MAX1454 查看數據表（PDF） - Maxim Integrated
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MAX1454 Datasheet PDF : 25 Pages
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MAX1454
Precision Sensor Signal Conditioner
with Overvoltage Protection
Typical Operating Characteristics
(VDD = 5V, TA = +25NC, unless otherwise noted.)
OUTPUT NOISE
20
VIN+ = VIN- = GND, C = 10nF, NO LOAD
15
36V/V GAIN SETTTING
10
5
0
-5
-10
-15
-20
0
100 200 300 400 500
TIME (ms)
10
8
6
4
2
0
-2
-4
-6
-8
-10
0
16-BIT DAC DIFFERENTIAL
NONLINEARITY
16,384 32,768 49,152
16-BIT DAC CODE
65,536
IRO DAC DIFFERENTIAL NONLINEARITY
0.5
0.4 PGA GAIN = 44V/V
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0
5
10
15
IRO DAC CODE
SIGNAL-PATH NONLINEARITY
0.10
SPAN = 4V
0.08
0.06
0.04
256V/V
0.02
0
-0.02
44V/V
6V/V
-0.04
-0.06
-0.08
1024V/V
-0.10
0
15
2.5
3.5
4.5
OUT/DIO VOLTAGE (V)
SIGNAL-PATH GAIN DEVIATION
vs. TEMPERATURE
0.50
0.40
256V/V
0.30
6V/V
0.20
0.10
0
-0.10
44V/V
-0.20
1024V/V
-0.30
-0.40
-0.50
-50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
OUTPUT VOLTAGE vs. INPUT
SIGNAL FREQUENCY
3
OUTPUT VOLTAGES NORMALIZED TO DC
0
-3
-6
-9
-12 20mVP-P SINE-WAVE INPUT SIGNAL,
PGA GAIN = 52V/V, 112V/V, 208V/V
-15
100
1k
10k
INPUT SIGNAL FREQUENCY (Hz)
STEP RESPONSE
(VARIOUS GAIN SETTINGS)
MAX1454 toc07
1kHz SQUARE
6V/V
WAVE
OUTPUT VOLTAGE vs. INPUT VOLTAGE
(FAULT DETECTION ENABLED)
4.0
VBDR = 2.5V,
3.5 OUTPUT PROGRAMMED TO 2.5V
3.0
OUT/DIO
1V/div
256V/V, 1024V/V
44V/V
2.5
2.0
OUTPUT CLIP LEVEL
1.5
1.0
0.5
100µs/div
0
0
0.5 1.0 1.5 2.0 2.5
VIN+ = VIN- (V)
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