MMA8450Q データシートの表示（PDF） - Freescale Semiconductor

部品番号

コンポーネント説明

メーカー

MMA8450Q

3-Axis, 8-bit/12-bit Digital Accelerometer

Freescale Semiconductor 

2

Mechanical and Electrical Specifications

2.1 Mechanical Characteristics

Table 2. Mechanical Characteristics @ VDD = 1.8 V, T = 25°C unless otherwise noted.

Parameter

Test Conditions

Symbol Min

Full Scale Measurement Range

FS[1:0] set to 01

±1.8

FS[1:0] set to 10

FS

±3.6

FS[1:0] set to 11

±7.2

Sensitivity

FS[1:0] set to 01

0.878

FS[1:0] set to 10

So

1.758

Sensitivity Change vs. Temperature(1)

Typical Zero-g Level Offset (2)

FS[1:0] set to 11

FS[1:0] set to 01

FS[1:0] set to 01

TCSo

3.515

FS[1:0] set to 10

0g-Off

Typical Zero-g Offset Post Board Mount (2), (3)

FS[1:0] set to 11

FS[1:0] set to 01

FS[1:0] set to 10

0g-OffBM

Typical Zero-g Offset Change vs. Temperature (2)

FS[1:0] set to 11

TCOff

Non Linearity

Best Fit Straight Line

FS[1:0] set to 01

FS[1:0] set to 10

NL

Self-test Output Change(4)

FS[1:0] set to 11

FS[1:0] set to 01, X-axis

FS[1:0] set to 01, Y-axis

Vst

FS[1:0] set to 01, Z-axis

Output Noise

Normal Mode ODR = 400 Hz Noise

Operating Temperature Range

Top

-40

1. Before board mount.

2. See appendix for distribution graphs.

3. Post board mount offset specification are based on an 8 layer PCB.

4. Self-test in one direction only. These are approximate values and can change by ±100 counts.

Typ

±2

±4

±8

0.976

1.953

3.906

±0.05

±40

±50

±0.5

±0.25

±0.5

±1

-195

-195

+945

375

Max

±2.2

±4.4

±8.8

1.074

2.148

4.296

+85

Unit

g

mg/digit

%/°C

mg

mg

mg/°C

% FS

LSB

μg/√Hz

°C

MMA8450Q

6

Sensors

Freescale Semiconductor, Inc.

Share Link: