MAX1076 Datasheet, PDF (6/18 Pages) Maxim Integrated Products – 1.8Msps, Single-Supply, Low-Power, True- Differential, 10-Bit ADCs with Internal Reference

1.8Msps, Single-Supply, Low-Power, True-
Differential, 10-Bit ADCs with Internal Reference
Typical Operating Characteristics (continued)
(V_DD = +5V, V_L = V_DD, f_SCLK = 28.8MHz, f_SAMPLE = 1.8Msps, T_A = -40°C to +85°C, unless otherwise noted. Typical values are at T_A =
+25°C.)
DYNAMIC PERFORMANCE
vs. INPUT FREQUENCY (MAX1078)
THD vs. INPUT FREQUENCY
SFDR vs. INPUT FREQUENCY
62.00
-80
90
61.75
MAX1076
-82
-84
MAX1078
88
-86
SNR
61.50
-88
86
-90
61.25
SINAD
-92
MAX1078
-94
84
MAX1076
61.00
100
200
300
400
500
ANALOG FREQUENCY (kHz)
FFT PLOT (MAX1076)
0
f_IN = 500kHz
-20 ^{SINAD = 61.5dB}
SNR = 61.4dB
THD = -88.5dB
-40 _{SFDR = 87.0dB}
-60
-96
100
200
300
400
500
ANALOG INPUT FREQUENCY (kHz)
FFT PLOT (MAX1078)
0
f_IN = 500kHz
-20 ^{SINAD = 61.4dB}
SNR = 61.5dB
THD = -93.8dB
-40 _{SFDR = 84.5dB}
-60
82
100
200
300
400
500
ANALOG INPUT FREQUENCY (kHz)
TOTAL HARMONIC DISTORTION
vs. SOURCE IMPEDANCE
-50
-60
f_IN = 500kHz
-70
-80
-80
-100
-100
-120
-120
-80
-90
f_IN = 100kHz
-140
0
150 300 450 600 750 900
ANALOG FREQUENCY (kHz)
-140
0
150 300 450 600 750 900
ANALOG FREQUENCY (kHz)
-100
10
100
1000
SOURCE IMPEDANCE (Ω)
TWO-TONE IMD PLOT (MAX1076)
0
-20
-40
f_IN1
-60
f_SAMPLE = 2Msps
f_IN1 = 250.039kHz
f_IN2 = 300.059kHz
IMD = -81.9dB
f_IN2
-80
-100
-120
-140
0
200 400 600 800 1000
ANALOG FREQUENCY (kHz)
TWO-TONE IMD PLOT (MAX1078)
0
-20
-40
f_IN1
-60
f_SAMPLE = 2Msps
f_IN1 = 250.039kHz
f_IN2 = 300.059kHz
IMD = 82.1dB
f_IN2
-80
-100
-120
-140
0
200 400 600 800 1000
ANALOG FREQUENCY (kHz)
V_DD/V_L FULL POWER-DOWN SUPPLY
CURRENT vs. TEMPERATURE
1.0
0.8
V_DD, NO SCLK
0.6
V_DD, f_SCLK = 28.8MHz
0.4
V_L, NO SCLK
0.2
0
-40 -15
10
35
60
85
TEMPERATURE (°C)
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