Max109, Typical operating characteristics (continued) – Rainbow Electronics MAX109 User Manual
Page 9
MAX109
Typical Operating Characteristics (continued)
(V
CC
A = V
CC
I = V
CC
D = 5V, V
CC
O = 3.3V, V
EE
= -5V, GNDA = GNDI = GNDD = GNDO = GNDR = 0V, f
CLK
= 2.21184Gsps, analog
input amplitude at -1dBFS differential, clock input amplitude 10dBm differential, digital output pins differential R
L
= 100Ω. Typical
values are at T
J
= +105°C, unless otherwise noted.)
8-Bit, 2.2Gsps ADC with Track/Hold Amplifier
and 1:4 Demultiplexed LVDS Outputs
_______________________________________________________________________________________
9
HD2, HD3 vs. ANALOG INPUT FREQUENCY
(f
CLK
= 2.49865Gsps, A
IN
= -1dBFS)
f
IN
(MHz)
HD2, HD3 (dBc)
MAX109 toc14
0
500
1000
1500
2000
2500
-80
-75
-70
-65
-60
-55
-50
-45
-40
-35
-30
HD3
HD2
SNR, SINAD vs. ANALOG INPUT AMPLITUDE
(f
CLK
= 2.21184Gsps, f
IN
= 1600.1550MHz)
A
IN
(dBFS)
SNR, SINAD (dB)
MAX109 toc15
-45 -40 -35 -30 -25 -20 -15 -10
-5
0
0
5
10
15
20
25
30
35
40
45
SINAD
SNR
ENOB vs. ANALOG INPUT AMPLITUDE
(f
CLK
= 2.21184Gsps, f
IN
= 1600.1550MHz)
A
IN
(dBFS)
ENOB (Bits)
MAX109 to16
-45 -40 -35 -30 -25 -20 -15 -10
-5
0
5.0
5.5
6.0
6.5
7.0
7.5
8.0
-THD, SFDR vs. ANALOG INPUT AMPLITUDE
(f
CLK
= 2.21184Gsps, f
IN
= 1600.1550MHz)
A
IN
(dBFS)
-THD, SFDR (dBc)
MAX109 toc17
-45 -40 -35 -30 -25 -20 -15 -10
-5
0
20
25
30
35
40
45
50
55
60
SFDR
-THD
HD2, HD3 vs. ANALOG INPUT AMPLITUDE
(f
CLK
= 2.21184Gsps, f
IN
= 1600.1550MHz)
A
IN
(dBFS)
HD2, HD3 (dBc)
MAX109 toc18
-45 -40 -35 -30 -25 -20 -15 -10
-5
0
-70
-65
-60
-55
-50
-45
-40
-35
-30
-25
-20
HD3
HD2
SNR, SINAD vs. CLOCK SPEED
(f
IN
= 1600MHz, A
IN
= -1dBFS)
f
CLK
(MHz)
SNR, SINAD (dB)
MAX109 toc19
500 750 1000 1250 1500 1750 2000 2250 2500
30
34
38
42
46
50
SNR
SINAD
ENOB vs. CLOCK SPEED
(f
IN
= 1600MHz, A
IN
= -1dBFS)
f
CLK
(MHz)
ENOB (Bits)
MAX109 toc20
500 750 1000 1250 1500 1750 2000 2250 2500
5.0
5.5
6.0
6.5
7.0
7.5
8.0
-THD, SFDR vs. CLOCK SPEED
(f
IN
= 1600MHz, A
IN
= -1dBFS)
f
CLK
(MHz)
-THD, SFDR (dBc)
MAX109 toc21
500 750 1000 1250 1500 1750 2000 2250 2500
35
40
45
50
55
60
SFDR
-THD
-THD, SFDR vs. ANALOG INPUT FREQUENCY
(f
CLK
= 2.49856Gsps, A
IN
= -1dBFS)
f
IN
(MHz)
-THD, SFDR (dBc)
MAX109 toc13
0
500
1000
1500
2000
2500
35
40
45
50
55
60
65
SFDR
-THD