MAX12555 Datasheet, PDF (7/28 Pages) Maxim Integrated Products – 14-Bit, 95Msps, 3.3V ADC

14-Bit, 95Msps, 3.3V ADC
Typical Operating Characteristics
(V_DD = 3.3V, OV_DD = 1.8V, GND = 0, REFIN = REFOUT (internal reference), V_IN = -0.5dBFS, CLKTYP = high, DCE = high, PD = low,
G/T = low, f_CLK ≈ 95MHz (50% duty cycle, 1.4V_P-P square wave), T_A = +25°C, unless otherwise noted.)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
0
SINGLE-TONE FFT PLOT
(8192-POINT DATA RECORD)
f_CLK = 95MHz
f_IN = 3.00354004MHz
A_IN = -0.5dBFS
SNR = 73.82dB
SINAD = 73.31dB
THD = -82.8dBc
SFDR = 86.3dBc
HD3 HD5 HD7 HD9
HD2
5 10 15 20 25 30 35 40 45
FREQUENCY (MHz)
SINGLE-TONE FFT PLOT
(8192-POINT DATA RECORD)
0
f_CLK = 95MHz
-10 _{fIN = 47.30285645MHz}
-20 ^AIN ^{= -0.5dBFS}
-30
SNR = 73.13dB
SINAD = 72.74dB
-40 THD = -83.4dBc
-50 ^{SFDR = 85.1dBc}
-60
HD5
-70
HD2
-80
-90
-100
-110
0 5 10 15 20 25 30 35 40 45
FREQUENCY (MHz)
SINGLE-TONE FFT PLOT
(8192-POINT DATA RECORD)
0
-10
f_CLK = 95MHz
f_IN = 70.00915527MHz
-20 AIN = -0.5dBFS
-30
SNR = 73.12dB
SINAD = 71.50dB
-40 _{THD = -76.6dBc}
-50 ^{SFDR = 77.8dBc}
HD3
-60
HD7
HD5
HD2
-70
-80
-90
-100
-110
0 5 10 15 20 25 30 35 40 45
FREQUENCY (MHz)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
0
SINGLE-TONE FFT PLOT
(8192-POINT DATA RECORD)
f_CLK = 95MHz
f_IN = 174.8895264MHz
A_IN = -0.5dBFS
SNR = 71.29dB
SINAD = 68.98dB
THD = -72.8dBc
SFDR = 74.4dBc
HD3
HD5 HD2
5 10 15 20 25 30 35 40 45
FREQUENCY (MHz)
TWO-TONE FFT PLOT
(16,384-POINT DATA RECORD)
0
-10
f_IN1
-20
f_IN2
-30
-40
-50
-60
-70
-80
f_CLK = 95MHz
f_IN1 = 172.4949MHz
A_IN1 = -7.0dBFS
f_IN2 = 177.493MHz
A_IN2 = -7.0dBFS
SFDR_TT = 74.6dBc
IMD = -73.6dBc
IM3 = -74.7dBc
2 x f_IN2 + f_IN1 2 x f_IN1 + f_IN2
f_IN1 + f_IN2
-90
-100
-110
0 5 10 15 20 25 30 35 40 45
FREQUENCY (MHz)
SINGLE-TONE FFT PLOT
(8192-POINT DATA RECORD)
0
-10
f_CLK = 95MHz
f_IN = 225.010376MHz
-20 AIN = -0.5dBFS
-30
SNR = 70.67dB
SINAD = 67.70dB
-40 THD = -70.7dBc
-50 ^{SFDR = 72.5dBc}
HD3 HD2
-60
HD5
HD9 HD7
-70
-80
-90
-100
-110
0 5 10 15 20 25 30 35 40 45
FREQUENCY (MHz)
TWO-TONE FFT PLOT
(16,384-POINT DATA RECORD)
0
-10
f_CLK = 95MHz
f_IN1 = 68.49579MHz
-20 AIN1 = -6.9dBFS
-30
f_IN2 = 71.49933MHz
A_IN2 = -7.0dBFS
-40 SFDR_TT = 77.9dBc
-50 ^{IMD = -76.4dBc}
IM3 = -77.5dBc
-60
2 x f_IN2 + f_IN1
-70
-80
2 x f_IN1 + f_IN2
-90
f_IN1
f_IN2
2 x f_IN1 + 3 x f_IN2
f_IN1 + f_IN2
-100
-110
0 5 10 15 20 25 30 35 40 45
FREQUENCY (MHz)
INTEGRAL NONLINEARITY
3
2
1
0
-1
-2
-3
0
4096
8192 12288 16384
DIGITAL OUTPUT CODE
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
DIFFERENTIAL NONLINEARITY
4096
8192 12288
DIGITAL OUTPUT CODE
16384
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