Datasheet > SCA3000-E04-1

SCA3000-E04-1

更新时间： 2024-01-04 19:35:16

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Product Family Specification

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数据手册

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SCA3000-E04-1 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.83	模拟集成电路 - 其他类型：	ANALOG CIRCUIT

SCA3000-E04-1 数据手册

SCA3000 Series

Table 2. Available measurement modes for SCA3000.

Available measurement

modes

SCA3000-D01

SCA3000-D02

SCA3000-E01

SCA3000-E02

Measurement

mode

SCA3000-E04

SCA3000-E05

Default after power-on

or reset

Measurement

mode

Measurement

mode

Measurement

mode

Bypass

Narrow band

measurement

mode

Narrow band

measurement

mode

Narrow band

measurement

mode

Optional measurement

mode 1

measurement

mode

Wide band

measurement

mode

Wide band

measurement

mode

Optional measurement

mode 2

Not available

2.2.1.1 Bypass measurement mode

In bypass measurement mode, the signal bandwidth of the SCA3000 is extended by bypassing the

low-pass filter in signal channel. As a result of a wider measurement bandwidth, the noise level is

higher.

2.2.1.2 Narrow band measurement mode

In narrow band measurement mode, the signal bandwidth of the SCA3000 is reduced by increasing

low-pass filtering in signal channel. In addition, the output data rate is halved due to decimation. As

a result of a narrower signal bandwidth, the noise level is lower.

2.2.1.3 Wide band measurement mode

In wide band measurement mode, the SCA3000 signal channel low-pass filtering pass band is

widened. As a result of a wider measurement bandwidth, the noise level is higher.

2.2.2 Usage

The optional measurement modes can be enabled by setting the bits called MODE_BITS in MODE

Acceleration data can be read from data output registers X_LSB, X_MSB, Y_LSB, Y_MSB, Z_LSB

and Z_MSB in all measurement modes. Each of these registers can be read one by one or using

the decrement register read, which is described in section 4.1.3.2 for SPI and 4.2.1.3 for I²C

interface. See section 3.3 for output register details.

2.2.2.1 Overflow condition

Since acceleration data registers have no limiter, the possible overflow needs to be detected using

bits [B7, B6, B5]. If bits [B7, B6, B5] are ‘011’ or ‘100’, data overflow has occurred (see Table 3).

This applies for all acceleration output registers (X_LSB … Z_MSB and BUF_DATA).

Table 3. Overflow bit patterns in acceleration data registers (X_LSB … Z_MSB and BUF_DATA).

Byte

MSB byte

LSB byte

Bit number

B7 B6 B5 B4 B3 B2 B1 B0 B7 B6 B5 B4 B3 B2:B0

Acceleration data bit Sign d11 d10 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0

Data overflow on

xxx

positive acceleration

Data overflow on

negative

acceleration

x = ignore

In case of overflow, the output register value must be discarded. When an overflow is detected, the

bit pattern ‘0101 1111 1111 1xxx’ is used for positive accelerations and ‘1010 0000 0000 0xxx’ for

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与SCA3000-E04-1相关器件

型号	品牌	获取价格	描述	数据表
SCA3000-E04-10	VTI	获取价格	Product Family Specification
SCA3000-E04-25	MURATA	获取价格	Analog Circuit,
SCA3000-E04-25	VTI	获取价格	Product Family Specification
SCA3000-E05	VTI	获取价格	3-AXIS ULTRA LOW POWER ACCELEROMETER WITH DIGITAL SPI INTERFACE
SCA3000-E05-1	VTI	获取价格	Analog Circuit
SCA3000-E05-1	MURATA	获取价格	Analog Circuit,
SCA3000-E05-10	VTI	获取价格	Product Family Specification
SCA3000-E05-25	MURATA	获取价格	Analog Circuit,
SCA3000-E05-25	VTI	获取价格	Analog Circuit
SCA3000-L01-25	VTI	获取价格	Analog Circuit

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