Datasheet
MAX105
Dual, 6-Bit, 800Msps ADC with On-Chip,
Wideband Input Amplifier
6 _______________________________________________________________________________________
Typical Operating Characteristics
(AV
CC
= AV
CC
I = AV
CC
Q = AV
CC
R = +5V, OV
CC
I = OV
CC
Q = +3.3V, AGND = AGNDI = AGNDQ = AGNDR = 0, OGNDI = OGNDQ = 0,
f
CLK
= 802.816MHz, differential input at -0.5dB FS, C
L
= 1µF to AGND at REF, R
L
= 100Ω ±1% applied to digital LVDS outputs, T
A
=
T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C)
-100
-70
-80
-90
-50
-60
-10
-20
-30
-40
0
0 20 40 60 80 100 120 140
8192-POINT FFT,
DIFFERENTIAL INPUT
MAX105 toc01
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB FS)
f
IN
= 125.146MHz
A
IN
= -0.5dB FS
-100
-70
-80
-90
-60
-50
-40
-30
-20
-10
0
08040 120 160 200
8192-POINT FFT,
DIFFERENTIAL INPUT
MAX105 toc02
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB FS)
f
IN
= 124.999MHz
A
IN
= -0.5dB FS
-100
-70
-80
-90
-60
-50
-40
-30
-20
-10
0
0 14070 210 280 350 420
8192-POINT FFT,
DIFFERENTIAL INPUT
MAX105 toc03
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB FS)
f
IN
= 400.124MHz
A
IN
= -0.5dB FS
-100
-70
-80
-90
-60
-50
-40
-30
-20
-10
0
0 16080 240 320 400
TWO-TONE IMD (8192-POINT RECORD),
DIFFERENTIAL INPUT
MAX105 toc04
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB FS)
f
N1
= 124.166MHz
f
IN2
= 126.126MHz
A
IN
= -7dB FS
f
IN1
f
IN2
40
0
10M 1G 10G
SINAD vs. ANALOG INPUT FREQUENCY,
DIFFERENTIAL INPUT
10
5
15
20
25
30
35
MAX105 toc06
ANALOG INPUT FREQUENCY (Hz)
AMPLITUDE (dB)
100M
-12dB FS
-6dB FS
-1dB FS
-20
-60
10M 1G 10G
THD vs. ANALOG INPUT FREQUENCY,
DIFFERENTIAL INPUT
-50
-55
-45
-40
-35
-30
-25
MAX105 toc07
ANALOG INPUT FREQUENCY (Hz)
AMPLITUDE (dB)
100M
-12dB FS
-1dB FS
-6dB FS
55
10
10M 10G1G100M
SFDR vs. ANALOG INPUT FREQUENCY,
DIFFERENTIAL INPUT
25
15
45
35
60
30
20
50
40
MAX105 toc08
ANALOG INPUT FREQUENCY (Hz)
AMPLITUDE (dB)
-12dB FS
-1dB FS
-6dB FS
-4
10M 10G1G100M
FULL-POWER INPUT BANDWIDTH
SINGLE-ENDED INPUT
1
-2
-3
0
-1
MAX105 toc09
ANALOG INPUT FREQUENCY (Hz)
GAIN (dB)
40
0
10M 1G 10G
SNR vs. ANALOG INPUT FREQUENCY,
DIFFERENTIAL INPUT
10
5
15
20
25
30
35
MAX105 toc05
ANALOG INPUT FREQUENCY (Hz)
AMPLITUDE (dB)
100M
-1dB FS
-6dB FS
-12dB FS