Typical operating characteristics – Rainbow Electronics MAX1209 User Manual
Page 7
MAX1209
12-Bit, 80Msps, 3.3V IF-Sampling ADC
_______________________________________________________________________________________
7
-100
-30
-40
-10
-20
-70
-80
-90
-50
-60
0
0
4
8
12 16 20 24 28 32 36 40
SINGLE-TONE FFT PLOT
(8192-POINT DATA RECORD)
MAX1209 toc01
FREQUENCY (MHz)
AMPLITUDE (dBFS)
f
CLK
= 80.00352MHz
SINAD = 67.872dB
f
IN
= 69.99331395MHz THD = -82.119dBc
A
IN
= -0.506dBFS
SFDR = 85.522dBc
SNR = 68.039dB
-110
HD2
HD3
HD4
SINGLE-TONE FFT PLOT
(4096-POINT DATA RECORD)
MAX1209 toc02
FREQUENCY (MHz)
AMPLITUDE (dBFS)
f
CLK
= 80.00352MHz SINAD = 66.010dB
f
IN
= 175.078125MHz THD = -82.976dBc
A
IN
= -0.500dBFS SFDR = 84.718dBc
SNR = 66.097dB
0
4
8
12 16 20 24 28 32 36 40
HD4
HD2 HD3
-100
-30
-40
-10
-20
-70
-80
-90
-50
-60
0
-110
TWO-TONE FFT PLOT
(16,384-POINT DATA RECORD)
MAX1209 toc03
FREQUENCY (MHz)
AMPLITUDE (dBFS)
f
CLK
= 80MHz
A
IN2
= -7.046dBFS
f
IN1
= 68.50098MHz
SFDR
TT
= 85.065dBc
A
IN1
= -7.049dBFS
IMD = -82.255dBc
f
IN2
= 71.499MHz
IM3 = -86.378dBc
0
4
8
12 16 20 24 28 32 36 40
-100
-30
-40
-10
-20
-70
-80
-90
-50
-60
0
-110
f
IN1
f
IN2
2 x f
IN1
+ f
IN2
f
IN1
+ 2 x f
IN2
f
IN2
+ f
IN1
TWO-TONE FFT PLOT
(16,384-POINT DATA RECORD)
MAX1209 toc04
FREQUENCY (MHz)
AMPLITUDE (dBFS)
f
CLK
= 80MHz A
IN2
= -7.017dBFS
f
IN1
= 172.4853516MHz SFDR
TT
= 74.205dBc
A
IN1
= -6.976dBFS IMD = -74.108dBc
f
IN2
= 177.4853516MHz IM3 = -85.923dBc
0
4
8
12 16 20 24 28 32 36 40
-100
-30
-40
-10
-20
-70
-80
-90
-50
-60
0
-110
f
IN1
f
IN2
f
IN2
- f
IN1
f
IN2
+ f
IN1
-1.0
-0.6
-0.8
-0.2
-0.4
0.2
0
0.4
0.8
0.6
1.0
0
1024 1536
512
2048 2650 3072 3584 4096
INTEGRAL NONLINEARITY
MAX1209 toc05
DIGITAL OUTPUT CODE
INL (LSB)
-1.0
-0.6
-0.8
-0.2
-0.4
0.2
0
0.4
0.8
0.6
1.0
0
1024 1536
512
2048 2650 3072 3584 4096
DIFFERENTIAL NONLINEARITY
MAX1209 toc06
DIGITAL OUTPUT CODE
DNL (LSB)
Typical Operating Characteristics
(V
DD
= 3.3V, OV
DD
= 2.0V, GND = 0, REFIN = REFOUT (internal reference), V
IN
= -0.5dBFS, CLKTYP = high, DCE = high, PD = low,
G/T = low, f
CLK
= 80MHz (50% duty cycle), T
A
= +25°C, unless otherwise noted.)