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參數(shù)資料
| 型號： | XMMA1000P |
| 廠商： | MOTOROLA INC |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | MICROMACHINED ACCELEROMETER |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大小： | 161K |
| 代理商： | XMMA1000P |
3
Motorola Sensor Device Data
OPERATING CHARACTERISTICS
(Unless otherwise noted: –40
°
TA
+85
°
, 4.75
VDD
5.25, Acceleration = 0g, Loaded output(1))
Characteristic
Symbol
Min
Typ
Max
Unit
Sensitivity (TA = 25
°
C, VDD = 5.0 V)(2)
Sensitivity(2)
Zero Accel Output(3) (VDD = 5.0 V)
Zero Accel Output
Acceleration Range(4)
Noise (10 Hz to 400 Hz)(5)
Clock Noise(6)
S
37.2
40
42.8
mV/g
S
7.36
8.0
8.64
mV/V/g
VOFF
VOFF
G
2.2
2.5
2.8
V
0.44 VDD
44
0.5 VDD
50
0.56 VDD
—
V
g
VN
VNC
—
—
3.5
mVrms
—
2.0
—
mVpk
Filter Cut Off Frequency
F
3dB
360
400
440
Hz
Self–Test Output Response
GST
VIL
VIH
IIN
tST
—
20
25
30
g
Self–Test Input Low
—
—
1.4
V
Self–Test Input High
Self–Test Input Loading(7)
Self–Test Response Time(8)
Electrical Saturation Recovery Time(9)
3.7
—
—
V
30
60
120
μ
A
—
2.0
—
ms
—
0.2
—
ms
Full Scale Output Range (IOUT = 200
μ
A)
Capacitive Load Drive(10)
VFSO
CL
ZO
—
0.3
—
VDD
0.3
V
—
—
100
pF
Output Impedance
—
300
—
Nonlinearity
—
1.0
—
% FSO
Alignment Error
Transverse Sensitivity(11)
—
—
3.0
—
degrees
—
—
3.0
—
% FSO
Package Resonance (DIP/WB)
—
—
10/5
—
kHz
NOTES:
1. For a loaded output the measurements are observed after an RC filter consisting of a 1 k
resistor and a 0.01
μ
F capacitor to ground.
2. The device is calibrated at 20g.
3. The device can measure both + and acceleration. With no input acceleration the output is at midsupply. For positive acceleration the output
will increase above VDD/2 and for negative acceleration the output will decrease below VDD/2.
4. Refer to the Principle of Operation section for a sample g range calculation.
5. Refer to the Principle of Operation section for a sample rms to peak to peak calculation.
6. At clock frequency
65 kHz.
7. The digital input pin has an internal pull–down current source to prevent inadvertent self test initiation due to external board level leakages.
8. Time for the output to reach 90% of its final value after a self–test is initiated.
9. Time for amplifiers to recover after an acceleration signal causing them to saturate.
10. Preserves phase margin (60
°
) to guarantee output amplifier stability.
11. A measure of the devices ability to reject an acceleration applied 90
°
from the true axis of sensitivity.
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