MAX19527 데이터 시트보기 (PDF) - Maxim Integrated
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MAX19527 Datasheet PDF : 30 Pages
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Ultra-Low-Power, Octal, 12-Bit, 50Msps,
1.8V ADC with Serial LVDS Outputs
Typical Operating Characteristics
(VAVDD = 1.8V, VOVDD = 1.8V, internal reference, AIN = -0.5dBFS, differential clock, VCLKD = 1.5VP-P, fCLK = 50MHz, programmable
registers at default settings (Table 1), TA = -40NC to +85NC, typical values are at TA = +25NC, unless otherwise noted. Specifications
are 100% production tested at TA R +25NC. Specifications for TA < +25NC are guaranteed by design and characterization.)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
0
5.3MHz INPUT FFT PLOT
fIN = 5.301324MHz
AIN = -0.49dBFS
SNR = 68.58dB
SINAD = 68.35dB
THD = -81.19dBc
SFDR = 85.17dB
5
10
15
20
25
FREQUENCY (MHz)
19.3MHz INPUT FFT PLOT
0
-10
fIN = 19.303900MHz
AIN = -0.51dBFS
-20 SNR = 68.49dB
-30 SINAD = 68.24dB
-40
THD = -80.90dBc
SFDR = 85.73dB
-50
-60
-70
-80
-90
-100
-110
0
5
10
15
20
25
FREQUENCY (MHz)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
0
CROSSTALK FFT PLOT
MEASURED ON CHANNEL 1,
WITH INTERFERING SIGNAL
ON CHANNEL 2
fIN(IN1) = 5.301324MHz
fIN(IN2) = 19.303900MHz
AIN(IN1) = -0.5dBFS
AIN(IN2) = -0.5dBFS
CROSSTALK = -92dB
fIN(IN2) = 19.3039MHz
5
10
15
20
25
FREQUENCY (MHz)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
0
TWO-TONE INTERMODULATION
DISTORTION
fIN1 = 5.154828MHz
fIN2 = 5.423404MHz
AIN1 = -6.95dBFS
AIN2 = -7.02dBFS
IM3 = -83dBc
5
10
15
20
25
FREQUENCY (MHz)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
0
5.3MHz INPUT FFT PLOT
8-CHANNEL COHERENT SUM
fIN = 5.301324MHz
AIN = -0.50dBFS
SNR = 77.20dB
SINAD = 76.84dB
THD = -87.80dBc
SFDR = 89.31dB
5
10
15
20
25
FREQUENCY (MHz)
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
512 1024 1536 2048 2560 3072 3584 4096
DIGITAL OUTPUT CODE
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
512 1024 1536 2048 2560 3072 3584 4096
DIGITAL OUTPUT CODE
DYNAMIC PERFORMANCE
vs. INPUT FREQUENCY
90
SFDR
85
80
75
-THD
SNR
70
65
60
0
SINAD
50
100
150
200
INPUT FREQUENCY (MHz)
DYNAMIC PERFORMANCE
vs. ANALOG INPUT POWER
90
80
70
SFDR
-THD
60
50
SNR
40
SINAD
30
20
10
-50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0
ANALOG INPUT POWER (dBFS)
6
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