Typical operating characteristics (continued) – Rainbow Electronics MAX1181 User 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.)