MAX1192 Datasheet, PDF (7/28 Pages) Maxim Integrated Products – Ultra-Low-Power, 22Msps, Dual 8-Bit ADC

Ultra-Low-Power, 22Msps, Dual 8-Bit ADC
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.)
FFT PLOT CHANNEL A (DIFFERENTIAL
INPUTS, 8192-POINT DATA RECORD)
0
f_CLK = 22.005678MHz
-10
f_INA = 5.606183MHz
-20
f_INB = 8.056034MHz
A_INA = A_INB = -0.5dB FS
-30
-40
-50
HD3
f_INB
HD2
-60
-70
-80
-90
0
2 4 6 8 10 12
ANALOG INPUT FREQUENCY (MHz)
FFT PLOT CHANNEL B (DIFFERENTIAL
INPUTS, 8192-POINT DATA RECORD)
0
f_CLK = 22.005678MHz
-10 _{fINA = 5.606183MHz}
-20
f_INB = 8.056034MHz
A_INA = A_INB = -0.5dB FS
-30
-40
-50
HD3
-60
f_INA
HD2
-70
-80
-90
0
2 4 6 8 10 12
ANALOG INPUT FREQUENCY (MHz)
FFT PLOT CHANNEL A (DIFFERENTIAL
INPUTS, 8192-POINT DATA RECORD)
0
f_CLK = 22.005678MHz
-10 _{fINA = 8.056034MHz}
-20
f_INB = 5.606183MHz
A_INA = A_INB = -0.5dB FS
-30
-40
-50
-60
HD3 _fINB ^HD2
-70
-80
-90
0
2 4 6 8 10 12
ANALOG INPUT FREQUENCY (MHz)
FFT PLOT CHANNEL B (DIFFERENTIAL
INPUTS, 8192-POINT DATA RECORD)
0
f_CLK = 22.005678MHz
-10
f_INA = 8.056034MHz
-20
f_INB = 5.606183MHz
A_INA = A_INB = -0.5dB FS
-30
-40
-50
HD3
f_INA
HD2
-60
-70
-80
-90
0
2 4 6 8 10 12
ANALOG INPUT FREQUENCY (MHz)
TWO-TONE IMD PLOT (DIFFERENTIAL
INPUTS, 8192-POINT DATA RECORD)
0
-10
f_CLK = 22.005678MHz
f_IN1 = 1.8MHz
-20
f_IN2 = 2.3MHz
A_IN = -7dB FS
-30
-40 f_IN1
f_IN2
-50
-60
-70
-80
-90
0
2
4
6
8 10 12
ANALOG INPUT FREQUENCY (MHz)
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