MAX9939 데이터 시트보기 (PDF) - Maxim Integrated
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MAX9939 Datasheet PDF : 15 Pages
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SPI Programmable-Gain Amplifier
with Input VOS Trim and Output Op Amp
Typical Operating Characteristics (continued)
(VCC = 5V, VGND = 0V, VIN+ = VIN- = 0V, Gain = 10V/V, ROUTA = ROUTB = 1kΩ to VCC/2, TA = +25°C, unless otherwise noted.)
INPUT VOS vs. TEMPERATURE
3.0
INPUT VOS TRIM RESPONSE
MAX9939 toc08
2.5
2.0
OUTA
10mV/div
1.5
1.0
0.5
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
GAIN = 1V/V
1ms/div
DIFFERENTIAL PSRR vs. FREQUENCY
0
10V/V ≤ GAIN ≤ 157V/V
-20
-40
-60
-80
-100
0.01 0.1
1 10 100 1000 10,000
FREQUENCY (kHz)
10,000
NOISE VOLTAGE DENSITY
PGA
10V/V ≤ GAIN ≤ 157V/V
1000
100
TOTAL HARMONIC DISTORTION
vs. FREQUENCY
0
1V/V ≤ GAIN ≤ 157V/V
-20
-40
GAIN = 157V/V
-60
-80
-100
GAIN = 1V/V
-120
0.01
0.1
1
10
100
FREQUENCY (kHz)
NOISE VOLTAGE DENSITY
1000
AMPLIFIER B
100
10
10
100
1000 10,000
FREQUENCY (Hz)
100,000
10
10
100
1000 10,000
FREQUENCY (Hz)
100,000
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