MAX19707ETM 查看數據表（PDF） - Maxim Integrated
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MAX19707ETM Datasheet PDF : 37 Pages
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10-Bit, 45Msps, Ultra-Low-Power
Analog Front-End
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 = 0.33µF, TA = +25°C, unless otherwise noted.)
Rx ADC CHANNEL-IA FFT PLOT
0
fCLK = 45.006848MHz
-10 fIA = 13.00155MHz
-20 16,384-POINT
DATA RECORD
-30
-40
-50
-60
-70
-80
-90
-100
0
2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5
FREQUENCY (MHz)
Rx ADC CHANNEL-QA
TWO-TONE FFT PLOT
0
fCLK = 45.006848MHz
-10
f1 = 1.4MHz
-20
f2 = 1.8MHz
AQA = -7dBFS
-30
PER TONE
-40
8192-POINT
DATA RECORD
-50
-60
-70
-80
-90
-100
0
2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5
FREQUENCY (MHz)
Rx ADC TOTAL HARMONIC DISTORTION
vs. ANALOG INPUT FREQUENCY
-55
-60
QA
-65
-70
-75
IA
-80
-85
-90
-95
0
20
40
60
80
100
ANALOG INPUT FREQUENCY (MHz)
Rx ADC CHANNEL-QA FFT PLOT
0
fCLK = 45.006848MHz
-10 fQA = 13.00155MHz
-20 16,384-POINT
DATA RECORD
-30
-40
-50
-60
-70
-80
-90
-100
0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5
FREQUENCY (MHz)
Rx ADC SIGNAL-TO-NOISE RATIO
vs. ANALOG INPUT FREQUENCY
56
55
54
QA
53
52
IA
51
50
0
20
40
60
80 100
ANALOG INPUT FREQUENCY (MHz)
Rx ADC SPURIOUS-FREE DYNAMIC RANGE
vs. ANALOG INPUT FREQUENCY
85
80
75
QA
70
IA
65
60
0
20
40
60
80 100
ANALOG INPUT FREQUENCY (MHz)
Rx ADC CHANNEL-IA
TWO-TONE FFT PLOT
0
fCLK = 45.006848MHz
-10
f1 = 1.4MHz
-20
f2 = 1.8MHz
AIA = -7dBFS
-30
PER TONE
-40
8192-POINT
DATA RECORD
-50
-60
-70
-80
-90
-100
0
2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5
FREQUENCY (MHz)
Rx ADC SIGNAL-TO-NOISE AND DISTORTION
RATIO vs. ANALOG INPUT FREQUENCY
56
55
54
QA
53
52
IA
51
50
0
20
40
60
80 100
ANALOG INPUT FREQUENCY (MHz)
Rx ADC SIGNAL-TO-NOISE RATIO
vs. ANALOG INPUT AMPLITUDE
60
fIN = 13.00155MHz QA
50
40
IA
30
20
10
0
-21 -18 -15 -12 -9 -6 -3 0
ANALOG INPUT AMPLITUDE (dBFS)
10 ______________________________________________________________________________________
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