MAX1444 Datasheet, PDF (9/20 Pages) Maxim Integrated Products – 10-Bit, 40Msps, 3.0V, Low-Power ADC with Internal Reference

10-Bit, 40Msps, 3.0V, Low-Power
ADC with Internal Reference
Typical Operating Characteristics (continued)
(V_DD = 3.0V, OV_DD = 2.7V, internal reference, differential input at -0.5dB FS, f_CLK = 40MHz, C_L ≈ 10pF, T_A = +25°C, unless other-
wise noted.)
DIGITAL SUPPLY CURRENT
vs. TEMPERATURE
5
f_IN = 7.51MHz
4
3
2
1
0
-40 -15
10
35
60
85
TEMPERATURE (°C)
SNR/SINAD, THD/SFDR
vs. CLOCK FREQUENCY (OVER-CLOCKING)
80
f_IN = 13.24MHz
SFDR
75
70
THD
65
SNR
60
55
SINAD
50
30
34
38
42
46
50
f_CLK (MHz)
ANALOG POWER-DOWN CURRENT
vs. ANALOG POWER SUPPLY
5.0
OE = OV_DD
PD = V_DD
4.5
4.0
3.5
3.0
2.5
2.0
2.70 2.85 3.00 3.15 3.30 3.45 3.60
V_DD (V)
INTERNAL REFERENCE VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
2.10
2.08
2.06
2.04
2.02
2.00
2.70 2.85 3.00 3.15 3.30 3.45 3.60
V_DD (V)
OUTPUT NOISE HISTOGRAM (DC INPUT)
70000
63000
64515
56000
49000
42000
35000
28000
21000
14000
7000
0
869
152
0
0
N-2 N-1
N
N+1 N+2
DIGITAL OUTPUT CODE
DIGITAL POWER-DOWN CURRENT
vs. DIGITAL POWER SUPPLY
10
PD = V_DD
OE = OV_DD
8
6
4
2
0
1.2
1.8
2.4
3.0
3.6
OV_DD (V)
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
2.10
2.08
2.06
2.04
2.02
2.00
-40 -15
10
35
60
85
TEMPERATURE (°C)
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