MAX19708ETM 查看數據表（PDF） - Maxim Integrated
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MAX19708ETM Datasheet PDF : 37 Pages
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10-Bit, 11Msps, 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 = 11MHz (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.)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0
Rx ADC CHANNEL-IA FFT PLOT
fIA = 1.882886MHz
HD2
HD3
1.1 2.2 3.3 4.4 5.5
FREQUENCY (MHz)
Rx ADC CHANNEL-QA
TWO-TONE FFT PLOT
f1 = 1.885MHz
f2 = 1.985MHz
AIA = -7dBFS
PER TONE
4096-POINT
DATA RECORD
f1
f2
1.1 2.2 3.3 4.4 5.5
FREQUENCY (MHz)
Rx ADC TOTAL HARMONIC DISTORTION
vs. ANALOG INPUT FREQUENCY
-64
-66
IA
-68
-70
-72
QA
-74
-76
-78
-80
0 10 20 30 40 50 60 70 80 90 100
ANALOG INPUT FREQUENCY (MHz)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0
Rx ADC CHANNEL-QA FFT PLOT
fQA = 1.882886MHz
HD2
HD3
1.1 2.2 3.3 4.4 5.5
FREQUENCY (MHz)
Rx ADC SIGNAL-TO-NOISE RATIO
vs. ANALOG INPUT FREQUENCY
57
55
QA
53
51
IA
49
47
45
0 10 20 30 40 50 60 70 80 90 100
ANALOG INPUT FREQUENCY (MHz)
Rx ADC SPURIOUS-FREE DYNAMIC RANGE
vs. ANALOG INPUT FREQUENCY
80
75
70
QA
65
60
IA
55
50
0 10 20 30 40 50 60 70 80 90 100
ANALOG INPUT FREQUENCY (MHz)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0
Rx ADC CHANNEL-IA
TWO-TONE FFT PLOT
f1 = 1.885MHz
f2 = 1.985MHz
AIA = -7dBFS
PER TONE
4096-POINT
DATA RECORD
f1
f2
1.1 2.2 3.3 4.4 5.5
FREQUENCY (MHz)
Rx ADC SIGNAL-TO-NOISE AND DISTORTION
RATIO vs. ANALOG INPUT FREQUENCY
57
55
QA
53
51
IA
49
47
45
0 10 20 30 40 50 60 70 80 90 100
ANALOG INPUT FREQUENCY (MHz)
Rx ADC SIGNAL-TO-NOISE RATIO
vs. ANALOG INPUT AMPLITUDE
60
fIN = 1.875MHz
55
50
45
IA
40
35
QA
30
25
20
-25 -20 -15 -10
-5
0
ANALOG INPUT AMPLITUDE (dBFS)
10 ______________________________________________________________________________________
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