MMA6901Q datasheet(27/36 Pages) FREESCALE

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Sensors

Freescale Semiconductor

MMA690xQ

5.3

ELECTRICAL CHARACTERISTICS

VL ≤ (VCC - VSS) ≤ VH, TL ≤ TA ≤ TH, |ΔTA| < 4.0 k/min. unless otherwise specified

* Indicates a Freescale critical characteristic.

Characteristic

Symbol

Min

Typ

Max

Units

Supply Current Drain

VCC = 5.25 V, tS = 64 μs

*IDD

——

8.0

(1)

1. Parameters tested 100% at final test.

Power-On Reset Threshold (See Figure 5-1)

VCC

CREG

CREGA

CREF

Power-On Reset Threshold (See Figure 5-1)

VCC

CREG

CREGA

CREF

Hysteresis (VPOR_N - VPOR_A, See Figure 5-1)

VCC

CREG

CREGA

CREF

VPOR_N

VPOR_A

VHYST

2.77

1.80

2.18

1.11

2.77

1.80

2.18

1.11

—

3.15

2.32

2.50

1.29

2.95

2.10

2.31

1.19

388

300

261

150

(2)

2.Verified by characterization, not tested in production.

Internally Regulated Voltages

CREG

CREGA

(3)

CREF

3.Tested at VCC = VL and VCC = VH.

VDD

V2.5

VREF

2.42

1.20

2.50

1.25

2.58

1.29

(1)

External Filter Capacitor (CREG, CREGA)

Value

ESR (including interconnect resistance)

CREG

ESR

800

—

1000

—

200

(2)

Power Supply Coupling

—

0.004

digit/mv

(2)

Nonlinearity

NLOUT

-1.0

—

1.0

% FSR

(2)

Noise (1.0 Hz-1.0 kHz)

nSD

—

140

μg/√Hz

(2)

Sensitivity

3.5 g Range

11-bit data

5.0 g Range

11-bit data

SENS

—

3.43

4.91

—

mg/digit

(1)

Sensitivity Error (4)

-40 °C

≤ TA ≤ +105 °C

4.Target value. Actual value to be determined during device characterization.

ΔSENS

-3.0

—

+3.0

(1)

Offset at 0 g

11-bit unsigned data

Offset error

TA = 25 °C

11-bit data

DOUT

ΔDOUT

—

-8.9

-14.6

1024

—

+8.9

+14.6

digit

(1)

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