MAX4208 Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX4208
Maxim Integrated
MAX4208 Datasheet PDF : 17 Pages
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Ultra-Low Offset/Drift, Precision
Instrumentation Amplifiers with REF Buffer
Typical Operating Characteristics (continued)
(VDD = 5V, VSS = 0V, VCM = VREF = VDD/2, VREFIN/MODE = VSS, RL = 100kΩ to VDD/2, VDIFF = (VIN+ - VIN-) = 0V, MAX4208 set for
G = 100V/V (R1 = 1kΩ, R2 = 99kΩ), TA = +25°C, unless otherwise noted.)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
0
-20
-40
-60
-80
-100
-120
-140
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
MAX4208 INPUT-REFERRED NOISE
MAX4208/9 toc11
1.2μV/div
1s/div
10,000
INPUT NOISE vs. FREQUENCY
WHITE NOISE
1000 140nV/√Hz
100
CFB = 1nF
CAPACITOR
10
1
10
CFB = 10nF
CAPACITOR
100
1k
10k
100k
FREQUENCY (Hz)
IDD vs. VREFIN/MODE
1.5
1.2
INTERNAL BUFFER ON
VREFIN/MODE ≥ (VSS + 0.2V)
0.9
GREY = OUT OF
COMMON-MODE RANGE
0.6
SHUTDOWN MODE
0.3
INTERNAL BUFFER OFF
VREFIN/MODE ≤ (VSS + 0.05V)
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
VREFIN/MODE (V)
SUPPLY CURRENT (BUFFER OFF)
vs. SUPPLY VOLTAGE
1000
VREFIN/MODE = VSS
900
TA = +125°C
800
700
600
TA = -40°C TA = +25°C
500
400
2.5 3.0 3.5 4.0 4.5 5.0 5.5
VDD (V)
SUPPLY CURRENT (BUFFER ON)
vs. SUPPLY VOLTAGE
2.0
VREFIN/MODE = VDD/2
1.5
1.0
TA = -40°C TA = +25°C TA = +125°C
0.5
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
6.0
VREFIN/MODE = VDD
5.0
4.0
TA = +125°C
3.0
TA = +25°C
2.0
1.0
TA = -40°C
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
VDD (V)
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
VDD (V)
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