Datasheet

MAX5864
Ultra-Low-Power, High Dynamic-
Performance, 22Msps Analog Front End
______________________________________________________________________________________ 11
ADC INTEGRAL NONLINEARITY
MAX5864 toc34
DIGITAL OUTPUT CODE
INL (LSB)
224192128 16064 9632
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
-0.5
0 256
ADC DIFFERENTIAL NONLINEARITY
MAX5864 toc35
DIGITAL OUTPUT CODE
DNL (LSB)
224192128 16064 9632
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
-0.5
0 256
DAC INTEGRAL NONLINEARITY
MAX5864 toc36
DIGITAL INPUT CODE
DNL (LSB)
896768512 640256 384128
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0 1024
DAC DIFFERENTIAL NONLINEARITY
MAX5864 toc37
DIGITAL INPUT CODE
DNL (LSB)
896768512 640256 384128
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
-0.5
0 1024
REFERENCE OUTPUT VOLTAGE
vs.TEMPERATURE
MAX5864 toc38
TEMPERATURE (°C)
V
REFP
- V
REFN
(V)
603510-15
0.505
0.510
0.515
0.520
0.500
-40 85
Typical Operating Characteristics (continued)
(V
DD
= DV
DD
= 3V, OV
DD
= 1.8V, internal reference (1.024V), C
L
≈ 10pF on all digital outputs, f
CLK
= 22MHz 50% duty cycle, ADC
input amplitude = -0.5dBFS, DAC output amplitude = 0dBFS, differential ADC input, differential DAC output, C
REFP
= C
REFN
=
C
COM
= 0.33µF, Xcvr mode, T
A
= +25°C, unless otherwise noted.)
DAC CHANNEL-QD TWO-TONE
SPECTRAL PLOT
MAX5864 toc31
FREQUENCY (MHz)
AMPLITUDE (dB)
9753
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
111
f
1
= 2.0MHz, f
2
= 2.2MHz, -7dBFS
f
1
f
2
DAC ACPR SPECTRAL PLOT
MAX5864 toc32
CENTER = 4MHz, SPAN = 7MHz
f
CLK
= 15.36Msps
WCDMA
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
OUTPUT POWER (dBm)
SUPPLY CURRENT vs. SAMPLING RATE
MAX5864 toc33
SAMPLING RATE (MHz)
SUPPLY CURRENT (mA)
191610 13
2
4
6
8
10
12
14
16
0
722
Xcrv MODE
I
VDD
I
OVDD