MAX1070 Datasheet, PDF (6/18 Pages) Maxim Integrated Products – 1.5Msps, Single-Supply, Low-Power, True-Differential, 10-Bit ADCs

1.5Msps, Single-Supply, Low-Power,
True-Differential, 10-Bit ADCs
Typical Operating Characteristics (continued)
(V_DD = +3V, V_L = V_DD, V_REF = 2.048V, f_SCLK = 24MHz, f_SAMPLE = 1.5Msps, T_A = T_MIN to T_MAX, unless otherwise noted. Typical values
are at T_A = +25°C.)
DYNAMIC PERFORMANCE
vs. INPUT FREQUENCY (MAX1070)
61.5
DYNAMIC PERFORMANCE
vs. INPUT FREQUENCY (MAX1071)
61.5
THD vs. INPUT FREQUENCY
-82
61.4
61.4
-84
MAX1070
61.3
SNR
61.2
61.1
SINAD
61.0
100
200
300
400
500
ANALOG INPUT FREQUENCY (kHz)
61.3
SNR
61.2
61.1
SINAD
61.0
100
200
300
400
500
ANALOG INPUT FREQUENCY (kHz)
-86
-88
-90
MAX1071
-92
100
200
300
400
500
ANALOG INPUT FREQUENCY (kHz)
SFDR vs. INPUT FREQUENCY
90
88
MAX1070
86
84
MAX1071
82
80
100
200
300
400
500
ANALOG INPUT FREQUENCY (kHz)
FFT PLOT (MAX1070)
0
f_IN = 500kHz
-20 ^{SINAD = 61.2dB}
SNR = 61.2dB
THD = -83.5dB
-40 _{SFDR = 83.8dB}
-60
-80
-100
-120
-140
0
125 250 375 500 625 750
ANALOG INPUT FREQUENCY (kHz)
FFT PLOT (MAX1071)
0
f_IN = 500kHz
-20 ^{SINAD = 61.3dB}
SNR = 61.3dB
-40
THD = -90dB
SFDR = 85.4dB
-60
-80
-100
-120
-140
0
125 250 375 500 625 750
ANALOG INPUT FREQUENCY (kHz)
TOTAL HARMONIC DISTORTION
vs. SOURCE IMPEDANCE
-50
-60
f_IN = 500kHz
-70
-80
f_IN = 100kHz
-90
-100
10
100
1000
SOURCE IMPEDANCE (Ω)
TWO-TONE IMD PLOT (MAX1070)
0
f_IN1 = 250.102kHz
-20
f_IN2 = 299.966kHz
IMD = -86.6dB
-40
f_IN1
f_IN2
-60
-80
-100
-120
-140
0
125 250 375 500 625 750
ANALOG INPUT FREQUENCY (kHz)
TWO-TONE IMD PLOT (MAX1071)
0
f_IN1 = 250.102kHz
-20
f_IN2 = 299.966kHz
IMD = -83.4dB
-40
-60
f_IN1
f_IN2
-80
-100
-120
-140
0
125 250 375 500 625 750
ANALOG INPUT FREQUENCY (kHz)
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