Typical operating characteristics – Rainbow Electronics MAX19505 User Manual
Page 8
175MHz TWO-TONE IMD PLOT
FREQUENCY (MHz)
MAX19505 toc06
0
5
10
15
25
30
20
AMPLITUDE (dBFS)
-100
-90
-80
-70
-60
-40
-50
-20
-30
-10
0
f
IN1
= 172.50202MHz
f
IN2
= 177.49286MHz
70MHz TWO-TONE FFT PLOT
FREQUENCY (MHz)
MAX19505 toc05
0
5
10
15
25
30
20
AMPLITUDE (dBFS)
-100
-90
-80
-70
-60
-40
-50
-20
-30
-10
0
f
IN1
= 71.496925MHz
f
IN2
= 68.504600MHz
175MHz INPUT FFT PLOT
FREQUENCY (MHz)
MAX19505 toc04
AMPLITUDE (dBFS)
-90
-80
-70
-60
-40
-50
-20
-30
-10
0
f
IN
= 175.096626MHz
A
IN
= - 0.457dBFS
SNR = 48.939dB
SINAD = 48.936dB
THD = -80.024dBc
SFDR1 = 83.676dBc
SFDR2 = 69.175dBc
0
10
5
15
25
30
20
70MHz INPUT FFT PLOT
FREQUENCY (MHz)
MAX19505 toc03
AMPLITUDE (dBFS)
-90
-80
-70
-60
-40
-50
-20
-30
-10
0
f
IN
= 70.1014328MHz
A
IN
= -0.497dBFS
SNR = 49.243dB
SINAD = 49.241dB
THD = -83.453dBc
SFDR1 = 90.072dBc
SFDR2 = 68.395dBc
0
10
5
15
25
30
20
3MHz SINGLE-ENDED INPUT FFT PLOT
FREQUENCY (MHz)
MAX19505 toc02
0
10
5
15
25
30
20
AMPLITUDE (dBFS)
-90
-80
-70
-60
-40
-50
-20
-30
-10
0
f
IN
= 3.05034637MHz
A
IN
= -0.517dBFS
SNR = 49.130dB
SINAD = 49.092dB
THD = -69.749dBc
SFDR1 = 72.278dBc
SFDR2 = 68.102dBc
MAX19505
Dual-Channel, 8-Bit, 65Msps ADC
8
_______________________________________________________________________________________
Typical Operating Characteristics
(V
AVDD
= V
OVDD
= 1.8V, internal reference, differential clock, V
CLK
= 1.5V
P-P
, f
CLK
= 65MHz, A
IN
= -0.5dBFS, data output termination
= 50
Ω, T
A
= +25°C, unless otherwise noted.)
3MHz INPUT FFT PLOT
FREQUENCY (MHz)
AMPLITUDE (dBFS)
MAX19505 toc01
0
5
10
15
25
30
20
-90
-80
-70
-60
-40
-50
-20
-30
-10
0
f
IN
= 2.99877166MHz
A
IN
= -0.493dBFS
SNR = 49.285dB
SINAD = 49.282dB
THD = -80.871dBc
SFDR1 = 87.801dBc
SFDR2 = 68.102dBc
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
DIGITAL OUTPUT CODE
INL (LSB)
MAX19505 toc07
0
64
128
192
256
-0.10
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.10
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX19505 toc08
DIGITAL OUTPUT CODE
DNL (LSB)
0
64
128
192
256
-0.10
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.10
PERFORMANCE vs. INPUT FREQUENCY
PERFORMANCE (dBFS)
MAX19505 toc09
50
55
60
65
70
75
80
85
45
INPUT FREQUENCY (MHz)
0
100
200
300
400
-THD
SINAD
SFDR1
SNR
SFDR2