Datasheet

MAX1169
58.6ksps, 16-Bit, 2-Wire Serial ADC
in a 14-Pin TSSOP
10 ______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
DVDD
= +3.0V, V
AVDD
= +5.0V, f
SCL
= 1.7MHz (33% duty cycle), f
SAMPLE
= 58.6ksps, V
REF
= +4.096V, external reference applied
to REF, REFADJ = AVDD, C
REF
= 10μF, T
A
= +25°C, unless otherwise noted.)
SPURIOUS-FREE DYNAMIC RANGE
vs. FREQUENCY
MAX1169 toc17
FREQUENCY (kHz)
SFDR (dB)
120
110
100
90
80
70
60
50
40
30
20
10
0
1 10 100
TOTAL HARMONIC DISTORTION
vs. FREQUENCY
MAX1169 toc19
FREQUENCY (kHz)
THD (dB)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
1 10 100
SINAD vs. FREQUENCY
MAX1169 toc20
FREQUENCY (kHz)
SINAD (dB)
120
110
100
90
80
70
60
50
40
30
20
10
0
1 10 100
-2.0
-1.5
0.5
0
1.5
2.0
0 32,768
16,384
49,152 65,536
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1169 toc21
DIGITAL OUTPUT CODE
INL (LSB)
1.0
-1.0
-0.5
FFT
MAX1169 toc22
FREQUENCY (kHz)
MAGNITUDE (dB)
23.4417.5611.725.86
-120
-100
-80
-60
-40
-20
0
-140
0 29.30
f
SAMPLE
= 58.6ksps
f
IN(SINE WAVE)
= 1kHz
V
IN
= V
REF(P-P)
SIGNAL-TO-NOISE RATIO
vs. FREQUENCY
MAX1169 toc16
FREQUENCY (kHz)
SNR (dB)
120
110
100
90
80
70
60
50
40
30
20
10
0
1 10 100
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1169 toc18
DIGITAL OUTPUT CODE
DNL (LSB)
49,15216,384 32,768
-2.0
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-2.5
0 65,536