Typical operating characteristics – Rainbow Electronics MAX1208 User Manual
Page 7
MAX1208
12-Bit, 80Msps, 3.3V ADC
_______________________________________________________________________________________
7
SINGLE-TONE FFT PLOT
(8192-POINT DATA RECORD)
MAX1208 toc01
FREQUENCY (MHz)
AMPLITUDE (dBFS)
36
32
24 28
8
12 16 20
4
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-110
0
40
f
CLK
= 80.00353MHz
f
IN
= 2.99817879MHz
AIN = -0.527dBFS
SNR = 68.100dB
SINAD = 68.061dB
THD = -88.539dBc
SFDR = 90.612dBc
HD3
HD2
SINGLE-TONE FFT PLOT
(8192-POINT DATA RECORD)
MAX1208 toc02
FREQUENCY (MHz)
AMPLITUDE (dBFS)
36
32
24 28
8
12 16 20
4
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-110
0
40
f
CLK
= 80.00353MHz
f
IN
= 32.49166395MHz
A
IN
= -0.495dBFS
SNR = 68.236dB
SINAD = 68.173dB
THD = -86.624dBc
SFDR = 89.446dBc
HD3
HD2
SINGLE-TONE FFT PLOT
(8192-POINT DATA RECORD)
MAX1208 toc03
FREQUENCY (MHz)
AMPLITUDE (dBFS)
36
32
24 28
8
12 16 20
4
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-110
0
40
f
CLK
= 80.00353MHz
f
IN
= 69.99331395MHz
A
IN
= -0.510dBFS
SNR = 68.011dB
SINAD = 67.819dB
THD = -81.470dBc
SFDR = 85.617dBc
HD3
HD2
HD4
SINGLE-TONE FFT PLOT
(16,384-POINT DATA RECORD)
MAX1208 toc04
FREQUENCY (MHz)
AMPLITUDE (dBFS)
36
32
24 28
8
12 16 20
4
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-110
0
40
f
CLK
= 80MHz
f
IN1
= 43.90137MHz
A
IN1
= -7.010dBFS
f
IN2
= 45.90332MHz
A
IN2
= -7.041dBFS
SFDR
TT
= 87.239dBc
IMD = -85.288dBc
IM3 = -87.415dBc
f
IN1
f
IN2
2 x f
IN1
+ f
IN2
SINGLE-TONE FFT PLOT
(16,384-POINT DATA RECORD)
MAX1208 toc05
FREQUENCY (MHz)
AMPLITUDE (dBFS)
36
32
24 28
8
12 16 20
4
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-110
0
40
f
CLK
= 80MHz
f
IN1
= 68.50098MHz
A
IN1
= -7.043dBFS
f
IN2
= 71.499MHz
A
IN2
= -7.041dBFS
IMD = -80.988dBc
IM3 = -84.424dBc
f
IN1
f
IN2
2 x f
IN1
+ f
IN2
f
IN1
+ 2 x f
IN2
f
IN1
+ f
IN2
INTEGRAL NONLINEARITY
MAX1208 toc06
DIGITAL OUTPUT CODE
INL (LSB)
3584
3072
2048 2560
1024 1536
512
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0
4096
DIFFERENTIAL NONLINEARITY
MAX1208 toc07
DIGITAL OUTPUT CODE
DNL (LSB)
3584
3072
2048 2560
1024 1536
512
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0
4096
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.)