ADXL335BCPZ-RL7(2008) Просмотр технического описания (PDF) - Analog Devices

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ADXL335BCPZ-RL7
(Rev.:2008)

Small, Low Power, 3-Axis ±3 g Accelerometer

Analog Devices 

Preliminary Technical Data

ADXL335

SPECIFICATIONS

TA = 25°C, VS = 3 V, CX = CY = CZ = 0.1 μF, acceleration = 0 g, unless otherwise noted. All minimum and maximum specifications are

guaranteed. Typical specifications are not guaranteed.

Table 1.

Parameter

SENSOR INPUT

Measurement Range

Nonlinearity

Package Alignment Error

Interaxis Alignment Error

Cross Axis Sensitivity1

SENSITIVITY (RATIOMETRIC)2

Sensitivity at XOUT, YOUT, ZOUT

Sensitivity Change Due to Temperature3

ZERO g BIAS LEVEL (RATIOMETRIC)

0 g Voltage at XOUT, YOUT

0 g Voltage at ZOUT

0 g Offset vs. Temperature

NOISE PERFORMANCE

Noise Density XOUT, YOUT

Noise Density ZOUT

FREQUENCY RESPONSE4

Bandwidth XOUT, YOUT5

Bandwidth ZOUT5

RFILT Tolerance

Sensor Resonant Frequency

SELF TEST6

Logic Input Low

Logic Input High

ST Actuation Current

Output Change at XOUT

Output Change at YOUT

Output Change at ZOUT

OUTPUT AMPLIFIER

Output Swing Low

Output Swing High

POWER SUPPLY

Operating Voltage Range

Supply Current

Turn-On Time7

TEMPERATURE

Operating Temperature Range

Conditions

Each axis

% of full scale

Each axis

VS = 3 V

VS = 3 V

VS = 3 V

VS = 3 V

No external filter

No external filter

Self test 0 to 1

Self test 0 to 1

Self test 0 to 1

No load

No load

VS = 3 V

No external filter

Min

Typ

Max Unit

±3

±3.6

±0.3

±1

±0.1

±1

g

%

Degrees

Degrees

%

270

300

±0.01

330 mV/g

%/°C

1.35

1.5

1.2

1.5

±1

1.65 V

1.8

V

mg/°C

150

μg/√Hz rms

300

μg/√Hz rms

1600

Hz

550

Hz

32 ± 15%

kΩ

5.5

kHz

+0.6

V

+2.4

V

+60

μA

−300

mV

+300

mV

+550

mV

0.1

V

2.8

V

1.8

350

1

3.6

V

μA

ms

−40

+85 °C

1 Defined as coupling between any two axes.

2 Sensitivity is essentially ratiometric to VS.

3 Defined as the output change from ambient-to-maximum temperature or ambient-to-minimum temperature.

4 Actual frequency response controlled by user-supplied external filter capacitors (CX, CY, CZ).

5 Bandwidth with external capacitors = 1/(2 × π × 32 kΩ × C). For CX, CY = 0.003 μF, bandwidth = 1.6 kHz. For CZ = 0.01 μF, bandwidth = 500 Hz. For CX, CY, CZ = 10 μF,

bandwidth = 0.5 Hz.

6 Self-test response changes cubically with VS.

7 Turn-on time is dependent on CX, CY, CZ and is approximately 160 × CX or CY or CZ + 1 ms, where CX, CY, CZ are in μF.

Rev. PrA | Page 3 of 11

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