ACS704ELC-015 Allegro Microsystems Inc, ACS704ELC-015 Datasheet
ACS704ELC-015
Specifications of ACS704ELC-015
Available stocks
Related parts for ACS704ELC-015
ACS704ELC-015 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. ACS704ELC-015 ...
Page 2
... Factory-trimmed for accuracy • Extremely stable output offset voltage • Near-zero magnetic hysteresis • Ratiometric output from supply voltage Use the following complete part number when ordering: Part Number ACS704ELC-015 / 2) when an increasing CC Package SOIC8 surface mount 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www ...
Page 3
... Pin 3 Pin 4 IP– IP– IP+ IP+ Pin 1 Pin 2 ACS704ELC015-DS, Rev. 7 ACS704ELC-015 Functional Block Diagram VCC Pin 8 Voltage Regulator To all subcircuits Amp Temperature Gain Coefficient Trim Control GND Pin 5 A Pins 6 and 7 are internally connected in shipping product. For compatibility with future devices, leave pin 6 floating. ...
Page 4
... Electrical Offset Voltage Magnetic Offset Error Total Output Error 2 1 Device may be operated at higher primary current not exceeded. 2 Percentage with Output filtered 2.0% shift ACS704ELC015-DS, Rev. 7 ACS704ELC-015 over operating ambient temperature range unless otherwise stated Symbol Test Conditions 5.0 V, output open ...
Page 5
... ACS704ELC015-DS, Rev. 7 ACS704ELC-015 Typical Performance Characteristics (°C) A Supply Current versus Applied V 4.7 4.8 4.9 5 5 100 125 150 CC 5 ...
Page 6
... ACS704ELC015-DS, Rev. 7 ACS704ELC-015 Output Voltage versus Primary Current –15 –10 – (A) P Sensitivity versus Primary Current –15 –10 – (A) P °C –40 –20 ...
Page 7
... Zero Current Output Currrent versus Ambient Temperature 0.20 0.16 0.12 0.08 0.04 0 -0.04 -0.08 -0.12 -0.16 -0.20 -50 ACS704ELC015-DS, Rev. 7 ACS704ELC-015 - (°C) A (Data in above chart converted to amperes - (° 100 125 150 ...
Page 8
... Nonlinearity versus Ambient Temperature 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 -50 -25 ACS704ELC015-DS, Rev. 7 ACS704ELC-015 after excursion (° (° 100 125 150 75 100 125 150 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www ...
Page 9
... Attenuation of ACS704 Output versus AC Sinusoidal Current Frequency 0 -1.0 -2.0 -3.0 -4.0 -5.0 -6.0 -7 ACS704ELC015-DS, Rev. 7 ACS704ELC-015 Current Frequency (kHz 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com 8 ...
Page 10
... Step Response of ACS704ELC-015 at T Typical Peak-to-Peak Noise of ACS704ELC-015 at T ACS704ELC015-DS, Rev. 7 ACS704ELC-015 ACS704 Output (mV Excitation Signal =25°C A =25°C A 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com 9 ...
Page 11
... ACS704ELC-015 Noise Filtering and Frequency Response Performance Break Frequency of Filter on Programmed Output Sensitivity (kHz) Unfiltered 7.0 3.3 The ACS704 outputs an analog signal, V sampled current within the range specified ment, with values that depend on the application. ACS704ELC015-DS, Rev. 7 ACS704ELC-015 Nominal Peak-to- Resolution ...
Page 12
... Ratiometry. The ratiometric feature means that its 0 A output The following formula is used to derive the ratiometric change output voltage, V tional to its supply voltage (%):The ratiometric change in sensitivity, Sens ACS704ELC015-DS, Rev. 7 ACS704ELC-015 [ { V out_full-scale amperes – 100 1– out_half-scale amperes – out_+full-scale amperes – V ...
Page 13
... Output voltage vs. current, illustrating device accuracy and at full-scale current ACS704ELC015-DS, Rev. 7 ACS704ELC-015 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com 12 ...
Page 14
... The time interval between a) when the device reaches 10% of its full scale value, and b) when it r reaches 90% of its full scale value. The rise time to a step response is used to derive the bandwidth of the IC, in which ƒ(–3 dB Both t r the conductive IC ground plane. ACS704ELC015-DS, Rev. 7 ACS704ELC-015 Primary Current I (%) 90 Transducer Output 0 Propagation Time, t PROP ...
Page 15
... Fire and Electric Shock Device Branding Key (Two alternative styles are used) ACS704T ELC015 YYWWA ACS704T ELC015 L...L YYWW ACS704ELC015-DS, Rev. 7 ACS704ELC-015 UL recognized to UL 94V-0 UL60950-1:2003 EN60950-1:2001 CAN/CSA C22.2 No. 60950-1:2003 ACS Allegro Current Sensor 704 Device family number T Indicator of 100% matte tin leadframe plating ...
Page 16
... This technique is made possible through the use of a BiCMOS process that allows the use of low-offset and low-noise amplifiers in combination with high-density logic integration and sample and hold circuits. Concept of Chopper Stabilization Technique ACS704ELC015-DS, Rev. 7 ACS704ELC-015 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com ...
Page 17
... ACS704 output in mV (peak to peak). The noise was measured both before and after the application of the stimulus. Transient common-mode voltage rejection as a function of frequency is shown in the following figure. –30 –35 –40 –45 –50 –55 –60 0.06 ACS704ELC015-DS, Rev. 7 ACS704ELC-015 Applications Information Output C=0.01µ ...
Page 18
... A graph similar to the graph below was used to determine the junction temperature of the ACS704. Voltage vs. Temperature Curve used to Determine Die Junction Temperature ACS704ELC015-DS, Rev. 7 ACS704ELC-015 2 oz both sides of board = 20C. All tests were conducted in still air. a 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www ...
Page 19
... Allegro evaluation boards we see that even at an applied current the junction temperature of the ACS704 is only ~30 degrees above ambient temperature. ACS704 Thermal Performance on the Allegro Eval PC Boards ACS704ELC015-DS, Rev. 7 ACS704ELC-015 = 20°C, still air, 2 oz. copper traces Trace Width (mm) Trace Length (mm ...
Page 20
... The in for ma tion in clud ed herein is believed rate and reliable. How ev er, Allegro MicroSystems, Inc. assumes no re spon si bil i ty for its use; nor for any in fringe ment of patents or other rights of third parties which may result from its use. Copyright©2005, 2006, Allegro MicroSystems, Inc. ACS704ELC015-DS, Rev. 7 ACS704ELC-015 Package LC, 8-pin SOIC 5.00 .197 4 ...