![](http://datasheet.mmic.net.cn/Maxim-Integrated-Products/MAX1075CTC-T_datasheet_105480/MAX1075CTC-T_6.png)
Typical Operating Characteristics (continued)
(VDD = +5V, VL = VDD, VREF = 4.096V, fSCLK = 28.8MHz, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA =
+25°C.)
MAX1072/MAX1075
1.8Msps, Single-Supply, Low-Power,
True-Differential, 10-Bit ADCs
6
_______________________________________________________________________________________
FFT PLOT (MAX1075)
MAX1072/75
toc10
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE
(dB)
800
600
400
200
-120
-100
-80
-60
-40
-20
0
-140
0
1000
fSAMPLE = 2Msps
fSCLK = 32MHz
fIN = 100kHz
SINAD = 61.37dB
SNR = 61.37dB
THD = -90.79dB
SFDR = 85.45dB
FFT PLOT (MAX1072)
MAX1072/75
toc11
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE
(dB)
800
600
400
200
-120
-100
-80
-60
-40
-20
0
-140
0
1000
fSAMPLE = 2Msps
fSCLK = 32MHz
fIN = 300kHz
SINAD = 61.43dB
SNR = 61.43dB
THD = -84.38dB
SFDR = 85.43dB
FFT PLOT (MAX1075)
MAX1072/75
toc12
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE
(dB)
800
600
400
200
-120
-100
-80
-60
-40
-20
0
-140
0
1000
fSAMPLE = 2Msps
fSCLK = 32MHz
fIN = 300kHz
SINAD = 61.36dB
SNR = 61.38dB
THD = -84.27dB
SFDR = 84.82dB
FFT PLOT (MAX1072)
MAX1072/75
toc13
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE
(dB)
800
600
400
200
-120
-100
-80
-60
-40
-20
0
-140
0
1000
fSAMPLE = 2Msps
fSCLK = 32MHz
fIN = 500kHz
SINAD = 61.27dB
SNR = 61.28dB
THD = -86.84dB
SFDR = 84.77dB
FFT PLOT (MAX1075)
MAX1072/75
toc14
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE
(dB)
800
600
400
200
-120
-100
-80
-60
-40
-20
0
-140
0
1000
fSAMPLE = 2Msps
fSCLK = 32MHz
fIN = 500kHz
SINAD = 61.34dB
SNR = 61.35dB
THD = -95.5dB
SFDR = 84.35dB
TOTAL HARMONIC DISTORTION
vs. SOURCE IMPEDANCE
MAX1072/75
toc15
SOURCE IMPEDANCE (
Ω)
THD
(dB)
100
-95
-90
-85
-80
-75
-70
-65
-60
-100
10
1000
fIN = 100kHz
fIN = 500kHz
TWO-TONE IMD PLOT (MAX1072)
MAX1072/75
toc16
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE
(dB)
800
600
400
200
-120
-100
-80
-60
-40
-20
0
-140
0
1000
fSCLK = 32MHz
fIN1 = 250.039kHz
fIN2 = 300.059kHz
IMD = -81.9dB
fIN1
fIN2
TWO-TONE IMD PLOT (MAX1075)
MAX1072/75
toc17
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE
(dB)
800
600
400
200
-120
-100
-80
-60
-40
-20
0
-140
0
1000
fSCLK = 32MHz
fIN1 = 250.039kHz
fIN2 = 300.059kHz
IMD = -82.1dB
fIN1
fIN2
VDD/VL FULL POWER-DOWN
SUPPLY CURRENT vs. TEMPERATURE
MAX1072/75
toc18
TEMPERATURE (
°C)
V
DD
/V
LSUPPLY
CURRENT
(μ
A)
60
35
10
-15
0.2
0.4
0.6
0.8
1.0
0
-40
85
VDD, fSCLK = 28.8MHz
VDD, fSCLK = 0
VL, fSCLK = 0