MAX1183 Datasheet, PDF (6/18 Pages) Maxim Integrated Products – Dual 10-Bit, 40Msps, +3V, Low-Power ADC with Internal Reference and Parallel Outputs

Dual 10-Bit, 40Msps, +3V, Low-Power ADC with
Internal Reference and Parallel Outputs
Typical Operating Characteristics (continued)
(V_DD = +3V, OV_DD = +2.5V, V_REFIN = +2.048V, differential input at -0.5dB FS, f_CLK = 40.0006MHz, C_L ≈ 10pF, T_A = +25°C, unless
otherwise noted.)
FFT PLOT CHB (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
0
-10
f_CLK = 40.0005678MHz
f_INA = 24.9661747MHz
CHB
-20 ^fINB ^{= 19.8879776MHz}
AINB = -0.525dB FS
-30
-40
-50
HD3
-60
-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
-30 _{TWO-TONE ENVELOPE =}
f_IN2
-40 ^{-0.525dB FS}
-50
-60
f_IN1
-70
IMD2 IMD3
-80
IMD3 _IMD2
-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
CHA
60
59
CHB
58
57
56
55
1
10
100
ANALOG INPUT FREQUENCY (MHz)
SIGNAL-TO-NOISE + DISTORTION vs.
ANALOG INPUT FREQUENCY
62
60
CHA
58
CHB
56
TOTAL HARMONIC DISTORTION vs.
ANALOG INPUT FREQUENCY
-65
-68
CHB
-71
-74
CHA
-77
SPURIOUS-FREE DYNAMIC RANGE vs.
ANALOG INPUT FREQUENCY
80
CHA
76
72
CHB
68
64
54
1
10
100
ANALOG INPUT FREQUENCY (MHz)
FULL-POWER INPUT BANDWIDTH vs.
ANALOG INPUT FREQUENCY, SINGLE-ENDED
6
4
2
0
-2
-4
-6
-8
1
10
100
1000
ANALOG INPUT FREQUENCY (MHz)
-80
1
10
100
ANALOG INPUT FREQUENCY (MHz)
SMALL-SIGNAL INPUT BANDWIDTH vs.
ANALOG INPUT FREQUENCY, SINGLE-ENDED
6
V_IN = 100mVp-p
4
2
0
-2
-4
-6
-8
1
10
100
1000
ANALOG INPUT FREQUENCY (MHz)
60
1
10
100
ANALOG INPUT FREQUENCY (MHz)
SIGNAL-TO-NOISE RATIO vs.
INPUT POWER (f_IN = 19.8879776MHz)
65
60
55
50
45
40
35
-20 -16 -12
-8
-4
0
INPUT POWER (dB FS)
6 _______________________________________________________________________________________