Rainbow Electronics MAX1181 - Manual (Page 8)

MAX1181
Dual 10-Bit, 80Msps, +3V, Low-Power ADC with
Internal Reference and Parallel Outputs
8 _______________________________________________________________________________________
50
60
80
70
90
100
2.70 3.00 2.85 3.15 3.30 3.45 3.60
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
MAX1181 toc22
V DD (V)
I VDD
(mA)
50
60
80
70
90
100
-40 10 -15 35 60 85
ANALOG SUPPLY CURRENT vs. TEMPERATURE
MAX11811 toc23
TEMPERATURE ( °C)
I VDD
(mA)
0
0.4
1.2
0.8
1.6
2.0
2.70 3.00 2.85 3.15 3.30 3.45 3.60
ANALOG POWER-DOWN CURRENT
vs. ANALOG POWER SUPPLY
MAX1181 toc24
V DD (V)
I VDD
(µ
A)
OE = PD = OV DD
50
55
60
65
70
75
80
30 40 35 45 50 55 60 65 70
SFDR, SNR, THD, SINAD
vs. CLOCK DUTY CYCLE
MAX1181 toc25
CLOCK DUTY CYCLE (%)
SFDR, SNR, THD, SINAD (dB)
SFDR
THD
SNR
SINAD
f INA = 24.9123MHz
f INB = 19.9123MHz
2.025
2.035
2.055
2.045
2.065
2.075
2.70 3.00 2.85 3.15 3.30 3.45 3.60
INTERNAL REFERENCE VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
MAX1181 toc26
V DD (V)
V
REFOUT
(V)
2.00
2.02
2.06
2.04
2.08
2.10
-40 10 -15 35 60 85
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
MAX11811 toc27
TEMPERATURE ( °C)
V
REFOUT
(V)
0
40000
20000
80000
60000
120000
100000
140000
N-1 N-2
0 965 730 0
129377
N N+1 N+2
OUTPUT NOISE HISTOGRAM (DC INPUT)
MAX1181 toc28
DIGITAL OUTPUT NOISE
COUNTS
Typical Operating Characteristics (continued)
(V DD = +3V, OV DD = +2.5V, internal reference, differential input at -0.5dB FS, f CLK = 80.0005678MHz, C L
≈ 10pF. T
A = +25°C,
unless otherwise noted.)