MAX109 Maxim Integrated Products, MAX109 Datasheet - Page 8

• Manufacturer Part Number: MAX109
• Description: 2.2Gsps ADC
• Manufacturer: Maxim Integrated Products

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8-Bit, 2.2Gsps ADC with Track/Hold Amplifier
and 1:4 Demultiplexed LVDS Outputs
8
(V
input amplitude at -1dBFS differential, clock input amplitude 10dBm differential, digital output pins differential R
values are at T
CC
-30
-35
-40
-45
-50
-55
-60
-65
-70
-75
-80
-10
-20
-30
-40
-50
-60
-70
-80
-90
50
46
42
38
34
30
_______________________________________________________________________________________
A = V
0
SNR, SINAD vs. ANALOG INPUT FREQUENCY
HD2, HD3 vs. ANALOG INPUT FREQUENCY
FFT PLOT (16,384-POINT DATA RECORD)
0
0
0
138.24
(f
f
f
A
SNR = 44.2dB
SINAD = 42.6dB
THD = -47.5dBc
SFDR = 51.1dBc
HD2 = -51.1dBc
HD3 = -52.1dBc
(f
CLK
IN
IN
CLK
CLK
= 1600.155MHz
CC
= -0.992dBFS
= 2.21184GHz
ANALOG INPUT FREQUENCY (MHz)
500
500
276.48
= 2.21184Gsps, A
= 2.21184Gsps, A
I = V
J
= +105°C, unless otherwise noted.)
414.72
CC
1000
1000
f
D = 5V, V
SINAD
f
IN
HD3
552.96
IN
(MHz)
(MHz)
1500
691.20
1500
HD2
IN
IN
829.44
SNR
= -1dBFS)
CC
= -1dBFS)
2000
2000
O = 3.3V, V
967.68
1105.92
2500
2500
EE
= -5V, GNDA = GNDI = GNDD = GNDO = GNDR = 0V, f
8.0
7.5
7.0
6.5
6.0
5.5
5.0
-10
-20
-30
-40
-50
-60
-70
-80
-90
50
46
42
38
34
30
0
SNR, SINAD vs. ANALOG INPUT FREQUENCY
Typical Operating Characteristics (continued)
FFT PLOT (16,384-POINT DATA RECORD)
0
0
0
ENOB vs. ANALOG INPUT FREQUENCY
156.16
(f
(f
CLK
CLK
ANALOG INPUT FREQUENCY (MHz)
500
500
312.32
= 2.49856Gsps, A
= 2.21184Gsps, A
f
f
A
SNR = 44.1dB
SINAD = 41.2dB
THD = -44.4dBc
SFDR = 46.1dBc
HD2 = -50.1dBc
HD3 = -46.1dBc
CLK
IN
IN
= 1599.268MHz
= -1.059dBFS
= 2.49856GHz
468.48
1000
1000
SINAD
f
f
IN
624.64
IN
(MHz)
(MHz)
1500
1500
780.8
IN
IN
SNR
936.96
= -1dBFS)
= -1dBFS)
2000
2000
1098.12
1249.28
2500
2500
-10
-20
-30
-40
-50
-60
-70
-80
-90
8.0
7.5
7.0
6.5
6.0
5.5
5.0
65
60
55
50
45
40
35
TTIMD PLOT (16,384-POINT DATA RECORD)
0
-THD, SFDR vs. ANALOG INPUT FREQUENCY
0
0
0
138.24
ENOB vs. ANALOG INPUT FREQUENCY
(f
(f
f
f
f
A
IM3 = -60.8dBc
CLK
IN1
IN2
IN1
CLK
CLK
= 1590.165MHz
= 1610.415MHz
ANALOG INPUT FREQUENCY (MHz)
= 2.21184GHz
= A
500
276.48
500
= 2.21184Gsps, A
= 2.49856Gsps, A
IN2
CLK
= -7.13dBFS
2f
414.72
IN2
-THD
= 2.21184Gsps, analog
1000
1000
- f
f
552.96
f
IN
IN1
IN
L
(MHz)
(MHz)
= 100Ω. Typical
691.20
SFDR
1500
1500
2f
IN1
IN
IN
829.44
= -1dBFS)
- f
= -1dBFS)
2000
IN2
2000
967.68
1105.92
2500
2500