User Manual

MAX1183
Dual 10-Bit, 40Msps, +3V, Low-Power ADC with
Internal Reference and Parallel Outputs
8 _______________________________________________________________________________________
0
0.1
0.3
0.2
0.4
0.5
2.70 3.002.85 3.15 3.30 3.45 3.60
ANALOG POWER-DOWN CURRENT vs.
ANALOG POWER SUPPLY
MAX1183 toc22
V
DD
(V)
I
VDD
(µA)
OE = PD = OV
DD
40
50
70
60
80
90
25 4535 55 65 75
SFDR, SNR, THD, SINAD vs.
CLOCK DUTY CTCLE
MAX1183 toc23
CLOCK DUTY CYCLE (%)
SFDR, SNR, THD, SINAD (dB)
f
IN
= 7.5342866MHz
SFDR
THD
SNR
SINAD
1.9990
1.9996
2.0008
2.0002
2.0014
2.0020
2.70 3.002.85 3.15 3.30 3.45 3.60
INTERNAL REFERENCE VOLTAGE vs.
ANALOG SUPPLY VOLTAGE
MAX1183 toc24
V
DD
(V)
V
REFOUT
(V)
1.980
1.990
1.985
2.000
1.995
2.005
2.010
-40 85
INTERNAL REFERENCE VOLTAGE vs.
TEMPERATURE
MAX1183 toc25
TEMPERATURE (°C)
V
REFOUT
(V)
10-15 35 60
0
21,000
14,000
7,000
28,000
35,000
42,000
49,000
56,000
63,000
70,000
OUTPUT NOISE HISTOGRAM (DC INPUT)
MAX1183 toc26
DIGITAL OUTPUT CODE
COUNTS
64,515
N
869
N-1
152
N+1
0
N+2
0
N-2
Typical Operating Characteristics (continued)
(V
DD
= +3V, OV
DD
= +2.5V, V
REFIN
= +2.048V, differential input at -0.5dB FS, f
CLK
= 40.0006MHz, C
L
≈ 10pF, T
A
= +25°C, unless
otherwise noted.)