Rainbow Electronics MAX1427 - Manual (Page 7)

MAX1427
15-Bit, 80Msps ADC with -79.3dBFS
Noise Floor for Baseband Applications
_______________________________________________________________________________________ 7
TWO-TONE IMD PLOT (32,768-POINT
DATA RECORD, COHERENT SAMPLING)
MAX1427 toc19
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dBFS)
25 20 15 10 5
-100
-80
-60
-40
-20
0
-120
0 35 30 40
f CLK = 80.0195MHz
f IN1 = 10.0010MHz
f IN2 = 15.0010MHz
A IN1 = A IN2 = -7dBFS
2f IN1 - f IN2
2f IN2 - f IN1
f IN1
f
IN2
SFDR1/SFDR2 vs. TEMPERATURE
(f CLK = 80.0195MHz,
f IN = 15.0012MHz, A IN = -1dBFS)
MAX1427 toc15
TEMPERATURE (°C)
SFDR1/SFDR2 (dBc)
60 35 10 -15
80
85
90
95
100
75
-40 85
SFDR1
SFDR2
HD2/HD3 vs. TEMPERATURE
(f CLK = 80.0195MHz,
f IN = 15.0012MHz, A IN = -1dBFS)
MAX1427 toc16
TEMPERATURE (°C)
HD2/HD3 (dBc)
60 35 10 -15
-100
-95
-90
-85
-80
-110
-105
-40 85
HD2
HD3
POWER DISSIPATION vs. TEMPERATURE
(f CLK = 80.0195MHz,
f IN = 15.0012MHz, A IN = -1dBFS)
MAX1427 toc17
TEMPERATURE (°C)
POWER DISSIPATION (mW)
60 35 10 -15
1969
1973
1977
1981
1985
1965
-40 85
POWER DISSIPATION vs. SUPPLY VOLTAGE
(f
CLK
= 80.0195MHz,
f
IN
= 15.0012MHz, A
IN
= -1dBFS)
MAX1427 toc18
SUPPLY VOLTAGE (V)
POWER DISSIPATION (mW)
5.20 5.15 4.90 4.95 5.00 5.05 5.10
1850
1900
1950
2000
2050
2100
2150
2200
1800
4.85 5.25
Typical Operating Characteristics (continued)
(AV
CC
= 5V, DV
CC
= DRV
CC
= 2.5V, INP and INN driven differentially with a -1dBFS amplitude, CLKP and CLKN driven differentially
with a 2V P-P sinusoidal input signal, C L = 5pF at digital outputs, f CLK = 80MHz, T A = +25°C. All AC data based on a 32k-point FFT
record and under coherent sampling conditions.)