MAX1444 Datasheet, PDF (6/20 Pages) Maxim Integrated Products – 10-Bit, 40Msps, 3.0V, Low-Power ADC with Internal Reference

10-Bit, 40Msps, 3.0V, Low-Power
ADC with Internal Reference
Typical Operating Characteristics
(V_DD = 3.0V, OV_DD = 2.7V, internal reference, differential input at -0.5dB FS, f_CLK = 40MHz, C_L ≈ 10pF, T_A = +25°C, unless other-
wise noted.)
FFT PLOT (f_IN = 7.51MHz,
8192-POINT FFT, DIFFERENTIAL INPUT)
0
SINAD = 59dB
-10
SNR = 59.3dB
-20
THD = -71.6dBc
SFDR = 73dBc
-30
-40
-50
3RD HARMONIC
-60
2ND HARMONIC
-70
-80
-90
-100
0
2 4 6 8 10 12 14 16 18 20
ANALOG INPUT FREQUENCY (MHz)
FFT PLOT (f_IN = 7.51MHz,
8192-POINT FFT, SINGLE-ENDED INPUT)
0
SINAD = 59.7dB
-10
SNR = 60dB
-20
THD = -71.8dBc
SFDR = 75dBc
-30
-40
3RD HARMONIC
-50
2ND HARMONIC
-60
-70
-80
-90
-100
0
2 4 6 8 10 12 14 16 18 20
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)
FFT PLOT (f_IN = 19.91MHz,
8192-POINT FFT, DIFFERENTIAL INPUT)
0
SINAD = 58.9dB
-10 SNR = 59.1dB
-20
THD = -72.8dBc
SFDR = 75.2dBc
-30
-40
-50
-60 _{2ND HARMONIC}
-70
3RD HARMONIC
-80
-90
-100
0
2 4 6 8 10 12 14 16 18 20
ANALOG INPUT FREQUENCY (MHz)
FFT PLOT (f_IN = 19.91MHz,
8192-POINT FFT, SINGLE-ENDED INPUT)
0
SINAD = 59.1dB
-10 SNR = 59.2dB
-20
THD = -74.6dBc
SFDR = 77.6dBc
-30
-40
-50
-60 ^{2ND HARMONIC}
3RD HARMONIC
-70
-80
-90
-100
0
2 4 6 8 10 12 14 16 18 20
ANALOG INPUT FREQUENCY (MHz)
TWO-TONE INTERMODULATION
8192-POINT IMD (DIFFERENTIAL INPUT)
0
f₁ = 11.5MHz AT
-10 -6.5dB FS
-20
f₂ = 13.5MHz AT
-6.5dB FS
-30 IMD = -76dBc
-40
-50
-60
-70
-80
-90
-100
0
5
10
15
20
25
ANALOG INPUT FREQUENCY (MHz)
FFT PLOT (f_IN = 47MHz,
8192-POINT FFT, DIFFERENTIAL INPUT)
0
SINAD = 58.1dB
-10
SNR = 58.4dB
-20
THD = -69.7dBc
SFDR = 72.4dBc
-30
-40
3RD HARMONIC
-50
2ND HARMONIC
-60
-70
-80
-90
-100
0
5
10
15
20
25
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)
SPURIOUS-FREE DYNAMIC RANGE
vs. ANALOG INPUT FREQUENCY
80
75
70
DIFFERENTIAL
65
60
55
SINGLE ENDED
50
45
40
1
10
100
ANALOG INPUT FREQUENCY (MHz)
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