MAX1192 Maxim, MAX1192 Datasheet - Page 7

• Manufacturer Part Number: MAX1192
• Description: Ultra-Low-Power / 22Msps / Dual 8-Bit ADC
• Manufacturer: Maxim

(V
22.005678MHz at 50% duty cycle, T
DD
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
= 3.0V, OV
0
FFT PLOT CHANNEL A (DIFFERENTIAL
INPUTS, 8192-POINT DATA RECORD)
ANALOG INPUT FREQUENCY (MHz)
2
DD
-10
-20
-30
-40
-50
-60
-70
-80
-90
Ultra-Low-Power, 22Msps, Dual 8-Bit ADC
HD3
4
0
= 1.8V, V
_______________________________________________________________________________________
0
FFT PLOT CHANNEL B (DIFFERENTIAL
INPUTS, 8192-POINT DATA RECORD)
6
f
f
f
A
CLK
INA
INB
INA
f
ANALOG INPUT FREQUENCY (MHz)
INB
2
= 5.606183MHz
= 8.056034MHz
= 22.005678MHz
= A
8
REFIN
INB
4
HD3
= -0.5dB FS
HD2
10
A
= V
6
= +25°C, unless otherwise noted.)
f
f
f
A
CLK
INA
INB
INA
12
DD
= 8.056034MHz
= 5.606183MHz
= 22.005678MHz
= A
8
(internal reference), C
INB
f
INA
= -0.5dB FS
10
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
HD2
0
FFT PLOT CHANNEL B (DIFFERENTIAL
12
INPUTS, 8192-POINT DATA RECORD)
f
f
f
A
CLK
INA
INB
HD3
INA
= 5.606183MHz
= 8.056034MHz
= 22.005678MHz
= A
ANALOG INPUT FREQUENCY (MHz)
2
INB
= -0.5dB FS
4
f
INA
L
≈ 10pF at digital outputs, differential input at -0.5dB FS, f
6
HD2
Typical Operating Characteristics
8
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
10
0
TWO-TONE IMD PLOT (DIFFERENTIAL
INPUTS, 8192-POINT DATA RECORD)
f
IN1
12
ANALOG INPUT FREQUENCY (MHz)
2
f
IN2
4
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
6
0
f
f
f
A
CLK
IN1
IN2
FFT PLOT CHANNEL A (DIFFERENTIAL
IN
INPUTS, 8192-POINT DATA RECORD)
f
f
f
A
CLK
INA
INB
= -7dB FS
INA
= 1.8MHz
= 2.3MHz
= 22.005678MHz
= 8.056034MHz
= 5.606183MHz
8
= 22.005678MHz
= A
ANALOG INPUT FREQUENCY (MHz)
2
INB
HD3
= -0.5dB FS
10
4
f
INB
12
6
HD2
8
10
CLK
12
=
7