max5864 Maxim Integrated Products, Inc., max5864 Datasheet - Page 8

• Manufacturer Part Number: max5864
• Description: Max5864 Ultra-low-power, High-dynamic-performance, 22msps Analog Front End
• Manufacturer: Maxim Integrated Products, Inc.

Ultra-Low-Power, High Dynamic-
Performance, 22Msps Analog Front End
8
(V
input amplitude = -0.5dBFS, DAC output amplitude = 0dBFS, differential ADC input, differential DAC output, C
C
COM
DD
_______________________________________________________________________________________
-100
-110
-50
-55
-60
-65
-70
-75
-80
-10
-20
-30
-40
-50
-60
-70
-80
-90
60
50
40
30
20
10
= DV
0
0
= 0.33µF, Xcvr mode, T
-24
0
ADC CHANNEL-QA TWO-TONE FFT PLOT
0
f
ADC TOTAL HARMONIC DISTORTION
F
IN
DD
1
1
vs. ANALOG INPUT FREQUENCY
= 5.50885
ADC SIGNAL-TO-NOISE-RATIO
-20
ANALOG INPUT FREQUENCY (MHz)
vs. ANALOG INPUT POWER
25
2
= 3V, OV
ANALOG INPUT POWER (dBFS)
3
QA
-16
F
FREQUENCY (MHz)
2
4
50
5
DD
-12
f
f
f
A
8192-POINT
DATA RECORD
CLK
1
2
IA =
= 1.8MHz
= 2.2MHz
6
= 22MHz
= 1.8V, internal reference (1.024V), C
-7dBFS PER TONE
75
7
IA
-8
A
= +25°C, unless otherwise noted.)
8
100
-4
9
10
125
11
0
Typical Operating Characteristics (continued)
80
75
70
65
60
55
50
60
50
40
30
20
10
50
49
48
47
46
45
44
43
42
0
-24
0
DISTORTION vs. ANALOG INPUT POWER
0
ADC SPURIOUS-FREE DYNAMIC RANGE
f
IN
ADC SIGNAL-TO-NOISE-RATIO AND
vs. ANALOG INPUT FREQUENCY
= 5.50885
vs. ANALOG INPUT FREQUENCY
ADC SIGNAL-TO-NOISE RATIO
QA
-20
ANALOG INPUT FREQUENCY (MHz)
ANALOG INPUT FREQUENCY (MHz)
25
25
ANALOG INPUT POWER (dBFS)
QA
-16
L
50
50
≈ 10pF on all digital outputs, f
-12
IA
75
75
IA
-8
100
100
-4
125
125
0
-30
-35
-40
-45
-50
-55
-60
-65
-70
-75
-80
50
49
48
47
46
45
44
43
42
80
75
70
65
60
55
50
45
40
CLK
-24
ADC SIGNAL-TO-NOISE AND DISTORTION
0
0
ADC SPURIOUS-FREE DYNAMIC RANGE
RATIO vs. ANALOG INPUT FREQUENCY
SINGLE ENDED
ADC TOTAL HARMONIC DISTORTION
f
IN
= 22MHz 50% duty cycle, ADC
vs. ANALOG INPUT FREQUENCY
= 5.50885
-20
ANALOG INPUT FREQUENCY (MHz)
ANALOG INPUT FREQUENCY (MHz)
vs. ANALOG INPUT POWER
25
25
ANALOG INPUT POWER (dBFS)
QA
IA
-16
50
50
-12
REFP
75
75
-8
= C
100
100
-4
REFN
125
125
0
=