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| MAX109 Datasheet, PDF (9/29 Pages) Maxim Integrated Products – 8-Bit, 2.2Gsps ADC with Track/Hold Amplifier and 1:4 Demultiplexed LVDS Outputs | |||
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8-Bit, 2.2Gsps ADC with Track/Hold Amplifier
and 1:4 Demultiplexed LVDS Outputs
Typical Operating Characteristics (continued)
(VCCA = VCCI = VCCD = 5V, VCCO = 3.3V, VEE = -5V, GNDA = GNDI = GNDD = GNDO = GNDR = 0V, fCLK = 2.21184Gsps, analog
input amplitude at -1dBFS differential, clock input amplitude 10dBm differential, digital output pins differential RL = 100â¦. Typical
values are at TJ = +105°C, unless otherwise noted.)
-THD, SFDR vs. ANALOG INPUT FREQUENCY
HD2, HD3 vs. ANALOG INPUT FREQUENCY
SNR, SINAD vs. ANALOG INPUT AMPLITUDE
(fCLK = 2.49856Gsps, AIN = -1dBFS)
65
60
55
SFDR
50
45
(fCLK = 2.49865Gsps, AIN = -1dBFS)
-30
-35
-40
HD3
-45
-50
-55
-60
HD2
-65
(fCLK = 2.21184Gsps, fIN = 1600.1550MHz)
45
SNR
40
35
SINAD
30
25
20
15
-THD
40
-70
10
-75
5
35
0
500 1000 1500 2000 2500
fIN (MHz)
-80
0
500 1000 1500 2000 2500
fIN (MHz)
0
-45 -40 -35 -30 -25 -20 -15 -10 -5 0
AIN (dBFS)
ENOB vs. ANALOG INPUT AMPLITUDE
(fCLK = 2.21184Gsps, fIN = 1600.1550MHz)
8.0
-THD, SFDR vs. ANALOG INPUT AMPLITUDE
(fCLK = 2.21184Gsps, fIN = 1600.1550MHz)
60
HD2, HD3 vs. ANALOG INPUT AMPLITUDE
(fCLK = 2.21184Gsps, fIN = 1600.1550MHz)
-20
7.5
55
-25
-30
7.0
50
SFDR
-35
HD3
45
-40
6.5
40
-45
6.0
5.5
5.0
-45 -40 -35 -30 -25 -20 -15 -10 -5 0
AIN (dBFS)
35
-THD
30
25
20
-45 -40 -35 -30 -25 -20 -15 -10 -5 0
AIN (dBFS)
-50
-55
-60
HD2
-65
-70
-45 -40 -35 -30 -25 -20 -15 -10 -5 0
AIN (dBFS)
SNR, SINAD vs. CLOCK SPEED
(fIN = 1600MHz, AIN = -1dBFS)
50
SNR
46
ENOB vs. CLOCK SPEED
(fIN = 1600MHz, AIN = -1dBFS)
8.0
7.5
-THD, SFDR vs. CLOCK SPEED
(fIN = 1600MHz, AIN = -1dBFS)
60
SFDR
55
7.0
42
6.5
38
SINAD
6.0
50
45
-THD
34
5.5
40
30
500 750 1000 1250 1500 1750 2000 2250 2500
fCLK (MHz)
5.0
500 750 1000 1250 1500 1750 2000 2250 2500
fCLK (MHz)
35
500 750 1000 1250 1500 1750 2000 2250 2500
fCLK (MHz)
_______________________________________________________________________________________ 9
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