SCA720-D01
Murata Electronics Oy 3/13
www.muratamems.fi Doc. nr. 82171500 Rev.A
1. Electrical Specifications
1.1. Absolute Maximum Ratings
Acceleration (powered or non-powered) 20 000
(1
g
Supply voltage −0.3 to +7.0 V
Voltage at input / output pins
−0.3 to V
DD
+ 0.3
V
ESD HBM (Human Body Model)
±2
kV
ESD CDM (Charged Device Model)
±500 middle pins
±750 corner pins
V
Temperature range (storage) −50 to +125 °C
Temperature range (operating) −40 to +125 °C
1
Equals to drop from 1 meter on a concrete surface.
1.2. Performance Characteristics
V
DD
= 5.00 V and ambient temperature unless otherwise specified.
Measuring range Nominal -1.11 +3.11 g
Supply voltage Vdd 4.75 5.0 5.25 V
<CC> 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 kΩ
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
<CC> Offset (Output at +1 g) @ room temperature Vdd/2 V
<CC> Sensitivity @ room temperature 0.1875 ×
Vdd
(≈ 0.9375)
V/g
<SC> Offset Error (Output at +1 g) −40 °C...125 °C -137 0 +137 mg
<SC> Sensitivity error −40 °C...125 °C −3 0 +3 %
Typical non-linearity Within the measuring
range
−60 +60 mg
Amplitude response −3 dB
68 115 170 Hz
Ratiometric error Vdd = 4.75 V...5.25 V −2 +2 %
<SC> Cross-axis sensitivity @ room temperature 3.9 %
Output noise From DC...4 kHz 5 mV
Start-up delay Reset and parity check 10 ms
Self test pull down resistor
(Internal)
44 62 80 kΩ
A)
CC= Critical Characteristics. Must be 100% monitored during production
SC= Significant Characteristic. The process capability (Cpk) must be better than 1.33, which allows sample based
testing. If process is not capable the part will be 100% tested
B)
Output has true DC response