FXAS21002CQR1 Просмотр технического описания (PDF) - NXP Semiconductors.

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FXAS21002CQR1

3-Axis Digital Angular Rate Gyroscope

NXP Semiconductors. 

Mechanical and Electrical Specifications

Table 5. Mechanical characteristics (continued)

Parameter

Zero Rate Bias Temperature

Coefficient

Cross axis sensitivity

Integral nonlinearity

(deviation from linear response)

Self-test output change2

Maximum output data rate

Noise density

Symbol

DT

CAS

INL

STOC

ODRMAX

ND

Test conditions (unless otherwise noted):

• VDD = 2.5 V

• VDDIO = 1.8 V

• T = 25 °C

Test Conditions

–40 to +85 °C

max(SXY, SXZ, SYX, SYZ,

SZX, SZY)

CTRL_REG0[FS] = 00

CTRL_REG0[FS] = 00

—

ODR = 200 Hz,

CTRL_REG0[FS] = 00,

CTRL_REG0[BW] = 00

Min

—

—

—

7000

—

—

Typ

Max

XY: ±0.02

—

Z: ±0.01

±1.5

—

±0.5

16000

800

—

25000

—

0.025

—

Unit

dps/°C

%

%FSR

LSB

Hz

dps/√Hz

1. Post Board Mount Offset Specifications are based on an eight-layer PCB.

2. The Self-Test function can be used to verify the correct functioning of the ASIC measurement chain and gyro drive

circuitry. The Self-Test function will only produce a meaningful result when the device is maintained stationary during the

test. The Self-Test output value will be either positive or negative due to factory trimming, therefore, the absolute value

of the Self-Test result should be used.

2.4 Electrical Characteristics

Table 6. Electrical characteristics

Parameter

Symbol

Test conditions

Min

Typ

Max

Unit

Supply voltage

Interface supply

Current consumption in Active

mode

VDD

VDDIO

IddAct

—

—

Active mode

1.95

1.62

—

2.5

3.6

V

—

VDD+0.3

V

2.7

—

mA

Current consumption in Ready

mode

IddRdy

Ready mode

—

1.6

—

mA

Supply current drain in

Standby mode

IddStby

Standby mode

—

2.8

—

µA

Supply current in Standby

mode over temperature

IDDSTBY-OT

–40 ≤ T ≤ 85 °C

—

—

7.5

µA

Digital high level input voltage

SCL/SCLK, SDA/MOSI/

SPI_DATA, SA0/MISO, SPI/

VIH

I2C_B, RST_B, INT2/

PWR_CTRL, SPI_CS_B

—

0.7 * VDDIO

—

—

V

Table continues on the next page...

10

Freescale Semiconductor, Inc.

3-Axis Digital Angular Rate Gyroscope, Rev. 2.1, 5/2015

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