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參數(shù)資料
| 型號(hào)： | MAX1457CCJ |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | 0.1%-Accurate Signal Conditioner for Piezoresistive Sensor Compensation |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PQFP32 |
| 封裝： | TQFP-32 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 93K |
| 代理商： | MAX1457CCJ |
M
0.1%-Ac c urate S ignal Conditioner
for Piezoresistive S ensor Compensation
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)
Continuous Power Dissipation (T
A
= +70°C)
28-Pin Wide SO (derate 12.50mW/°C above +70°C) ..........1W
32-Pin TQFP (derate 11.1mW/°C above +70°C)...........889mW
ELECTRICAL CHARACTERISTICS
(V
DD
= +5V, V
SS
= 0V, T
A
= +25°C, unless otherwise noted.)
PARAMETER
GENERAL CHARACTERISTICS
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 Ranges
MAX1457C_ _ ......................................................0°C to +70°C
MAX1457A_ _ .................................................-40°C to +125°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10sec) .............................+300°C
Reference voltage = 5.000V
Output filter capacitor = 0.1μF, f
CLK
= 100kHz
R
BIAS
= 400k
, f
CLK
= 100kHz (Note 1)
Gain = 54, DC to 10Hz, sensor impedance =
5k
, full-span output = 4V
V
OUT
= (V
SS
+ 0.25V) to (V
DD
- 0.25V)
(Note 5)
(Note 4)
5k
load to V
SS
or V
DD
No load
From V
SS
to V
DD
f
CLK
= 100kHz, to 63% of final value
(Notes 2, 3)
CONDITIONS
μV
LSB
Bits
200
2
DAC Voltage Resolution
Differential Nonlinearity
DAC Resolution
V
V
SS
+ 1.3
V
DD
- 1.3
V
ISRC
Current-Source Reference Input
Voltage Range
V
V
SS
+ 1.3
V
DD
- 1.3
V
BR
Bridge Voltage Swing
mA
0.1
0.5
2.0
I
BR
Bridge Current Range
%FSO
0.0025
Output Noise
mA
-1.0
(sink) (source)
1.0
Output Current Range
V
V
SS
+ 0.02
V
DD
- 0.02
Output Voltage Swing
ppm/°C
±50
Differential Signal Gain Tempco
V/V
V/V
54 to 306
54
Differential Signal Gain Range
Minimum Differential Signal Gain
mA
M
M
μV/°C
%V
DD
2.0
1
1
±0.5
0.01
2.6
I
DD
Supply Current
ANALOG INPUT (PGA)
V
4.5
5
5.5
V
DD
Supply Voltage
mV/V
5 to 30
Input-Referred Adjustable
Full-Span Output Range
mV
±100
Input-Referred Adjustable
Offset Range
dB
90
CMRR
Common-Mode Rejection Ratio
ms
1
Output Step-Response Time
R
IN
Input Impedance
Input-Referred Offset Tempco
Amplifier Gain Nonlinearity
UNITS
MIN
TYP
MAX
SYMBOL
16
V
SS
+ 0.25
V
DD
- 0.25
T
A
= T
MIN
to T
MAX
49
60
ANALOG OUTPUT (PGA)
DIGITAL-TO-ANALOG CONVERTERS
CURRENT SOURCE
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