MAX1072 Datasheet, PDF (6/18 Pages) Maxim Integrated Products – 1.8Msps, Single-Supply, Low-Power, True-Differential, 10-Bit ADCs

1.8Msps, Single-Supply, Low-Power,
True-Differential, 10-Bit ADCs
Typical Operating Characteristics (continued)
(V_DD = +5V, V_L = V_DD, V_REF = 4.096V, f_SCLK = 28.8MHz, T_A = T_MIN to T_MAX, unless otherwise noted. Typical values are at T_A = +25°C.)
FFT PLOT (MAX1075)
0
f_SAMPLE = 2Msps
-20
f_SCLK = 32MHz
f_IN = 100kHz
-40
SINAD = 61.37dB
SNR = 61.37dB
-60
THD = -90.79dB
SFDR = 85.45dB
-80
FFT PLOT (MAX1072)
FFT PLOT (MAX1075)
0
0
f_SAMPLE = 2Msps
f_SAMPLE = 2Msps
-20
f_SCLK = 32MHz
-20
f_SCLK = 32MHz
f_IN = 300kHz
f_IN = 300kHz
-40
SINAD = 61.43dB
-40
SINAD = 61.36dB
SNR = 61.43dB
SNR = 61.38dB
-60
THD = -84.38dB
SFDR = 85.43dB
-60
THD = -84.27dB
SFDR = 84.82dB
-80
-80
-100
-100
-100
-120
-120
-120
-140
0
200 400 600 800 1000
ANALOG INPUT FREQUENCY (kHz)
-140
0
200 400 600 800 1000
ANALOG INPUT FREQUENCY (kHz)
-140
0
200 400 600 800 1000
ANALOG INPUT FREQUENCY (kHz)
0
-20
-40
-60
-80
-100
-120
-140
0
FFT PLOT (MAX1072)
f_SAMPLE = 2Msps
f_SCLK = 32MHz
f_IN = 500kHz
SINAD = 61.27dB
SNR = 61.28dB
THD = -86.84dB
SFDR = 84.77dB
200 400 600 800 1000
ANALOG INPUT FREQUENCY (kHz)
0
-20
-40
-60
-80
-100
-120
-140
0
FFT PLOT (MAX1075)
f_SAMPLE = 2Msps
f_SCLK = 32MHz
f_IN = 500kHz
SINAD = 61.34dB
SNR = 61.35dB
THD = -95.5dB
SFDR = 84.35dB
200 400 600 800 1000
ANALOG INPUT FREQUENCY (kHz)
TOTAL HARMONIC DISTORTION
vs. SOURCE IMPEDANCE
-60
-65
-70
-75
f_IN = 500kHz
-80
-85
-90
f_IN = 100kHz
-95
-100
10
100
1000
SOURCE IMPEDANCE (Ω)
TWO-TONE IMD PLOT (MAX1072)
0
f_SCLK = 32MHz
-20
f_IN1 = 250.039kHz
f_IN2 = 300.059kHz
-40
IMD = -81.9dB
-60 ^fIN1
f_IN2
-80
-100
-120
-140
0
200 400 600 800 1000
ANALOG INPUT FREQUENCY (kHz)
TWO-TONE IMD PLOT (MAX1075)
0
f_SCLK = 32MHz
-20
f_IN1 = 250.039kHz
f_IN2 = 300.059kHz
-40
IMD = -82.1dB
f_IN1
f_IN2
-60
-80
-100
-120
-140
0
200 400 600 800 1000
ANALOG INPUT FREQUENCY (kHz)
V_DD/V_L FULL POWER-DOWN
SUPPLY CURRENT vs. TEMPERATURE
1.0
0.8
0.6
V_DD, f_SCLK = 28.8MHz
0.4
V_DD, f_SCLK = 0
0.2 _{VL, fSCLK = 0}
0
-40 -15
10
35
60
85
TEMPERATURE (°C)
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