MAX1182 Datasheet, PDF (6/21 Pages) Maxim Integrated Products – Dual 10-Bit, 65Msps, +3V, Low-Power ADC with Internal Reference and Parallel Outputs

Dual 10-Bit, 65Msps, +3V, Low-Power ADC with
Internal Reference and Parallel Outputs
Typical Operating Characteristics
(V_DD = +3V, OV_DD = +2.5V, internal reference, differential input at -0.5dB FS, f_CLK = 65MHz, C_L ≈ 10pF, T_A = +25°C, unless otherwise
noted.)
FFT PLOT CHA (8192-POINT RECORD,
DIFFERENTIAL INPUT)
0
-10
CHA
f_INA = 6.0065MHz
f_INB = 7.51410MHz
-20
f_CLK = 65.00057MHz
AINA = -0.55dB FS
-30
-40
-50
-60
-70
-80
-90
-100
0
5 10 15 20 25 30 35
ANALOG INPUT FREQUENCY (MHz)
FFT PLOT CHB (8192-POINT RECORD,
DIFFERENTIAL INPUT)
0
-10
f_INA = 20.08257MHz
f_INB = 25.09727MHz
CHB
-20 f_CLK = 65.00057MHz
-30 ^{AINB = -0.52dB FS}
-40
-50
-60
-70
-80
-90
-100
0
5 10 15 20 25 30 35
ANALOG INPUT FREQUENCY (MHz)
TWO-TONE IMD PLOT (8192-POINT RECORD,
DIFFERENTIAL INPUT)
0
-10
f_IN1 = 19.13042MHz
f_IN2 = 21.28864MHz
-20 ^fCLK ^{= 65.00057MHz}
f_IN1
AIN = -6.5dB FS
-30 _{TWO-TONE ENVELOPE}
-40 ^{= -0.47dB FS}
f_IN2
-50
3rd ORDER IMD
-60
2nd ORDER IMD
-70
-80
-90
-100
0
5 10 15 20 25 30 35
ANALOG INPUT FREQUENCY (MHz)
FFT PLOT CHB (8192-POINT RECORD,
DIFFERENTIAL INPUT)
0
-10
CHB
f_INA = 6.0065MHz
f_INB = 7.51410MHz
-20
f_CLK = 65.00057MHz
AINB = -0.56dB FS
-30
-40
-50
-60
-70
-80
-90
-100
0
5 10 15 20 25 30 35
ANALOG INPUT FREQUENCY (MHz)
FFT PLOT CHA (8192-POINT RECORD,
DIFFERENTIAL INPUT)
0
-10 ^{fINA = 37.31661MHz}
CHA
f_INB = 46.99687MHz
-20 f_CLK = 65.00057MHz
-30 ^{AINB = -0.52dB FS}
-40
-50
-60
-70
-80
-90
-100
0
5 10 15 20 25 30 35
ANALOG INPUT FREQUENCY (MHz)
SIGNAL-TO-NOISE RATIO
vs. ANALOG INPUT FREQUENCY
61
DIFFERENTIAL INPUT CONFIGURATION
60
CHB
59
CHA
58
57
56
55
1
10
100
ANALOG INPUT FREQUENCY (MHz)
FFT PLOT CHA (8192-POINT RECORD,
DIFFERENTIAL INPUT)
0
-10 ^{fINA = 20.08257MHz}
CHA
f_INB = 25.09727MHz
-20 f_CLK = 65.00057MHz
-30 ^{AINB = -0.52dB FS}
-40
-50
-60
-70
-80
-90
-100
0
5 10 15 20 25 30 35
ANALOG INPUT FREQUENCY (MHz)
FFT PLOT CHB (8192-POINT RECORD,
DIFFERENTIAL INPUT)
0
-10
f_INA = 37.31661MHz
f_INB = 46.99687MHz
CHB
-20 ^fCLK ^{= 65.00057MHz}
AINB = -0.49dB FS
-30
-40
-50
-60
-70
-80
-90
-100
0
5 10 15 20 25 30 35
ANALOG INPUT FREQUENCY (MHz)
SIGNAL-TO-NOISE + DISTORTION
vs. ANALOG INPUT FREQUENCY
62
DIFFERENTIAL INPUT CONFIGURATION
CHB
60
CHA
58
56
54
1
10
100
ANALOG INPUT FREQUENCY (MHz)
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