THS1040
SLAS290C OCTOBER 2001 REVISED OCTOBER 2004
12
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TYPICAL CHARACTERISTICS
Figure 16
0
0.4
0.8
1.2
1.6
2
2.4
0
90
180
270
360
450
540
630
720
810
900
990
1080
1
170
Vreft
Vrefb
Vref = 1 V, Reft = 10 F,
Refb = 10
F, AVDD = 3 V
Reft,
Refb
Reference
V
o
ltage
V
POWER-UP TIME FOR INTERNAL
REFERENCE VOLTAGE FROM STANDBY
Power-Up Time
s
Figure 17
90
95
100
105
110
115
120
125
ADC
Codes
ADC CODES
vs
WAKE-UP SETTLING TIME
Wake-Up Settling Time
s
MODE = AGND,
fS = 40 MSPS,
Ext. REF = 1 V and 2 V,
AVDD = 3 V
See Note
10
5
20
35
50
65
80
95
110