MAX1185(2001) View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX1185
(Rev.:2001)
(Rev.:2001)
Maxim Integrated
MAX1185 Datasheet PDF : 20 Pages
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Dual 10-Bit, 20Msps, +3V, Low-Power ADC with
Internal Reference and Multiplexed Parallel Outputs
Typical Operating Characteristics (continued)
(VDD = +3V, OVDD = +2.5V, VREFIN = +2.048V, differential input at -0.5dB FS, fCLK = 20.00057MHz, CL ≈ 10pF, TA = +25°C,
unless otherwise noted.)
OFFSET ERROR vs. TEMPERATURE
0.2
0.1
0
-0.1
CHB
-0.2
-0.3
CHA
-0.4
-40 -15 10
35
60
85
TEMPERATURE (°C)
ANALOG POWER-DOWN CURRENT vs.
ANALOG POWER SUPPLY
0.25
OE = PD = OVDD
0.20
ANALOG SUPPLY CURRENT vs.
ANALOG SUPPLY VOLTAGE
38
ANALOG SUPPLY CURRENT vs.
TEMPERATURE
38
37
36
36
34
35
32
34
30
33
2.70 2.85 3.00 3.15 3.30 3.45 3.60
VDD (V)
SFDR, SNR, THD, SINAD vs.
CLOCK DUTY CTCLE
80
fIN = 7.5343935MHz
SFDR
74
28
-40 -15
10 35
60
85
TEMPERATURE (°C)
2.0100
INTERNAL REFERENCE VOLTAGE vs.
ANALOG SUPPLY VOLTAGE
2.0080
0.15
68
THD
2.0060
SNR
0.10
62
2.0040
0.05
56
SINAD
2.0020
0
2.70 2.85 3.00 3.15 3.30 3.45 3.60
VDD (V)
50
30
40
50
60
70
80
CLOCK DUTY CYCLE (%)
2.0000
2.70 2.85 3.00 3.15 3.30 3.45 3.60
VDD (V)
INTERNAL REFERENCE VOLTAGE vs.
TEMPERATURE
2.014
2.010
2.006
2.002
1.998
1.994
-40 -15 10
35
60
85
TEMPERATURE (°C)
OUTPUT NOISE HISTOGRAM (DC INPUT)
70,000
63,000
64,515
56,000
49,000
42,000
35,000
28,000
21,000
14,000
7,000
0
0 869
152 0
N-2 N-1 N
N+1 N+2
DIGITAL OUTPUT CODE
8 _______________________________________________________________________________________
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