ACS704ELC-015 View Datasheet(PDF) - Allegro MicroSystems

Part Name

Description

MFG CO.

ACS704ELC-015

Fully Integrated, Hall Effect-Based Linear Current Sensor with Voltage Isolation and a Low-Resistance Current Conductor

Allegro MicroSystems 

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ACS704ELC-015

ELECTRICAL CHARACTERISTICS, over operating ambient temperature range unless otherwise stated

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Primary Sensed Current1

IP

–15

–

15

A

Supply Voltage

VCC

4.5

5.0

5.5

V

Supply Current

ICC

VCC = 5.0 V, output open

5

8

10

mA

Output Resistance

ROUT

IOUT = 1.2 mA

–

1

2

Ω

Output Capacitance Load

CLOAD

VOUT to GND

–

–

10

nF

Output Resistive Load

RLOAD

VOUT to GND

4.7

–

–

kΩ

Primary Conductor Resistance

RPRIMARY TA = 25°C

–

1.5

–

mΩ

Isolation Voltage

VISO

Pins 1-4 and 5-8; 60 Hz, 1 minute

800

1200

–

V

PERFORMANCE CHARACTERISTICS, TA = –40°C to 85°C, VCC = 5 V unless otherwise specified

Propagation Time

tPROP

IP =±15 A, TA = 25°C

–

4

–

μs

Response Time

tRESPONSE IP =±15 A, TA = 25°C

–

8

–

μs

Rise Time

tr

IP =±15 A, TA = 25°C

–

9

–

μs

Frequency Bandwidth

f

–3 dB, TA = 25°C; IP is 10 A peak-to-

peak; no external filter

–

50

–

kHz

Sensitivity

Noise

Sens

Over full range of IP ,

IP applied for 5 ms; TA = 25°C

–

100

–

mV/A

Over full range of IP ,

IP applied for 5 ms; TA = –40 to 85°C

94

–

106

mV/A

VNOISE

Peak-to-peak, TA = 25°C,

no external filter

Root Mean Square, TA = 25°C,

no external filter

–

70

–

mV

–

12.5

–

mV

Linearity

ELIN

Over full range of IP ,

IP applied for 5 ms; TA = –40 to 85°C

–

±1

±3.5

%

Symmetry

ESYM

Over full range of IP ,

IP applied for 5 ms; TA = –40 to 85°C

98

100

102

%

Zero Current Output Voltage

VOUT(Q) IP = 0 A, TA = 25°C

–

VCC / 2

–

V

Electrical Offset Voltage

VOE

IP = 0 A, TA = 25°C

IP = 0 A, TA = –40 to 85°C

–15

–

–50

–

15

mV

50

mV

Magnetic Offset Error

IERROM

IP = 0 A, after excursion of 15 A;

TA = –40 to 85°C

–

±0.01

±0.05

A

IP =±15 A, IP applied for 5 ms;

TA = 25°C

–

±1.5

–

%

Total Output Error2

ETOT

IP = ±10 A, IP applied for 5 ms;

TA = –40 to 85°C

–

–

±6.0

%

IP = ±15 A, IP applied for 5 ms;

TA = –40 to 85°C

–

–

±8.4

%

1Device may be operated at higher primary current, IP , and Ambient Temperature, TA, levels, provided that the Maximum Junction Temperature, TJ(max),

is not exceeded.

2Percentage of IP, with IP = 15 A; Output filtered. Up to a 2.0% shift in ETOT may be observed at end-of-life for this device.

ACS704ELC015-DS, Rev. 6

3

115 Northeast Cutoff, Box 15036

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

www.allegromicro.com

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