max5863 Maxim Integrated Products, Inc., max5863 Datasheet - Page 10

• Manufacturer Part Number: max5863
• Description: Max5863 Ultra-low-power, High-dynamic Performance, 7.5msps Analog Front End
• Manufacturer: Maxim Integrated Products, Inc.

Ultra-Low-Power, High-Dynamic
Performance, 7.5Msps Analog Front End
10
(V
input amplitude = -0.5dBFS, DAC output amplitude = 0dBFS, differential ADC input, differential DAC output, C
C
COM
DD
-100
-0.2
-0.4
-0.6
-0.8
-1.0
-10
-20
-30
-40
-50
-60
-70
-80
-90
1.0
0.8
0.6
0.4
0.2
90
85
80
75
70
65
60
______________________________________________________________________________________
= DV
0
0
= 0.33µF, Xcvr mode, T
-40
2.5
0.2
ADC OFFSET ERROR vs. TEMPERATURE
DAC SPURIOUS-FREE DYNAMIC RANGE
f
f
OUT
ID
DAC CHANNEL-ID SPECTRAL PLOT
DD
= 2.2MHz
= f
0.8
-15
3.5
= 3V, OV
CLK
vs. SAMPLING RATE
/10
SAMPLING RATE (MHz)
TEMPERATURE (°C)
1.4
FREQUENCY (MHz)
4.5
10
DD
2.0
= 1.8V, internal reference (1.024V), C
5.5
35
2.6
A
= +25°C, unless otherwise noted.)
6.5
60
3.2
7.5
85
-100
Typical Operating Characteristics (continued)
-10
-20
-30
-40
-50
-60
-70
-80
-90
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
90
85
80
75
70
65
60
0
0
-40
0.2
0
DAC SPURIOUS-FREE DYNAMIC RANGE
ADC GAIN ERROR vs. TEMPERATURE
f
QD
DAC CHANNEL-QD SPECTRAL PLOT
0.5
= 2.2MHz
0.8
-15
vs. OUPUT FREQUENCY
OUTPUT FREQUENCY (MHz)
1.0
TEMPERATURE (°C)
FREQUENCY (MHz)
1.4
L
1.5
10
≈ 10pF on all digital outputs, f
2.0
2.0
35
2.5
2.6
3.0
60
3.2
3.5
85
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
90
80
70
60
50
40
30
6
5
4
3
2
1
0
0
CLK
2.5
-30
0.2
SUPPLY CURRENT vs. SAMPLING RATE
DAC SPURIOUS-FRE DYNAMIC RANGE
f
f
1
Rx MODE ONLY
OUT
= 7.5MHz 50% duty cycle, ADC
= 2MHz
-25
DAC CHANNEL-ID TWO-TONE
0.8
3.5
I
f
vs. OUTPUT POWER
VDD
2
OUTPUT POWER (dBFS)
I
SAMPLING RATE (MHz)
OVDD
SPECTRAL PLOT
-20
FREQUENCY (MHz)
f
1.4
1
= 600kHz, f
4.5
-15
2.0
REFP
5.5
2
= 800kHz, -7dBFS
-10
2.6
= C
6.5
-5
3.2
REFN
7.5
0
=