MAX9934 데이터 시트보기 (PDF) - Maxim Integrated
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MAX9934 Datasheet PDF : 22 Pages
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High-Precision, Low-Voltage, Current-Sense Amplifier
with Current Output and Chip Select for Multiplexing
Typical Operating Characteristics (continued)
(VCC = 3.3V, VRS+ = VRS- = 3.0V, VSENSE = 0, CL = 1000pF, ROUT = 10kΩ to GND for unidirectional operation, ROUT = 10kΩ to VCC/2
for bidirectional operation. TA = +25°C, unless otherwise noted.)
VOUT vs. VSENSE
VREF = 1.65V
2.0
BIDIRECTIONAL
1.5
1.0
VOUT vs. VSENSE (VOUT < 5mV)
5
4
0.5
0 GAIN = 5µA/mV
-0.5
GAIN = 25µA/mV
G = 25FA/mV
3
G = 5FA/mV
2
-1.0
1
-1.5
-2.0
-40
-20
0
20
40
VSENSE (mV)
0
0
20
40
60
80 100
VSENSE + VOS (FV)
VOH vs. IOH
300
SUPPLY CURRENT
vs. TEMPERATURE (VCS = 0)
160
250
200
MAX9934F
150
100
MAX9934T
140
VCM = 0V
120
100
VCM = 5.5V
80
50
60
0
0 100 200 300 400 500 600
IOH (µA)
40
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
SUPPLY CURRENT
vs. TEMPERATURE
160
RS+ BIAS CURRENT
vs. VRS+
10nA
140
VCM = 0V
120
VCM = 5.5V
100
80
60
1nA
100pA
10pA
TA = +125°C
TA = +25°C AND -40°C
40
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
1pA
-0.1 0.6 1.3 2.0 2.7 3.4 4.1 4.8 5.5
VRS+ (V)
6 _______________________________________________________________________________________
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