MAX1077 Datasheet, PDF (6/18 Pages) Maxim Integrated Products – 1.5Msps, Single-Supply, Low-Power, True-Differential, 10-Bit ADCs with Internal Reference

1.5Msps, Single-Supply, Low-Power, True-
Differential, 10-Bit ADCs with Internal Reference
Typical Operating Characteristics (continued)
(V_DD = +3V, V_L = V_DD, f_SCLK = 24MHz, f_SAMPLE = 1.5Msps, T_A = -40°C to +85°C, unless otherwise noted. Typical values are at T_A =
+25°C.)
DYNAMIC PERFORMANCE
vs. INPUT FREQUENCY (MAX1077)
DYNAMIC PERFORMANCE
vs. INPUT FREQUENCY (MAX1079)
THD vs. INPUT FREQUENCY
62.0
62.0
-80
SNR AND SINAD
61.5
SNR AND SINAD
61.5
-84
MAX1077
61.0
61.0
-88
MAX1079
60.5
60.5
-92
60.0
100
200
300
400
500
ANALOG INPUT FREQUENCY (kHz)
SFDR vs. INPUT FREQUENCY
92
90
MAX1079
88
86
MAX1077
84
82
100
200
300
400
500
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)
60.0
100
200
300
400
500
ANALOG INPUT FREQUENCY (kHz)
-96
100
200
300
400
500
ANALOG INPUT FREQUENCY (kHz)
FFT PLOT (MAX1077)
0
f_IN = 500kHz
-20 ^{SINAD = 61.2dB}
SNR = 61.2dB
-40
THD = -81.7dB
SFDR = 83.5dB
-60
-80
-100
-120
-140
0
125 250 375 500 625 750
ANALOG INPUT FREQUENCY (kHz)
FFT PLOT (MAX1079)
0
f_IN = 500kHz
-20 ^{SINAD = 61.2dB}
SNR = 61.2dB
-40
THD = -91.3dB
SFDR = 88.7dB
-60
-80
-100
-120
-140
0
125 250 375 500 625 750
ANALOG INPUT FREQUENCY (kHz)
TWO-TONE IMD PLOT (MAX1077)
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 (MAX1079)
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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