automotive accelerometer muRata SCA630-EDCV1B-1 with signal conditioning ASIC and failure detection functions

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Product Description

Product Overview

The SCA630 is a single-axis accelerometer with an analog interface, designed for automotive applications requiring high stability and reliability. It integrates a silicon micro-machined sensing element with a signal conditioning ASIC, featuring enhanced failure detection capabilities including digital self-test and connection failure detection. The device operates from a single +5V supply with low current consumption and offers a ratiometric output.

Product Attributes

Brand: Murata Electronics Oy
Product Family: SCA630
Model: SCA630-EDCV1B
Certifications: AEC-Q100

Technical Specifications

Parameter	Condition	Min.	Typ.	Max.	Units	Notes
Acceleration Measurement Range	Nominal	-12.3		+13.3	g
Supply Voltage		4.75	5.0	5.25	V
Current Consumption	Vdd = 5 V; No load		2.5	4.0	mA
Operating Temperature		-40		+125	C
Resistive Output Load	Vout to Vdd or Vss			20	k
Capacitive Load	Vout to Vdd or Vss			20	nF
Min. Output Voltage	Vdd = 5 V; 20k from Vout to Vdd	0	0.25		V
Max. Output Voltage	Vdd = 5 V; 20k from Vout to Vss	4.75	5.00		V
Linear Output Voltage Range	Limiter function enabled	0.5		4.5	V
Offset (Output at +1 g)	@ room temperature		Vdd/2		V
Sensitivity @ room temperature		0.150	(0.03*Vdd)		V/g
Offset Error (Output at +1 g)	40 C...125 C	-870	0	+870	mg
Sensitivity Error	40 C...125 C	-5	0	+5	%
Typical Non-linearity	Within the measuring range	-400		+400	mg
Amplitude Response (-3 dB)		250	400	550	Hz	B)
Ratiometric Error	Vdd = 4.75 V...5.25 V	-2		+2	%
Cross-axis Sensitivity	@ room temperature		3.9		%
Output Noise	From DC...4 kHz		5		mVrms
Start-up Delay	Reset and parity check			10	ms
Self Test Pull Down Resistor (Internal)		44	62	80	k
Limiter Cutoff Voltage (Low)		0.05 Vdd		0.10 Vdd	V
Limiter Cutoff Voltage (High)		0.90 Vdd		0.95 Vdd	V
Min. Output Voltage (Limiter Enabled)	VDD = 5 V	0.25			V
Max. Output Voltage (Limiter Enabled)	VDD = 5 V			4.75	V
Linear Range (Limiter Enabled)	VDD = 5 V	0.5		4.5	V