CHARACTERISTICS valid through full operating ambient temperature range, unless otherwise noted

Characteristic

Supply Voltage

Symbol

V_CC

Test Conditions

Min.

2.5

–

Typ.¹

Max.

Units

–

3.5

Nominal Supply Voltage

V_CCN

V_CCZ

3.0

–

Supply Zener Clamp Voltage

Ratiometric Reference Voltage²

I_CC= 7 mA, T_A= 25°C

I_VREF= 3 mA, T_A= 25°C

8.3

–

V_REF

2.5

–

8.3

V_CC

Ratiometric Reference Zener Clamp Voltage

V_REFZ

–

–0.1

–

_CC+ 0.5

¯¯¯¯¯¯¯¯¯¯

SLEEP Input Voltage

V_INH

V_INL

For active mode

For sleep mode

0.45 × V_CC

0.20 × V_CC

–

¯¯¯¯¯¯¯¯¯¯

SLEEP Input Threshold

–

V_SLEEP> V_INH, V_CC= V_CCN,

T_A= 25°C

250

–

kΩ

Ratiometric Reference Input Resistance

Chopper Stabilization Chopping Frequency

R_REF

_SLEEP< V_INL,V_CC= V_CCN,

MΩ

T_A= 25°C

f_C

V_CC= V_CCN, T_A= 25°C

–

200

–

kHz

I_SLEEPV_SLEEP= 3 V, V_CC= V_CCN

V_SLEEP< V_INL,V_CC= V_CCN,

μA

¯¯¯¯¯¯¯¯¯¯

SLEEP Input Current

–

0.025

–

T_A= 25°C

Supply Current³

I_CC

_SLEEP> V_INH, V_CC= V_CCN,

–

3.2

–

T_A= 25°C

Quiescent Output Power Supply Rejection⁴

PSR_VOQf_AC< 1 kHz

–60

Typical data are for initial design estimations only, and assume optimum manufacturing and application conditions, such as T_A= 25°C. Performance

may vary for individual units, within the specified maximum and minimum limits.

Voltage applied to the VREF pin. Note that the V_REFvoltage must be less than or equal to V_cc. Degradation in device accuracy will occur with applied

voltages of less than 2.5 V.

If the VREF pin is tied to the VCC pin, the supply current would be I_CC+ V_REF/ R_REF

f_ACis any AC component frequency that exists on the supply line.

Allegro MicroSystems, LLC

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

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