Datasheet

MAX19707
10-Bit, 45Msps, Ultra-Low-Power
Analog Front-End
12 ______________________________________________________________________________________
0
0.6
0.4
0.2
0.8
1.0
1.2
1.4
1.6
1.8
2.0
-40 10-15 356085
Rx ADC GAIN ERROR
vs. TEMPERATURE
MAX19707 toc22
TEMPERATURE (°C)
GAIN ERROR (%FS)
QA
IA
-95
-60
-65
-70
-75
-80
-85
-90
-55
Rx ADC TOTAL HARMONIC DISTORTION
vs. CLOCK DUTY CYCLE
MAX19707 toc19
CLOCK DUTY CYCLE (%)
THD (dBc)
35 5545 65
QA
IA
f
IN
= 12.4980346MHz
60
85
80
75
70
65
90
Rx ADC SPURIOUS-FREE DYNAMIC RANGE
vs. CLOCK DUTY CYCLE
MAX19707 toc20
CLOCK DUTY CYCLE (%)
SFDR (dBc)
35 5545 65
IA
QA
f
IN
= 12.4980346MHz
-1.0
-0.4
-0.6
-0.8
-0.2
0
0.2
0.4
0.6
0.8
1.0
-40 10-15 356085
Rx ADC OFFSET ERROR
vs. TEMPERATURE
MAX19707 toc21
TEMPERATURE (°C)
OFFSET ERROR (%FS)
IA
QA
66
68
67
70
69
71
72
73
74
5152010 25 30 35 40 45
Tx DAC SPURIOUS-FREE DYNAMIC
RANGE vs. SAMPLING RATE
MAX19707 toc23
SAMPLING RATE (MHz)
SFDR (dBc)
f
OUT
= f
CLK
/ 10
45
55
50
65
60
70
75
0 4682 10121416182022
Tx DAC SPURIOUS-FREE DYNAMIC
RANGE vs. OUTPUT FREQUENCY
MAX19707 toc24
OUTPUT FREQUENCY (MHz)
SFDR (dBc)
30
45
40
35
50
55
60
65
70
75
80
-30 -20 -10 0
Tx DAC SPURIOUS-FREE DYNAMIC
RANGE vs. OUTPUT AMPLITUDE
MAX19707 toc25
OUTPUT AMPLITUDE (dBFS)
SFDR (dBc)
f
OUT
= 2.2MHz
Tx DAC CHANNEL-ID SPECTRAL PLOT
MAX19707 toc26
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
f
ID
= 5.498MHz
Tx DAC CHANNEL-QD SPECTRAL PLOT
MAX19707 toc27
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
f
QD
= 5.498MHz
Typical Operating Characteristics (continued)
(V
DD
= 3V, OV
DD
= 1.8V, internal reference (1.024V), C
L
≈ 10pF on all digital outputs, f
CLK
= 45MHz (50% duty cycle), Rx ADC input
amplitude = -0.5dBFS, Tx DAC output amplitude = 0dBFS, differential Rx ADC input, differential Tx DAC output, C
REFP
= C
REFN
=
C
COM
= 0.33µF, T
A
= +25°C, unless otherwise noted.)