ACS709 Allegro MicroSystems, Inc., ACS709 Datasheet - Page 6

• Manufacturer Part Number: ACS709
• Description: High Bandwidth, Fast Fault Response Current Sensor Ic In Thermally Enhanced Package
• Manufacturer: Allegro MicroSystems, Inc.

ACS709
X20B PERFORMANCE CHARACTERISTICS
Optimized Accuracy Range
Linear Sensing Range
Performance Characteristics at V
Noise
Sensitivity
Electrical Offset Voltage
Total Output Error
1
bandwidth. See Characteristic Performance page for graphs of noise versus C
2
3
4
X35B PERFORMANCE CHARACTERISTICS
Optimized Accuracy Range
Linear Sensing Range
Performance Characteristics at V
Noise
Sensitivity
Electrical Offset Voltage
Total Output Error
1
bandwidth. See Characteristic Performance page for graphs of noise versus C
2
3
4
V
See Characteristic Performance Data graphs for parameter distribution over ambient temperature range.
This parameter can drift by as much as 1.75% over lifetime of the product.
This parameter can drift by as much as 2.5% over lifetime of the product.
V
See Characteristic Performance Data graphs for parameter distribution over ambient temperature range.
This parameter can drift by as much as 1.75% over lifetime of the product.
This parameter can drift by as much as 2.5% over lifetime of the product.
pk-pk
pk-pk
1
1
noise (6 sigma noise) is equal to 6 × V
noise (6 sigma noise) is equal to 6 × V
Characteristic
Characteristic
2,3
2,3
2,4
2,4
2
2
V
V
Symbol
Symbol
NOISE(rms)
NOISE(rms)
I
I
I
I
E
E
Sens
Sens
P(OA)
P(LIN)
CC
V
P(OA)
P(LIN)
CC
V
TOT
TOT
OE
OE
= 5 V
= 5 V
T
I
I
I
I
I
I
Tested at I
Tested at I
T
I
I
I
I
I
I
Tested at I
Tested at I
NOISE(rms)
NOISE(rms)
P
P
P
P
P
P
P
P
P
P
P
P
High Bandwidth, Fast Fault Response Current Sensor IC
A
A
= 12.5 A, T
= 12.5 A, T
= 12.5 A, T
= 0 A, T
= 0 A, T
= 0 A, T
= 25 A, T
= 25 A, T
= 25 A, T
= 0 A, T
= 0 A, T
= 0 A, T
= 25°C, Sens = 56 mV/A, C
= 25°C, Sens = 28 mV/A, C
, T
, T
A
A
. Lower noise levels than this can be achieved by using C
. Lower noise levels than this can be achieved by using C
A
A
A
A
A
A
P
P
P
P
Range L, valid at T
Range L, valid at T
A
A
A
= 25°C
= 25°C to 150°C
= – 40°C to 25°C
= 25°C
= 25°C to 150°C
= – 40°C to 25°C
=12.5 A , I
=12.5 A , I
= 25 A , I
= 25 A , I
= 25°C to 150°C
= – 40°C to 25°C
= 25°C
A
A
A
= 25°C to 150°C
= – 40°C to 25°C
= 25°C
P
P
P
P
applied for 5 ms, T
applied for 5 ms, T
applied for 5 ms, T
applied for 5 ms, T
Test Conditions
Test Conditions
f
f
A
A
= 0, C
= 0, C
= – 40°C to 150°C, V
= – 40°C to 150°C, V
f
f
and bandwidth versus C
and bandwidth versus C
LOAD
LOAD
A
A
A
A
= 25°C to 150°C
= – 40°C to 25°C
= 4.7 nF, R
= 4.7 nF, R
= 25°C to 150°C
= – 40°C to 25°C
In Thermally Enhanced Package
CC
CC
LOAD
LOAD
= 5 V, unless otherwise specified
= 5 V, unless otherwise specified
f
f
.
.
open
open
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
f
f
for applications requiring narrower
for applications requiring narrower
–37.5
–37.5
54.5
54.5
Min.
Min.
–20
–25
–75
–25
–40
–40
27
27
–
–
–
–
–
–
–
–
–
–
Typ.
1.50
Typ.
56
±5
±2
±3
28
±5
±3
±3
1
–
–
–
–
–
–
–
–
–
–
–
–
Max.
37.5
58.5
Max.
37.5
29.5
29.5
20
58
25
40
75
25
40
–
–
–
–
–
–
–
–
–
–
Units
Units
mV/A
mV/A
mV/A
mV/A
mV/A
mV/A
mV
mV
mV
mV
mV
mV
mV
mV
%
%
%
%
A
A
A
A
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