Rainbow Electronics MAX1195 - Manual (Page 7)

MAX1195
Dual, 8-Bit, 40Msps, 3V, Low-Power ADC with
Internal Reference and Parallel Outputs
_______________________________________________________________________________________ 7
Typical Operating Characteristics
(V DD = 3V, OV DD = 3V, V REFIN = 2.048V, differential input at -1dB FS, f CLK = 40MHz, C L
≈ 10pF T
A = +25 °C, unless otherwise
noted.)
SPURIOUS-FREE DYNAMIC RANGE
vs. ANALOG INPUT FREQUENCY
MAX1195 toc09
ANALOG INPUT FREQUENCY (MHz)
SFDR (dBc)
160 120 80 40
50
60
70
80
90
40
0 200
CHA
CHB
TOTAL HARMONIC DISTORTION
vs. ANALOG INPUT FREQUENCY
MAX1195 toc08
ANALOG INPUT FREQUENCY (MHz)
THD (dBc)
160 120 80 40
-80
-70
-60
-50
-40
-90
0 200
CHA
CHB
SIGNAL-TO-NOISE + DISTORTION
vs. ANALOG INPUT FREQUENCY
MAX1195 toc07
ANALOG INPUT FREQUENCY (MHz)
SINAD (dB)
160 120 80 40
46
47
48
49
50
45
0 200
CHA
CHB
SIGNAL-TO-NOISE RATIO
vs. ANALOG INPUT FREQUENCY
MAX1195 toc06
ANALOG INPUT FREQUENCY (MHz)
SNR (dB)
160 120 80 40
46
47
48
49
50
45
0 200
CHA
CHB
TWO-TONE IMD PLOT (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1195 toc05
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
14 13 11 12 7 8 9 10 6
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
5 15
f IN1 f IN2
f CLK = 40.001536MHz
f IN1 = 10.024799MHz
f IN2 = 9.956437MHz
AIN = -7dB FS
COHERENT SAMPLING
TWO-TONE IMD PLOT (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1195 toc04
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
4.5 4.0 3.0 3.5 1.0 1.5 2.0 2.5 0.5
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
0 5.0
f IN1 f IN2
f CLK = 40.001536MHz
f IN1 = 1.997147MHz
f IN2 = 2.045977MHz
AIN = -7dB FS
COHERENT SAMPLING
FFT PLOT CHA (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1195 toc03
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
18 16 12 14 4 6 8 10 2
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
0 20
f INA
HD2
HD3
f INB
f CLK = 40.056789MHz
f INA = 115.0665837MHz
f
INB
= 99.9512724MHz
AIN = -1dB FS
COHERENT SAMPLING
FFT PLOT CHA (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1195 toc02
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
18 16 12 14 4 6 8 10 2
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
0 20
f INA
HD2 HD3 f INB
f CLK = 40.056789MHz
f INA = 7.4861992MHz
f
INB
= 19.9159303MHz
AIN = -1dB FS
COHERENT SAMPLING
FFT PLOT CHA (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1195 toc01
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
18 16 12 14 4 6 8 10 2
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
0 20
f INA
HD2 HD3 f INB
f CLK = 40.056789MHz
f INA = 1.0317361MHz
f
INB
= 7.4861992MHz
AIN = -1dB FS
COHERENT SAMPLING