Datasheet

MAX1184
Dual 10-Bit, 20Msps, 3V, Low-Power ADC with
Internal Reference and Parallel Outputs
8 _______________________________________________________________________________________
-0.4
-0.2
-0.3
0
-0.1
0.1
-40 85
OFFSET ERROR vs. TEMPERATURE
MAX1184 toc19
TEMPERATURE (
°
C)
OFFSET ERROR (%FS)
10-15 35 60
CHB
CHA
31
32
34
33
35
36
2.70 3.002.85 3.15 3.30 3.45 3.60
ANALOG SUPPLY CURRENT vs.
ANALOG SUPPLY VOLTAGE
MAX1184 toc20
V
DD
(V)
I
VDD
(mA)
28
30
34
32
36
38
-40 10-15 35 60 85
ANALOG SUPPLY CURRENT vs.
TEMPERATURE
MAX1184 toc21
TEMPERATURE (
°
C)
I
VDD
(mA)
0
0.04
0.12
0.08
0.16
0.20
2.70 3.002.85 3.15 3.30 3.45 3.60
ANALOG POWER-DOWN CURRENT
vs. ANALOG SUPPLY VOLTAGE
MAX1184 toc22
V
DD
(V)
I
VDD
(µA)
OE = PD = OV
DD
50
56
68
62
74
80
35 40 45 50 55 60 65
SNR/SINAD, -THD/SFDR vs.
CLOCK DUTY CYCLE
MAX1184 toc23
CLOCK DUTY CYCLE (%)
SNR/SINAD, -THD/SFDR (dB, dBc)
SFDR
f
INA/B
= 7.5344MHz
-THD
SNR
SINAD
2.0040
2.0050
2.0070
2.0060
2.0080
2.0090
2.70 3.002.85 3.15 3.30 3.45 3.60
INTERNAL REFERENCE VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
MAX1184 toc24
V
DD
(V)
V
REFOUT
(V)
Typical Operating Characteristics (continued)
(V
DD
= 3V, OV
DD
= 2.5V, V
REFIN
= 2.048V, differential input at -0.5dBFS, f
CLK
= 20MHz, C
L
≈ 10pF, T
A
= +25°C, unless otherwise noted.)