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參數(shù)資料
| 型號： | MAX1450CAP |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 模擬信號調理 |
| 英文描述： | Low-Cost, 1%-Accurate Signal Conditioner for Piezoresistive Sensors |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO20 |
| 封裝： | 5.30 X 0.65 MM, SSOP-20 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大小： | 98K |
| 代理商： | MAX1450CAP |
M
Low-Cost, 1%-Ac c urate S ignal Conditioner
for Piezoresistive S ensors
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, V
DD
to V
SS
......................................-0.3V to +6V
All Other Pins ...................................(V
SS
- 0.3V) to (V
DD
+ 0.3V)
Short-Circuit Duration, OUT, BBUF, BDRIVE .............Continuous
Continuous Power Dissipation (T
A
= +70°C)
SSOP (derate 8.00mW/°C above +70°C) ....................640mW
ELECTRICAL CHARACTERISTICS
(V
DD
= +5V, V
SS
= 0, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Operating Temperature Range
MAX1450CAP .....................................................0°C to +70°C
MAX1450EAP ..................................................-40°C to +85°C
Storage Temperature Range.............................-65°C to +165°C
Lead Temperature (soldering, 10sec) .............................+300°C
T
A
= +25°C (Note 1)
DC to 10Hz, gain = 39,
sensor impedance = 5k
V
OUT
= (V
SS
+ 0.25V) to (V
DD
- 0.25V)
,
T
A
= +25°C
(Note 5)
(Note 4)
5k
load to V
SS
or V
DD,
T
A
= +25°C
From V
SS
to V
DD
63% of final value
(Notes 2, 3)
Eight selectable gains (Table 3)
CONDITIONS
μV
RMS
500
Output Noise
mA
-1.0
(sink)
1.0
(source)
Output Current Range
V
V
SS +
0.25
V
DD -
0.25
Output Voltage Swing
V/V
36
39
44
Minimum Differential Signal
Gain
V/V
39 to 221
Differential Signal Range Gain
mA
2.8
3.5
I
DD
Supply Current
ANALOG INPUT (PGA)
mV/V
10 to 30
Input-Referred Adjustable
Full-Span Output Range
SUMMING JUNCTION (Figure 1)
mV
±100
Input-Referred Adjustable Offset
Range
dB
90
CMRR
Common-Mode Rejection Ratio
ms
1
Output Step-Response Time
M
1.0
R
IN
Input Impedance
Input-Referred Offset
Temperature Coefficient
Amplifier Gain Nonlinearity
μV/°C
±0.5
%V
DD
0.01
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
No load, T
A
= T
MIN
to T
MAX
V
SS +
0.05
V
DD -
0.05
V
4.5
5.0
5.5
V
DD
Supply Voltage
At any gain
ppm/°C
±50
Differential Signal Path
Temperature Coefficient
V/V
1.15
Offset TC Gain
V/V
1.15
Offset Gain
V
V
OUT
OFFSET
V
V
OUT
OFFTC
GENERAL CHARACTERISTICS
ANALOG OUTPUT (PGA)
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