MAX1279A 데이터 시트보기 (PDF) - Maxim Integrated
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MAX1279A
Maxim Integrated
MAX1279A Datasheet PDF : 18 Pages
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1.5Msps, Single-Supply, Low-Power, True-
Differential, 12-Bit ADCs with Internal Reference
Typical Operating Characteristics (continued)
(VDD = +3V, VL = VDD, fSCLK = 24MHz, fSAMPLE = 1.5Msps, TA = TMIN to TMAX, unless otherwise noted. Typical values are measured
at TA = +25°C.)
DYNAMIC PERFORMANCE
vs. INPUT FREQUENCY (MAX1277)
DYNAMIC PERFORMANCE
vs. INPUT FREQUENCY (MAX1279)
70.0
70.0
69.5
SNR
SNR
69.5
69.0
69.0
SINAD
SINAD
68.5
68.5
68.0
100
200
300
400
500
ANALOG INPUT FREQUENCY (kHz)
68.0
100
200
300
400
500
ANALOG INPUT FREQUENCY (kHz)
THD vs. INPUT FREQUENCY
-80
-84
MAX1277
-88
-92
MAX1279
-96
100
200
300
400
500
ANALOG INPUT FREQUENCY (kHz)
SFDR vs. INPUT FREQUENCY
92
90
88
MAX1279
86
84
MAX1277
82
100
200
300
400
500
ANALOG INPUT FREQUENCY (kHz)
FFT PLOT (MAX1277)
0
fIN = 500kHz
-20 SINAD = 68.7dB
SNR = 68.9dB
-40
THD = -83.1dB
SFDR = 85.0dB
-60
-80
-100
-120
-140
0
125 250 375 500 625 750
ANALOG INPUT FREQUENCY (kHz)
FFT PLOT (MAX1279)
0
fIN = 500kHz
-20 SINAD = 69.0dB
SNR = 69.1dB
-40
THD = -88.9dB
SFDR = 85.9dB
-60
-80
-100
-120
-140
0
125 250 375 500 625 750
ANALOG INPUT FREQUENCY (kHz)
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