
MAX19707
10-Bit, 45Msps, Ultra-Low-Power
Analog Front-End
10
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Rx ADC CHANNEL-IA FFT PLOT
MAX19707
toc01
FREQUENCY (MHz)
AMPLITUDE
(dBFS)
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
0
2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5
fCLK = 45.006848MHz
fIA = 13.00155MHz
16,384-POINT
DATA RECORD
Rx ADC CHANNEL-QA FFT PLOT
MAX19707
toc02
FREQUENCY (MHz)
AMPLITUDE
(dBFS)
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
0
2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5
fCLK = 45.006848MHz
fQA = 13.00155MHz
16,384-POINT
DATA RECORD
Rx ADC CHANNEL-IA
TWO-TONE FFT PLOT
MAX19707
toc03
FREQUENCY (MHz)
AMPLITUDE
(dBFS)
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
0
2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5
fCLK = 45.006848MHz
f1 = 1.4MHz
f2 = 1.8MHz
AIA = -7dBFS
PER TONE
8192-POINT
DATA RECORD
Rx ADC CHANNEL-QA
TWO-TONE FFT PLOT
MAX19707
toc04
FREQUENCY (MHz)
AMPLITUDE
(dBFS)
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
0
2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5
fCLK = 45.006848MHz
f1 = 1.4MHz
f2 = 1.8MHz
AQA = -7dBFS
PER TONE
8192-POINT
DATA RECORD
Rx ADC SIGNAL-TO-NOISE RATIO
vs. ANALOG INPUT FREQUENCY
MAX19707
toc05
ANALOG INPUT FREQUENCY (MHz)
SNR
(dB)
80
60
20
40
51
52
53
54
55
56
50
0
100
QA
IA
Rx ADC SIGNAL-TO-NOISE AND DISTORTION
RATIO vs. ANALOG INPUT FREQUENCY
MAX19707
toc06
ANALOG INPUT FREQUENCY (MHz)
SINAD
(dB)
80
60
20
40
51
52
53
54
55
56
50
0100
QA
IA
Rx ADC TOTAL HARMONIC DISTORTION
vs. ANALOG INPUT FREQUENCY
MAX19707
toc07
ANALOG INPUT FREQUENCY (MHz)
THD
(dBc)
80
60
20
40
-60
-65
-70
-75
-80
-85
-90
-55
-95
0100
QA
IA
Rx ADC SPURIOUS-FREE DYNAMIC RANGE
vs. ANALOG INPUT FREQUENCY
MAX19707
toc08
ANALOG INPUT FREQUENCY (MHz)
SFDR
(dBc)
80
60
20
40
85
80
75
70
65
60
0100
QA
IA
Rx ADC SIGNAL-TO-NOISE RATIO
vs. ANALOG INPUT AMPLITUDE
MAX19707
toc09
ANALOG INPUT AMPLITUDE (dBFS)
SNR
(dB)
-3
-6
-9
-12
-15
-18
30
60
50
40
20
10
0
-21
0
fIN = 13.00155MHz
QA
IA
Typical Operating Characteristics
(VDD = 3V, OVDD = 1.8V, internal reference (1.024V), CL
≈ 10pF on all digital outputs, fCLK = 45MHz (50% duty cycle), Rx ADC input
amplitude = -0.5dBFS, Tx DAC output amplitude = 0dBFS, differential Rx ADC input, differential Tx DAC output, CREFP = CREFN =
CCOM = 0.33F, TA = +25°C, unless otherwise noted.)