MAX1186 Datasheet, PDF (6/21 Pages) Maxim Integrated Products – Dual 10-Bit, 40Msps, 3V, Low-Power ADC with Internal Reference and Multiplexed Parallel Outputs

Dual 10-Bit, 40Msps, 3V, Low-Power ADC with
Internal Reference and Multiplexed Parallel Outputs
Typical Operating Characteristics
(V_DD = 3V, OV_DD = 2.5V, V_REFIN = 2.048V, differential input at -0.5dB FS, f_CLK = 40.00057MHz, C_L ≈ 10pF, T_A = +25°C,
unless otherwise noted.)
FFT PLOT CHA (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
0
CHA
-10
-20
-30
f_CLK = 40.0005678MHz
f_INA = 6.1475482MHz
f_INB = 7.5342866MHz
AINA = -0.552dB FS
-40
-50
-60
HD3
-70
HD2
-80
-90
-100
0
2 4 6 8 10 12 14 16 18 20
ANALOG INPUT FREQUENCY (MHz)
FFT PLOT CHB (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
0
-10
f_CLK = 40.0005678MHz
f_INA = 19.8879776MHz
CHB
-20 ^fINB ^{= 24.9661747MHz}
AINB = -0.498dB FS
-30
-40
-50
-60
HD3
-70
HD2
-80
-90
-100
0
2 4 6 8 10 12 14 16 18 20
ANALOG INPUT FREQUENCY (MHz)
SIGNAL-TO-NOISE PLUS DISTORTION vs.
ANALOG INPUT FREQUECNY
62
FFT PLOT CHB (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
0
CHB
-10
-20
-30
f_CLK = 40.0005678MHz
f_INA = 6.1475482MHz
f_INB = 7.5342866MHz
AINB = -0.534dB FS
-40
-50
-60
HD3
-70
HD2
-80
-90
-100
0
2 4 6 8 10 12 14 16 18 20
ANALOG INPUT FREQUENCY (MHz)
TWO-TONE IMD PLOT (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
0
-10
f_CLK = 40.0005678MHz
f_IN1 = 11.606610MHz
-20 ^fIN2 ^{= 13.383979MHz}
AIN = -6.5dB FS
f_IN2
-30 _{TWO-TONE ENVELOPE =}
-40 ^{-0.471dB FS}
-50
f_IN1
-60
IMD3
-70 ^IMD2 _IMD3
IMD2
-80
-90
-100
0
2 4 6 8 10 12 14 16 18 20
ANALOG INPUT FREQUENCY (MHz)
TOTAL HARMONIC DISTORTION vs.
ANALOG INPUT FREQUENCY
-60
FFT PLOT CHA (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
0
-10
f_CLK = 40.0005678MHz
f_INA = 19.8879776MHz
CHA
-20 ^fINB ^{= 24.9661747MHz}
AINA = -0.516dB FS
-30
-40
-50
-60
HD3
-70
HD2
-80
-90
-100
0
2 4 6 8 10 12 14 16 18 20
ANALOG INPUT FREQUENCY (MHz)
SIGNAL-TO-NOISE RATIO vs.
ANALOG INPUT FREQUENCY
61
CHB
60
59
CHA
58
57
56
55
1
10
100
ANALOG INPUT FREQUENCY (MHz)
SPURIOUS-FREE DYNAMIC RANGE vs.
ANALOG INPUT FREQUENCY
80
CHB
-64
60
CHB
76
CHA
-68
72
58
CHA
-72
56
-76
68
CHB
CHA
64
54
1
10
100
ANALOG INPUT FREQUENCY (MHz)
-80
1
10
100
ANALOG INPUT FREQUENCY (MHz)
60
1
10
100
ANALOG INPUT FREQUENCY (MHz)
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