Datasheet > ACS70331EESATR-2P5B3

ACS70331EESATR-2P5B3

更新时间： 2024-01-06 18:09:09

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急速微 - ALLEGRO		/
页数	文件大小	规格书
26页	1590K
描述
High Sensitivity, 1 MHz, GMR-Based Current Sensor IC in Space-Saving, Low Resistance QFN and SOIC-8 Packages

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High Sensitivity, 1 MHz, GMR-Based Current Sensor IC

in Space-Saving, Low Resistance QFN and SOIC-8 Packages

ACS70331

COMMON ELECTRICAL CHARACTERISTICS ^[1]: Valid over full range of T_A, and V_CC= 3.3 V, unless otherwise speciﬁed

Characteristic

ELECTRICAL CHARACTERISTICS

Supply Voltage

Symbol

Test Conditions

Min.

Typ.

Max.

Unit

V_CC

I_CC

3.0

–

3.3

4.5

V_CC(min) ≤ V_CC≤ V_CC(max), no load on

VIOUT, fuses powered down

Supply Current

V_CC(min) ≤ V_CC≤ V_CC(max), no load on

I_{CC_START_UP}VIOUT, fuses powered (from time when

_CCrises above V_CC(min) to t_FPD

–

7.5

)

QFN-12 package, T_A= 25°C

SOIC-8 package, T_A= 25°C

QFN-12 package

SOIC-8 package

T_A= 25°C

–

1.1

1.7

–

mΩ

µs

Primary Conductor Resistance

Primary Conductor Inductance

R_IP

L_IP

–

Power On Time

t_PO

Fuse Power Down Time ^[2]

OUTPUT CHARACTERISTICS

Output Resistive Load

t_FPD

T_A= 25°C

120 ^[3]

µs

R_L

C_L

VIOUT to GND or VIOUT to VCC

–

kΩ

VIOUT to GND, output is stable, slew

rate and bandwidth are reduced

100

Output Capacitive Load

VIOUT to GND, maintains BW

T_A= 25°C

–

Source Current

Sink Current

I_SOURCE

I_SINK

0.4

0.5

T_A= 25°C

–

V_CC(min) < V_CC< V_CC(max);

R_L= 22 kΩ to GND

V_{SAT_HIGH}

V_{SAT_LOW}

2.8

–

V_CC– 0.15

–

Saturation Voltage ^[4]

V_CC(min) < V_CC< V_CC(max);

R_L= 22 kΩ to VIOUT

200

Bandwidth

–3 dB bandwidth

–

MHz

Response Time

Rise Time

t_RESPONSE

1 V swing on VIOUT, 80% to 80%

1 V swing on VIOUT, 10% to 90%

1 V swing on VIOUT, 20% to 20%

535

460

220

t_r

Propagation Delay

t_pd

µA_RMS

√(Hz)

Noise Density

Noise

I_ND

I_N

Input referred noise density

–

Input reference noise; T_A= 25°C,

Bandwidth = 1 MHz

mA_RMS

T_A= 25°C; change in the output at zero

current after a ±10 A pulse of current

through the sensor

–

Hysteresis

I_H

T_A= 25°C; change in the output at zero

current after a ±100 A pulse (~20 ms in

duration) of current through the sensor

–

Continued on next page...

Allegro MicroSystems, LLC

955 Perimeter Road

Manchester, NH 03103-3353 U.S.A.

www.allegromicro.com

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