Instruction Manual

MAX1198
Dual, 8-Bit, 100Msps, 3.3V, Low-Power ADC
with Internal Reference and Parallel Outputs
8 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
DD
= 3.3V, OV
DD
= 2.5V, V
REFIN
= 2.048V, differential input at -1dB FS, f
CLK
= 100MHz, C
L
≈ 10pF, T
A
= +25°C, unless otherwise
noted.)
DIFFERENTIAL NONLINEARITY
(262144-POINT DATA RECORD)
MAX1198 toc18
DIGITAL OUTPUT CODE
DNL (LSB)
224192128 16064 9832
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
-0.5
0256
INTEGRAL NONLINEARITY
(262144-POINT DATA RECORD)
MAX1198 toc17
DIGITAL OUTPUT CODE
INL (LSB)
224192128 16064 9832
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
-0.5
0256
MAX1198 toc16
INPUT POWER (dB FS)
SFDR (dBc)
-4-8-12-16
50
55
60
65
70
75
45
-20 0
SPURIOUS-FREE DYNAMIC RANGE vs.
INPUT POWER (f
IN
= 19.87089082MHz)
MAX1198 toc15
INPUT POWER (dB FS)
THD (dBc)
-4-8-12-16
-70
-65
-60
-55
-50
-45
-75
-20 0
TOTAL HARMONIC DISTORTION vs.
INPUT POWER (f
IN
= 19.87089082MHz)
SIGNAL-TO-NOISE + DISTORTION vs.
INPUT POWER (f
IN
= 19.87089082MHz)
MAX1198 toc14
INPUT POWER (dB FS)
SINAD (dB)
-4-8-12-16
30
35
40
45
50
55
25
-20 0
SIGNAL-TO-NOISE RATIO vs.
INPUT POWER (f
IN
= 19.87089082MHz)
MAX1198 toc13
INPUT POWER (dB FS)
SNR (dB)
-4-8-12-16
30
35
40
45
50
55
25
-20 0
SMALL-SIGNAL INPUT BANDWIDTH vs.
ANALOG INPUT FREQUENCY, DIFFERENTIAL
MAX1198 toc12
ANALOG INPUT FREQUENCY (MHz)
GAIN (dB)
10010
-3
-2
-1
0
1
2
-4
1 1000
V
IN
= 100mV
P-P
FULL-POWER INPUT BANDWIDTH vs.
ANALOG INPUT FREQUENCY, DIFFERENTIAL
MAX1198 toc11
ANALOG INPUT FREQUENCY (MHz)
GAIN (dB)
10010
-4
-3
-2
-1
0
1
-5
11000
SNR/SINAD, THD/SFDR vs. TEMPERATURE
MAX1198 toc10
TEMPERATURE (
°
C)
SNR/SINAD, THD/SFDR (dB, dBc)
603510-15
40
50
60
70
80
90
30
-40 85
SNR
SINAD
SFDR
THD
f
IN
= 19.87089082MHz