Allegro MicroSystems A1321 Скачать руководство пользователя страница 13

Ratiometric Linear Hall Effect Sensor ICs 

for High-Temperature Operation 

A1321, A1322, 

and

 A1323 

12

Allegro MicroSystems, Inc.

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

For the latest version of this document, visit our website:

www.allegromicro.com

Copyright ©2004-2010, Allegro MicroSystems, Inc.
Allegro MicroSystems, Inc. reserves the right to make, from time to time, such de par tures from the detail spec i fi ca tions as may be required to per-

mit improvements in the per for mance, reliability, or manufacturability of its products.  Before placing an order, the user is cautioned to verify that the 
information being relied upon is current.  

Allegro’s products are not to be used in life support devices or systems, if a failure of an Allegro product can reasonably be expected to cause the 

failure of that life support device or system, or to affect the safety or effectiveness of that device or system.

The in for ma tion in clud ed herein is believed to be ac cu 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.

Package UA, 3-Pin SIP

2

3

1

0.79 REF

1.27 NOM

2.16 
MAX

0.51
REF

45°

C

45°

B

E

E

E

2.04

1.44

Gate burr area

A

B

C

Dambar removal protrusion (6X)

A

D

E

D

Branding scale and appearance at supplier discretion

Hall element, not to scale

Active Area Depth, 0.50 mm  REF

For Reference Only; not for tooling use (reference DWG-9049)
Dimensions in millimeters
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions 
Exact case and lead configuration at supplier discretion within limits shown

Standard Branding Reference View

 

= Supplier emblem

  N = Last two digits of device part number
  T = Temperature code

NNT

1

Mold Ejector
Pin Indent

Branded 
Face

4.09 +0.08

–0.05

0.41 +0.03

–0.06

3.02 +0.08

–0.05

0.43 +0.05

–0.07

15.75 ±0.51

1.52 ±0.05

Содержание A1321

Страница 1: ...y for its use nor for any infringements of patents or other rights of third parties which may result from its use Ratiometric Linear Hall Effect Sensor ICs for High Temperature Operation A1321 A1322 a...

Страница 2: ...rnal high frequency clock reduces the residual offset voltage normally caused by device overmolding temperature dependencies and thermal stress The high frequency clock allows for a greater sampling r...

Страница 3: ...00 A1323LLHLT T2 7 in reel 3000 pieces reel Surface Mount 40 to 150 A1323LUA T3 Bulk 500 pieces bag SIP through hole 1Contact Allegro for additional packing options 2This variant is in production howe...

Страница 4: ...croSystems Inc 115 Northeast Cutoff Worcester Massachusetts 01615 0036 U S A 1 508 853 5000 www allegromicro com Terminal List Symbol Number Description Package LH Package UA VCC 1 1 Connects power su...

Страница 5: ...30 kHz Clock Frequency fC 150 kHz Output Characteristics over VCC range unless otherwise noted Noise Peak to Peak4 VN A1321 Cbypass 0 1 F no load 40 mV A1322 Cbypass 0 1 F no load 25 mV A1323 Cbypass...

Страница 6: ...Sens at TA min5 Sens TAmin From cold to room temperature 6 4 Sensitivity Drift6 SensDrift TA 25 C after temperature cycling and over time 2 LH Package Delta Sens at TA max5 Sens TAmax From hot to roo...

Страница 7: ...ount proportional to the magnetic field applied Conversely the application of a north pole will decrease the output voltage from its quiescent value This proportionality is specified as the sensitivit...

Страница 8: ...Average Positive Linearity Lin vs Temperature Vcc 5 V 95 96 97 98 99 100 101 102 103 104 105 40 20 0 25 85 115 125 150 TA C Lin Average Negative Linearity Lin vs Temperature Vcc 5 V 95 96 97 98 99 10...

Страница 9: ...5 V 2 2 5 3 3 5 4 4 5 5 5 5 6 40 20 0 25 85 115 125 150 TA C Sens mV G A1322 A1321 A1323 Average Delta Quiescent Output Voltage Vout q T vs Temperature in readings at each temperature are relative to...

Страница 10: ...a each side connected by thermal vias 110 C W Package UA 1 layer PCB with copper limited to solder pads 165 C W Additional thermal information available on Allegro website 6 5 4 3 2 1 0 20 40 60 80 10...

Страница 11: ...of varying power levels Power Dissipation PD can be estimated The following formulas represent the fundamental relationships used to estimate TJ at PD PD VIN IIN 1 T PD R JA 2 TJ TA T 3 For example gi...

Страница 12: ...ary to meet application process requirements and PCB layout tolerances Branding scale and appearance at supplier discretion A PCB Layout Reference View Standard Branding Reference View 1 Branded Face...

Страница 13: ...upport device or system or to affect the safety or effectiveness of that device or system The information included herein is believed to be accurate and reliable However Allegro MicroSystems Inc assum...

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