ACS704ELC-005_06 ALLEGRO [Allegro MicroSystems], ACS704ELC-005_06 Datasheet

no-image

ACS704ELC-005_06

Manufacturer Part Number
ACS704ELC-005_06
Description
Fully Integrated, Hall Effect-Based Linear Current Sensor with Voltage Isolation and a Low-Resistance Current Conductor
Manufacturer
ALLEGRO [Allegro MicroSystems]
Datasheet
Allegro MicroSystems, Inc. reserves the right to make, from time to time, revisions to the anticipated product life cycle plan
for a product to accommodate changes in production capabilities, alternative product availabilities, or market demand. The
information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no respon-
sibility for its use; nor for any infringements of patents or other rights of third parties which may result from its use.
with Voltage Isolation and a Low-Resistance Current Conductor
Fully Integrated, Hall Effect-Based Linear Current Sensor
Date of status change: October 31, 2006
For existing customer transition, and for new customers or new appli-
cations, refer to the ACS712.
These parts are in production but have been determined to be
NOT FOR NEW DESIGN. This classification indicates that sale of
this device is currently restricted to existing customer applications.
The device should not be purchased for new design applications
because obsolescence in the near future is probable. Samples are no
longer available.
Recommended Substitutions:
NOTE: For detailed information on purchasing options, contact your
local Allegro field applications engineer or sales representative.
Not for New Design
ACS704ELC-005

Related parts for ACS704ELC-005_06

ACS704ELC-005_06 Summary of contents

Page 1

... The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no respon- sibility for its use; nor for any infringements of patents or other rights of third parties which may result from its use. Not for New Design ACS704ELC-005 ...

Page 2

Bidirectional 1.5 mΩ Hall Effect Based Linear Current Sensor Package LC Pin 8: VCC Pin 7: VOUT Pin 6: N.C. Pin 1: IP+ Pin 2: IP+ Pin 3: IP– Pin 4: IP– Pins 6 and 7 are internally connected in ...

Page 3

Pin 3 Pin 4 IP– IP– IP+ IP+ Pin 1 Pin 2 ACS706ELC20A-DS, Rev. 2 ACS706ELC-20A Functional Block Diagram VCC Pin 8 Voltage Regulator To all subcircuits Amp Temperature Gain Coefficient Trim Control GND Pin 5 A Pins 6 and ...

Page 4

OPERATING CHARACTERISTICS Characteristic Symbol ELECTRICAL CHARACTERISTICS, over operating ambient temperature range unless otherwise specified Optimized Accuracy Range I P Linear Sensing Range I R Supply Voltage V CC Supply Current I CC Output Resistance R OUT Output Capacitance Load C ...

Page 5

Supply Current versus Ambient Temperature 10.0 9.5 9.0 8.5 8.0 7.5 7.0 6.5 6.0 -50 -25 8.66 8.64 8.62 8.60 8.58 8.56 8.54 8.52 8.50 8.48 8.46 8.44 4.5 4.6 ACS706ELC20A-DS, Rev. 2 ACS706ELC-20A Typical Performance Characteristics ...

Page 6

ACS706ELC20A-DS, Rev. 2 ACS706ELC-20A Output Voltage versus Primary Current ...

Page 7

Zero Current Output Voltage vs. Ambient Temperature 2.525 2.520 2.515 2.510 2.505 2.500 2.495 2.490 2.485 2.480 2.475 -50 Zero Current Output Currrent versus Ambient Temperature 0.25 0.20 0.15 0.10 0.05 0 -0.05 -0.10 -0.15 -0.20 -0.25 -50 ACS706ELC20A-DS, Rev. ...

Page 8

Magnetic Offset versus Ambient Temperature 0 –0.5 –1.0 –1.5 –2.0 –2.5 –3.0 –3.5 –4.0 –4.5 –5.0 –50 –25 Nonlinearity versus Ambient Temperature 1.0 0.8 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 –1.0 –50 –25 ACS706ELC20A-DS, Rev. 2 ACS706ELC-20A V ...

Page 9

Typical Percentage Error versus Ambient Temperature –2 –4 –6 –8 –50 –25 ACS706ELC20A-DS, Rev. 2 ACS706ELC-20A Measurements –40, –20, 25, 85, and 125°C A Mean + 3 Sigma Mean Mean – 3 ...

Page 10

Step Response of ACS706ELC-20A at T Typical Peak-to-Peak Noise of ACS706ELC-20A at T ACS706ELC20A-DS, Rev. 2 ACS706ELC-20A ACS706 Output (mV Excitation Signal Time = 5 μs/div. Excitation signal = 1.00 A/div. Output = 100 mV/div. Time = 20 ...

Page 11

ACS706ELC-20A Noise Filtering and Frequency Response Performance Break Frequency of Filter on Output Resistance (kHz) (kΩ) Unfiltered – 80 0.200 50 0.320 40 0.392 20 0.800 10 1.6 7.0 3.15 3.3 4.8 0.6 26 0.3 53 ACS706ELC20A-DS, Rev. 2 ACS706ELC-20A ...

Page 12

Definitions of Accuracy Characteristics Sensitivity (Sens). The change in sensor output in response change through the primary conductor. The sensitivity is the prod- uct of the magnetic circuit sensitivity ( and the linear IC ...

Page 13

Output voltage vs. current, illustrating sensor accuracy and at full-scale current O e ΔTemperature v r 25°C Only –I P –I (A) P Accuracy 25°C Only Accuracy O e ΔTemperature v r ACS706ELC20A-DS, Rev. 2 ACS706ELC-20A Increasing ...

Page 14

Definitions of Dynamic Response Characteristics Definitions of Dynamic Response Characteristics Definitions of Dynamic Response Characteristics Definitions of Dynamic Response Characteristics Propagation delay (t ): The time required for the sensor output to reflect a change in the primary cur- PROP ...

Page 15

Standards and Physical Specifications Parameter Flammability (package molding compound) Fire and Electric Shock Device Branding Key (Two alternative styles are used) ACS706T ELC20A YYWWA ACS706T ELC20A L...L YYWW ACS706ELC20A-DS, Rev. 2 ACS706ELC-20A UL recognized to UL 94V-0 UL60950-1:2003 EN60950-1:2001 CAN/CSA ...

Page 16

Chopper Stabilization Technique Chopper Stabilization is an innovative circuit technique that is used to minimize the offset voltage of a Hall element and an associated on-chip amplifier. Allegro patented a Chopper Stabilization technique that nearly eliminates Hall IC output drift ...

Page 17

Transient Common-Mode Voltage Rejection in the ACS706 In order to quantify transient common-mode voltage rejection for the ACS706, a device was soldered onto a printed circuit board. A 0.1 μF bypass capacitor and power supply were ...

Page 18

The Effect of PCB Layout on ACS706 Thermal Performance Eight different PC boards were fabricated to characterize the effect of PCB design on the operating junction temperature of the Hall-effect IC inside of the ACS706. These PC boards are shown ...

Page 19

Improved PC Board Designs The eight PC boards in the figure above do not represent an ideal PC board for use with the ACS706. The ACS706 evaluation boards, for sale at the Allegro Web site On-Line Store, represent a more ...

Page 20

Preliminary dimensions, for reference only Dimensions in millimeters U.S. Customary dimensions (in.) in brackets, for reference only (reference JEDEC MS-012 AA) Dimensions exclusive of mold flash, gate burrs, and dambar protrusions Exact case and lead configuration at supplier discretion within ...

Related keywords