MMA8652FC datasheet(8/77 Pages) FREESCALE

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MMA8652FC

Sensors

Freescale Semiconductor, Inc.

2.2

Mechanical characteristics

Table 4. Mechanical characteristics at VDD = 2.5V, VDDIO = 1.8V, T = 25°C unless otherwise noted

Parameter

Test Conditions

Symbol

Min

Typ

Max

Unit

Measurement Range

FS[1:0] set to 00

2g Mode

±2

FS[1:0] set to 01

4g Mode

±4

FS[1:0] set to 10

8g Mode

±8

Sensitivity

FS[1:0] set to 00

2g Mode

1024

counts/g

FS[1:0] set to 01

4g Mode

512

FS[1:0] set to 10

8g Mode

256

Sensitivity Accuracy

Soa

±2.64

Sensitivity Change vs. Temperature

FS[1:0] set to 00

2g Mode

TCSo

±0.04

%/°C

FS[1:0] set to 01

4g Mode

FS[1:0] set to 10

8g Mode

Zero-g Level Offset Accuracy(1)

1. Before board mount.

FS[1:0] 2g, 4g, 8g

TyOff

±40

Zero-g Level Offset Accuracy Post-Board Mount(2)

2. Post-board mount offset specifications are based on an 8-layer PCB, relative to 25°C.

FS[1:0] 2g, 4g, 8g

TyOffPBM

±60

Zero-g Level Change vs. Temperature

-40°C to 85°C

TCOff

±0.3

mg/°C

Self-Test Output Change(3)

3. Self-Test is one direction only.

FS[1:0] set to 0

4g Mode

Vst

LSB

ODR Accuracy

2 MHz Clock

-20

+20

Output Data Bandwidth

ODR/3

ODR/2

Output Noise

Normal Mode ODR = 400 Hz

Noise

216

µg/

√Hz

Operating Temperature Range

Top

-40

+85

°C

Package weight

TBD

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