MAX1192
Ultra-Low-Power, 22Msps, Dual 8-Bit ADC
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7
FFT PLOT CHANNEL A (DIFFERENTIAL
INPUTS, 8192-POINT DATA RECORD)
MAX1192 toc01
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
108642
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
012
f
CLK
= 22.005678MHz
f
INA
= 5.606183MHz
f
INB
= 8.056034MHz
A
INA
= A
INB
= -0.5dB FS
HD3
HD2
f
INB
FFT PLOT CHANNEL B (DIFFERENTIAL
INPUTS, 8192-POINT DATA RECORD)
MAX1192 toc02
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
108642
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
012
f
CLK
= 22.005678MHz
f
INA
= 5.606183MHz
f
INB
= 8.056034MHz
A
INA
= A
INB
= -0.5dB FS
HD3
HD2
f
INA
FFT PLOT CHANNEL A (DIFFERENTIAL
INPUTS, 8192-POINT DATA RECORD)
MAX1192 toc03
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
108642
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
012
f
CLK
= 22.005678MHz
f
INA
= 8.056034MHz
f
INB
= 5.606183MHz
A
INA
= A
INB
= -0.5dB FS
HD3
HD2
f
INB
FFT PLOT CHANNEL B (DIFFERENTIAL
INPUTS, 8192-POINT DATA RECORD)
MAX1192 toc04
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
108642
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
012
f
CLK
= 22.005678MHz
f
INA
= 8.056034MHz
f
INB
= 5.606183MHz
A
INA
= A
INB
= -0.5dB FS
HD3
HD2
f
INA
TWO-TONE IMD PLOT (DIFFERENTIAL
INPUTS, 8192-POINT DATA RECORD)
MAX1192 toc05
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
108642
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
012
f
CLK
= 22.005678MHz
f
IN1
= 1.8MHz
f
IN2
= 2.3MHz
A
IN
= -7dB FS
f
IN2
f
IN1
Typical Operating Characteristics
(V
DD
= 3.0V, OV
DD
= 1.8V, V
REFIN
= V
DD
(internal reference), C
L
≈ 10pF at digital outputs, differential input at -0.5dB FS, f
CLK
=
22.005678MHz at 50% duty cycle, T
A
= +25°C, unless otherwise noted.)