MMA6525KW datasheet(8/56 Pages) FREESCALE

8 / 56 page

Sensor

Freescale Semiconductor, Inc.

MMA65xx

2.5

Self Test

VL ≤ (VCC - VSS) ≤ VH, TL ≤ TA ≤ TH, |ΔTA| < 25 K/min unless otherwise specified.

Characteristic

Symbol

Min

Typ

Max

Units

Self Test Output Change (Ref Section 3.6)

80g, TA = 25°C

80g, -40°C

≤ T

A ≤ 105°C

80g, -40°C

≤ T

A ≤ 105°C, VCC_UV_f ≤ VCC - VSS ≤ VL

105.5g, TA = 25°C

105.5g, -40°C

≤ T

A ≤ 105°C

105.5g, -40°C

≤ T

A ≤ 105°C, VCC_UV_f ≤ VCC - VSS ≤ VL

120g, TA = 25°C

120g, -40°C

≤ T

A ≤ 105°C

120g, -40°C

≤ T

A ≤ 105°C, VCC_UV_f ≤ VCC - VSS ≤ VL

ΔST

80_25

ΔST

80_

ΔT

ΔST

80_

ΔTΔV

ΔST

105_25

ΔST

105_

ΔT

ΔST

105_

ΔTΔV

ΔST

120_25

ΔST

120_

ΔT

ΔST

120_

ΔTΔV

ΔST

MIN

582

545

442

414

387

363

ΔST

NOM

727

553

484

ΔST

MAX

872

909

663

690

581

605

LSB

(1)

(3)

(1)

(3)

(1)

(3)

Self Test Cross-Axis Output

Y-Axis Output with X-Axis Self Test

X-Axis Output with Y-Axis Self Test

ΔSTCrossAxis

-10

—

+10

LSB

(1)

Self Test Output Accuracy

Δ from Stored Value, including Sensitivity Error

-40°C

≤ TA ≤ 105°C (Ref Section 3.6)

ΔSTACC

-10

—

+10

(3)

100

Sigma Delta Modulator Range

X/Y-Axis, Any Range Positive/Negative

gADCl_Clip

375

400

450

(19)

101

Acceleration (without hitting internal g-cell stops)

X/Y-Axis, Any Range Positive/Negative

gg-cell_Clip

500

560

600

(19)

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