Datasheet

MAX1184
Dual 10-Bit, 20Msps, 3V, Low-Power ADC with
Internal Reference and Parallel Outputs
_______________________________________________________________________________________ 7
-8
-4
-6
0
-2
4
2
6
1 10 100 1000
FULL-POWER INPUT BANDWIDTH vs.
ANALOG INPUT FREQUENCY, SINGLE-ENDE
D
MAX1184 toc10
ANALOG INPUT FREQUENCY (MHz)
GAIN (dB)
-8
-4
-6
0
-2
4
2
6
1 10 100 1000
SMALL-SIGNAL INPUT BANDWIDTH vs.
ANALOG INPUT FREQUENCY, SINGLE-ENDE
D
MAX1184 toc11
ANALOG INPUT FREQUENCY (MHz)
GAIN (dB)
V
IN
= 100mV
P-P
35
45
40
55
50
60
65
-20 0
SIGNAL-TO-NOISE RATIO vs.
ANALOG INPUT POWER (f
IN
= 7.5344MHz)
MAX1184 toc12
ANALOG INPUT POWER (dBFS)
SNR (dB)
-12-16 -8 -4
35
45
40
55
50
60
65
-20 0
SIGNAL-TO-NOISE PLUS DISTORTION vs.
ANALOG INPUT POWER (f
IN
= 7.5344MHz)
MAX1184 toc13
ANALOG INPUT POWER (dBFS)
SINAD (dB)
-12-16 -8 -4
-78
-74
-66
-70
-62
-58
-20 -12-16 -8 -4 0
TOTAL HARMONIC DISTORTION vs.
ANALOG INPUT POWER (f
IN
= 7.5344MHz)
MAX1184 toc14
ANALOG INPUT POWER (dBFS)
THD (dBc)
50
40
60
80
70
90
100
-20 -12-16 -8 -4 0
SPURIOUS-FREE DYNAMIC RANGE vs.
ANALOG INPUT POWER (f
IN
= 7.5344MHz)
MAX1184 toc15
ANALOG INPUT POWER (dBFS)
SFDR (dBc)
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0 256128 384 512 640 768 896 1024
INTEGRAL NONLINEARITY
MAX1184 toc16
DIGITAL OUTPUT CODE
INL (LSB)
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0256128 384 512 640 768 896 1024
DIFFERENTIAL NONLINEARITY
MAX1184 toc17
DIGITAL OUTPUT CODE
DNL (LSB)
-0.1
0.1
0
0.3
0.2
0.4
0.5
0.6
-40 85
GAIN ERROR vs. TEMPERATURE
MAX1184 toc18
TEMPERATURE (°C)
GAIN ERROR (%FS)
10-15 35 60
CHB
CHA
Typical Operating Characteristics (continued)
(V
DD
= 3V, OV
DD
= 2.5V, V
REFIN
= 2.048V, differential input at -0.5dBFS, f
CLK
= 20MHz, C
L
≈ 10pF, T
A
= +25°C, unless otherwise noted.)