Datasheet

MAX1196
Dual 8-Bit, 40Msps, 3V, Low-Power ADC with
Internal Reference and Multiplexed Parallel Outputs
8 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
DD
= OV
DD
= 3V, V
REFIN
= 2.048V, differential input at -1dB FS, f
CLK
= 40MHz, C
L
≈ 10pF, T
A
= +25°C, unless otherwise noted.)
TWO-TONE IMD PLOT
(DIFFERENTIAL INPUT, 8192-POINT DATA RECORD)
MAX1196-10
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
12111098
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
713
f
CLK
= 40.001536MHz
f
IN1
= 9.95643MHz
f
IN2
= 10.024799MHz
AIN = -7dB FS
COHERENT SAMPLING
f
IN1
f
IN2
SIGNAL-TO-NOISE RATIO
vs. ANALOG INPUT FREQUENCY
MAX1196-11
ANALOG INPUT FREQUENCY (MHz)
SNR (dB)
1601208040
45
46
47
48
49
50
44
0 200
CHA
CHB
SIGNAL-TO-NOISE + DISTORTION
vs. ANALOG INPUT FREQUENCY
MAX1196-12
ANALOG INPUT FREQUENCY (MHz)
SINAD (dB)
1601208040
44
45
46
47
48
49
50
43
0 200
CHA
CHB
TOTAL HARMONIC DISTORTION
vs. ANALOG INPUT FREQUENCY
MAX1196-13
ANALOG INPUT FREQUENCY (MHz)
THD (dBc)
1601208040
-78
-68
-58
-48
-38
-88
0 200
CHB
CHA
SPURIOUS-FREE DYNAMIC RANGE
vs. ANALOG INPUT FREQUENCY
MAX1196-14
ANALOG INPUT FREQUENCY (MHz)
SFDR (dBc)
1601208040
50
60
70
80
90
40
0 200
CHA
CHB
1 10 100 1000
FULL-POWER INPUT BANDWIDTH
vs. ANALOG INPUT FREQUENCY, DIFFERENTIAL
MAX1196-15
ANALOG INPUT FREQUENCY (MHz)
GAIN (dB)
2
-4
-3
-2
-1
0
1
1 10 100 1000
SMALL-SIGNAL INPUT BANDWIDTH
vs. ANALOG INPUT FREQUENCY, DIFFERENTIAL
MAX1196-16
ANALOG INPUT FREQUENCY (MHz)
GAIN (dB)
2
-4
-3
-2
-1
0
1
V
IN
= 100mV
P-P
SIGNAL-TO-NOISE RATIO
vs. INPUT POWER (f
IN
= 19.88798MHz)
MAX1196-17
INPUT POWER (dB FS)
SNR (dB)
-4-8-12-16
30
35
40
45
50
55
25
-20 0
SIGNAL-TO-NOISE + DISTORTION
vs. INPUT POWER (f
IN
= 19.88798MHz)
MAX1196-18
INPUT POWER (dB FS)
SINAD (dB)
-4-8-12-16
30
35
40
45
50
55
25
-20 0