max5864 Maxim Integrated Products, Inc., max5864 Datasheet - Page 11

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

(V
input amplitude = -0.5dBFS, DAC output amplitude = 0dBFS, differential ADC input, differential DAC output, C
C
COM
DD
-100
-0.1
-0.2
-0.3
-0.4
-0.5
-10
-20
-30
-40
-50
-60
-70
-80
-90
0.5
0.4
0.3
0.2
0.1
= DV
0
0
= 0.33µF, Xcvr mode, T
1
0
f
1
DD
32
ADC INTEGRAL NONLINEARITY
DAC CHANNEL-QD TWO-TONE
f
= 3V, OV
3
2
64
DIGITAL OUTPUT CODE
SPECTRAL PLOT
FREQUENCY (MHz)
f
1
96
= 2.0MHz, f
______________________________________________________________________________________
5
Performance, 22Msps Analog Front End
DD
128 160
-0.1
-0.2
-0.3
-0.4
-0.5
0.5
0.4
0.3
0.2
0.1
= 1.8V, internal reference (1.024V), C
2
7
0
= 2.2MHz, -7dBFS
0
A
192
= +25°C, unless otherwise noted.)
DAC DIFFERENTIAL NONLINEARITY
128
9
224
256 384
DIGITAL INPUT CODE
256
11
Ultra-Low-Power, High Dynamic-
512 640
-100
-110
-120
Typical Operating Characteristics (continued)
-0.1
-0.2
-0.3
-0.4
-0.5
-20
-30
-40
-50
-60
-70
-80
-90
0.5
0.4
0.3
0.2
0.1
0
0
768
ADC DIFFERENTIAL NONLINEARITY
32
896
DAC ACPR SPECTRAL PLOT
CENTER = 4MHz, SPAN = 7MHz
64
1024
DIGITAL OUTPUT CODE
L
96
≈ 10pF on all digital outputs, f
128 160
0.520
0.515
0.510
0.505
0.500
f
WCDMA
CLK
-40
= 15.36Msps
192
REFERENCE OUTPUT VOLTAGE
224
-15
vs.TEMPERATURE
256
TEMPERATURE (°C)
10
-0.2
-0.4
-0.6
-0.8
-1.0
35
1.0
0.8
0.6
0.4
0.2
16
14
12
10
8
6
4
2
0
0
CLK
7
0
SUPPLY CURRENT vs. SAMPLING RATE
Xcrv MODE
60
= 22MHz 50% duty cycle, ADC
128
DAC INTEGRAL NONLINEARITY
10
256 384
I
VDD
SAMPLING RATE (MHz)
85
DIGITAL INPUT CODE
13
I
512 640
OVDD
REFP
16
= C
768
19
REFN
896
1024
11
22
=