MMA7450L データシートの表示（PDF） - Freescale Semiconductor

部品番号

コンポーネント説明

メーカー

MMA7450L

±2g/±4g/±8g Three Axis Low-g Digital Output Accelerometer

Freescale Semiconductor 

Table 2. Operating Characteristics

Unless otherwise noted: –20°C < TA < 65°C, 2.4 V < AVDD < 3.6 V, Acceleration = 0g, Loaded output

Characteristic

Symbol

Min

Typ

Max

Analog Supply Voltage

Standby Operation Mode

Enable Bus Mode

Digital I/O Pins Supply Voltage

AVDD

AVDD

2.4

2.8

3.6

0

Standby Operation Mode

Enable Bus Mode

DVDD_IO

DVDD_IO

1.71

1.71

1.8

AVDD

1.8

3.6

Supply Current Drain (AVDD/GND)

Operation Mode

IDD

Pulse Detect Function Mode

IDD

Standby Mode (except data loading and I2C/SPI communication

IDD

period)

—

400

TBD

—

550

TBD

—

5

TBD

Operating Temperature Range

Acceleration Range

X-Axis, Y-Axis, Z-Axis

TA

-20

25

+85

gFS

±2

—

—

gFS

±4

—

—

gFS

±8

—

—

Output Signal (TA=25°C, AVDD=2.8 V)

Zero g

±2g range (25°C) 8bit

±4g range (25°C) 8bit

±8g range (25°C) 8bit

±8g range (25°C) 10bit

VOFF

VOFF

VOFF

VOFF

-16

—

+16

-8

—

+8

-4

—

+4

-16

—

+16

Resolution (TA=25°C, AVDD=2.8 V)

±2g range (25°C) 8bit

±4g range (25°C) 8bit

±8g range (25°C) 8bit

±8g range (25°C) 10bit

—

15.6

—

—

31.2

—

—

62.4

—

—

15.6

—

Sensitivity (TA=25°C, AVDD=2.8 V)

±2g range (25°C) 8bit

±4g range (25°C) 8bit

±8g range (25°C) 8bit

±8g range (25°C) 10bit

ΔVOUT

—

64

—

ΔVOUT

—

32

—

ΔVOUT

—

16

—

ΔVOUT

—

64

—

Self Test Output Response

Zout

Input High Voltage

Input Low Voltage

PSRR (AVDD)

0 to 20 kHz

0 to 50 kHz

ΔSTZ

VIH

VIL

—

+64

—

0.85DVDD_io

—

DVDD_io + 0.3

-0.3V

—

0.3DVDD_io

—

TBD

—

—

TBD

—

Internal Clock Frequency

SPI Frequency

DVDD_IO < 2.4 V

DVDD_IO > 2.4 V

Output Data Rate (X, Y, Z set)

tCLK

TBD

150

TBD

—

4

—

—

8

—

—

125 or 250

—

Bandwidth for Data Measurement (User Selectable)

—

62.5

—

—

125

—

Unit

V

V

V

V

μA

μA

μA

°C

g

g

g

LSB

LSB

LSB

LSB

mg

mg

mg

mg

LSB/g

LSB/g

LSB/g

LSB/g

LSB

dB

dB

kHz

MHz

MHz

Hz

Hz

Hz

Sensors

Freescale Semiconductor

MMA7450L

3

Share Link: