Datasheet > SCA1020-D02

SCA1020-D02

更新时间： 2024-01-15 06:57:38

品牌	Logo	应用领域
村田 - MURATA		光电二极管
页数	文件大小	规格书
3页	382K
描述
Analog Circuit, 1 Func, PDSO12, 16 X 9 MM, 5 MM HEIGHT, LEAD FREE, SMD-12

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技术参数
数据手册

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SCA1020-D02 技术参数

生命周期：	Transferred	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.58
Base Number Matches：	1

SCA1020-D02 数据手册

Preliminary

SCA1000 and SCA1020 Series

Accelerometer

FEATURES

BENEFITS

•

2-axis measurement: SCA1000 for X - Y measurement and

SCA1020 for Z - Y measurement

•

Excellent reliability and stability over time and

temperature

•

Available range 1.7 g

Interchangeable with SCA610/SCA620 (see interchangeability

drawing below)

•

High resolution and low noise

Wide operating temperature range

Outstanding overload and shock durability

•

Over damped sensing element to control frequency response

SMD DIL-12 lead-free component

Compatible with lead-free reﬂow soldering process

Advanced internal and external connection failure detection

Digitally activated electrostatic self-test

APPLICATIONS

•

2-axis acceleration measurements

2-axis platform leveling

Inclination based position measurement

360 ° vertical orientation measurement

Continuous memory parity check

Single +5 V supply; two ratiometric analog voltage outputs

Serial Peripheral Interface (SPI) compatible digital output (11 bits)

Internal temperature sensor, accessible via SPI

For customized product, please contact VTI Technologies

ELECTRICAL CHARACTERISTICS

Parameter

Condition

Min

Typ.

Max

Units

Supply voltage Vdd ⁽¹

Current consumption

Analog resistive output load

Analog capacitive output load

Digital output load

4.75

5.0

5.25

kOhm

Vdd = 5 V; No load

Vout to Vdd or Vss

@ 500 kHz

SPI clock frequency

500

kHz

µs

AD conversion time

150

Data transfer time

@500 kHz clock

µs

PERFORMANCE CHARACTERISTICS

Parameter

Condition

SCA1000-D01 SCA1020-D02

Units

Measuring range ⁽²

Nominal

1.7

Measuring direction relative to

mounting plane ⁽¹²

“X”= parellel

“Y” =parallel

“Z”= perpendicular

“Y”= parallel

See note 12.

Zero point ^(3,12

Sensitivity ^(4,12

Zero point error over temperature ⁽⁵

Mounting position

@ room temperature

-25…85 °C typical

-40…125 °C

Vdd/2

V/g

1.2

100

Sensitivity error over temperature ⁽⁶

-25…85 °C typical

-40…125 °C

Typical non-linearity ⁽⁷

Cross-axis sensitivity ⁽¹⁰

Frequency response –3dB ⁽⁸

Over measuring range

@ room temperature

@ -40…125 °C

3.5

50 30 Hz

Ratiometric error

Vdd = 4.75...5.25 V

From DC...100 Hz

Output noise density ⁽¹¹

µg/ Hz

Bits

Digital output resolution

VDD = 5.00V, UNLESS OTHERWISE SPECIFIED

Note 1

Note 2

100 nF supply by-pass capacitor is needed.

Measuring directions in parallel to mounting plane, arrows showing positive acceleration

direction.

Zero point speciﬁed as Voffset = Vout(0 g) [ V ]. See note 12.

Sensitivity speciﬁed as Vsens = {Vout(+1 g) - Vout(-1 g)}/2 [ V/g ]. See note 12.

Zero point error speciﬁed as Zero point error = {Vout(0 g) – Vdd/2} / Vsens [ g ] VSens =

Nominal sensitivity Vdd/2 = Nominal offset.

Sensitivity error speciﬁed as Sensitivity error = { [Vout(+1 g)-Vout(-1 g)] / 2 - Vsens_nom} /

Vsens_nom x 100 % [% ] Vsens_nom = nominal sensitivity See note 12.

From straight line through +1 g and -1 g points.

5.00V

Vout(@5V)

Vout(@Vx) x

Note 9

The ratiometric error is speciﬁed as:

RE = 100% x 1-

Note 3

Note 4

Note 5

Note 10

The cross-axis sensitivity determines how much acceleration, perpendicular to the measuring

axis, couples to the output. The total crossaxis sensitivity is the geometric sum of the

sensitivities of the two axis which are perpendicular to the measuring axis. The angular

alignment error between channels 1 and 2 is included into the cross axis error.

Typical ﬁgure. In addition, supply voltage noise couples to the output due to the

ratiometric nature of the accelerometer.

Note 6

Note 7

Note 8

Note 11

Note 12

The output has true DC (0 Hz) response.

Measuring directions.

Rev. 18 Jan 2005

VTI Technologies reserves the right to modify this speciﬁcation without prior to notice.

12 3

中文翻译

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