Rainbow Electronics MAX11043 - Manual (Page 8)

FINE DAC SETTLING
75% TO 25% FS STEP
MAX11043 toc10
500mV/div
0V
FINE DAC SETTLING
1% STEP-UP
MAX11043 toc11
1 μs/div
20mV/div
1200mV
MAX11043
4-Channel, 16-Bit, Simultaneous-Sampling ADCs
with PGA, Filter, and 8-/12-Bit Dual-Stage DAC
8 _______________________________________________________________________________________
400ksps FFT
EQ MODE
MAX11043 toc04
FREQUENCY (kHz)
AMPLITUDE (dBFS)
180 160 140 120 100 80 60 40 20
-100
-80
-60
-40
-20
0
-120
0 200
f IN = 5kHz
V INP-P = 560mV
800ksps FFT
EQ MODE
MAX11043 toc05
FREQUENCY (kHz)
AMPLITUDE (dBFS)
-120
-100
-80
-60
-40
-20
0
-140
0 400 200
f IN = 100kHz
V INP-P = 1.4mV
SINAD vs. INPUT AMPLITUDE
MAX11043 toc06
INPUT AMPLITUDE (dBFS)
SINAD (dB)
-10 -30 -70 -50 -20 -40 -80 -60
-10
0
10
20
30
40
50
60
70
80
-20
-90 0
1kHz
10kHz
50kHz
FINE DAC DNL
vs. CODE
MAX11043 toc07
CODE (LSB)
DNL (LSB)
3072 2048 1024
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0 4096
FINE DAC INL
vs. CODE
MAX11043 toc08
CODE (LSB)
INL (LSB)
3072 2048 1024
-4
-3
-2
-1
0
1
2
3
4
5
-5
0 4096
FINE DAC SETTLING
25% TO 75% FS STEP
MAX11043 toc09
500mV/div
0V
Typical Operating Characteristics (continued)
(V AVDD = +3.3V, V DVDD = +3.0V, f SCLK = f EXCLK = 19.2MHz, V REFBP , V REF_ = +2.5V, common-mode input voltage = AVDD/2,
T
A
= +25°C, unless otherwise noted.)