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MAX1196 Datasheet, PDF (7/23 Pages) Maxim Integrated Products – Dual 8-Bit, 40Msps, 3V, Low-Power ADC with Internal Reference and Multiplexed Parallel Outputs
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Dual 8-Bit, 40Msps, 3V, Low-Power ADC with
Internal Reference and Multiplexed Parallel Outputs
Typical Operating Characteristics
(VDD = OVDD = 3V, VREFIN = 2.048V, differential input at -1dB FS, fCLK = 40MHz, CL ≈ 10pF, TA = +25°C, unless otherwise noted.)
FFT PLOT CHA
(DIFFERENTIAL INPUT, 8192-POINT DATA RECORD)
0
-10
-20
fINA
-30
fCLK = 40.0005678MHz
fINA = 1.958036MHz
fINB = 7.534287MHz
AINA = AINB = -1dB FS
COHERENT SAMPLING
FFT PLOT CHB
(DIFFERENTIAL INPUT, 8192-POINT DATA RECORD)
0
-10
fCLK = 40.0005678MHz
fINA = 1.958036MHz
-20
fINB = 7.534287MHz
AINA = AINB = -1dB FS
-30
fINB
COHERENT SAMPLING
FFT PLOT CHA
(DIFFERENTIAL INPUT, 8192-POINT DATA RECORD)
0
-10
-20
fCLK = 40.0005678MHz
fINA
fINA = 7.534287MHz
fINB = 1.958036MHz
AINA = AINB = -1dB FS
-30
COHERENT SAMPLING
-40
-40
-40
-50
fINB
HD2 HD3
-60
-70
-50
-60
fINA
-70
HD3
HD2
-50
-60
fINB
-70
HD2 HD3
-80
-80
-80
-90
0
2 4 6 8 10 12 14 16 18 20
ANALOG INPUT FREQUENCY (MHz)
-90
0
2 4 6 8 10 12 14 16 18 20
ANALOG INPUT FREQUENCY (MHz)
-90
0
2 4 6 8 10 12 14 16 18 20
ANALOG INPUT FREQUENCY (MHz)
FFT PLOT CHB
FFT PLOT CHA
(DIFFERENTIAL INPUT, 8192-POINT DATA RECORD) (DIFFERENTIAL INPUT, 8192-POINT DATA RECORD)
0
0
-10
-20
fINB
-30
fCLK = 40.0005678MHz
fINA = 7.534287MHz
fINB = 1.958036MHz
AINA = AINB = -1dB FS
COHERENT SAMPLING
fCLK = 40.0005678MHz
-10 fINA = 19.88798MHz
-20
fINB = 40.49374MHz
AINA = AINB = -1dB FS
-30 COHERENT SAMPLING
-40
-40
fINA
-50
HD3
-60
HD2
fINA
HD2
-50
-60
fINB
HD3
-70
-70
FFT PLOT CHB
(DIFFERENTIAL INPUT, 8192-POINT DATA RECORD)
0
-10
-20
fINB
-30
fCLK = 40.0005678MHz
fINA = 19.88798MHz
fINB = 40.49374MHz
AINA = AINB = -1dB FS
COHERENT SAMPLING
-40
-50
HD2
-60
HD3
fINA
-70
-80
-80
-80
-90
0
2 4 6 8 10 12 14 16 18 20
ANALOG INPUT FREQUENCY (MHz)
-90
0
2 4 6 8 10 12 14 16 18 20
ANALOG INPUT FREQUENCY (MHz)
-90
0
2 4 6 8 10 12 14 16 18 20
ANALOG INPUT FREQUENCY (MHz)
FFT PLOT CHA
FFT PLOT CHB
(DIFFERENTIAL INPUT, 8192-POINT DATA RECORD) (DIFFERENTIAL INPUT, 8192-POINT DATA RECORD)
0
-10
-20
fINA
-30
fCLK = 40.0005678MHz
fINA = 40.49374MHz
fINB = 19.88798MHz
AINA = AINB = -1dB FS
COHERENT SAMPLING
0
-10
fCLK = 40.0005678MHz
fINA = 40.49374MHz
-20 fINB = 19.88798MHz
AINA = AINB = -1dB FS
-30 COHERENT SAMPLING
-40
-40
fINB
-50
HD2
HD3
-60
-50
fINA
fINB
-60 HD2
HD3
-70
-70
TWO-TONE IMD PLOT
(DIFFERENTIAL INPUT, 8192-POINT DATA RECORD)
0
-10
fCLK = 40.001536MHz
fINA = 1.997147MHz
-20
fINB = 2.045977MHz
AIN = -7dB FS
-30
COHERENT SAMPLING
-40
fIN1
fIN2
-50
-60
-70
-80
-80
-80
-90
0
2 4 6 8 10 12 14 16 18 20
ANALOG INPUT FREQUENCY (MHz)
-90
0
2 4 6 8 10 12 14 16 18 20
ANALOG INPUT FREQUENCY (MHz)
-90
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
ANALOG INPUT FREQUENCY (MHz)
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