Rainbow-electronics MAX1215 User Manual Page 3

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MAX1215
1.8V, 12-Bit, 250Msps ADC for
Broadband Applications
_______________________________________________________________________________________ 33 ____________________________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(AV
CC
= OV
CC
= 1.8V, AGND = OGND = 0, f
SAMPLE
= 250MHz, differential sine-wave clock input drive, 0.1µF capacitor on REFIO,
internal reference, digital output pins differential R
L
= 100Ω±1%, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at
T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
UNITS
CLOCK INPUTS (CLKP, CLKN)
Differential Clock Input Amplitude
(Note 3)
200 500
mV
P-P
Clock Input Common-Mode
Voltage Range
Internally self-biased 1.15 ±0.25 V
Clock Differential Input
Resistance
R
CLK
11
±25%
k
Clock Differential Input
Capacitance
C
CLK
5pF
DYNAMIC CHARACTERISTICS (at -1dBFS)
f
IN
= 10MHz, T
A
+25°C
63.5
66
f
IN
= 100MHz, T
A
+25°C
63.4 65.5
f
IN
= 200MHz
65.5
Signal-to-Noise
Ratio
SNR
f
IN
= 250MHz 65
dB
f
IN
= 10MHz, T
A
+25°C
63.5 65.8
f
IN
= 100MHz, T
A
+25°C62
64.3
f
IN
= 200MHz
63.2
Signal-to-Noise
and Distortion
SINAD
f
IN
= 250MHz
64.2
dB
f
IN
= 10MHz, T
A
+25°C7084
f
IN
= 100MHz, T
A
+25°C67
70.7
f
IN
= 200MHz
67.1
Spurious-Free
Dynamic Range
SFDR
f
IN
= 250MHz
72.4
dBc
f
IN
= 10MHz, T
A
+25°C -87 -70
f
IN
= 100MHz, T
A
+25°C
-70.7
-67
f
IN
= 200MHz
-67.1
Worst Harmonics
(HD2 or HD3)
f
IN
= 250MHz
-72.4
dBc
Two-Tone Intermodulation
Distortion
TTIMD
f
IN1
= 99MHz at -7dBFS,
f
IN2
= 101MHz at -7dBFS
-79
dBc
Noise-Power Ratio NPR
f
NOTCH
= 28.8MHz ±1MHz,
noise BW = 50MHz, A
IN
= -9.1dBFS
65.4
dB
LVDS DIGITAL OUTPUTS (D0P/ND11P/N, ORP/N)
Differential Output Voltage |V
OD
|R
L
= 100 ±1%
250
400 mV
Output Offset Voltage OV
OS
R
L
= 100 ±1%
1.125 1.310
V
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