THS1040_15 Datasheet, PDF (12/33 Pages) Texas Instruments – CMOS ANALOG-TO-DIGITAL CONVERTER

THS1040
Not Recommended For New Designs
SLAS290C − OCTOBER 2001 − REVISED OCTOBER 2004
TYPICAL CHARACTERISTICS
POWER-UP TIME FOR INTERNAL
REFERENCE VOLTAGE FROM STANDBY
2.4
Vref = 1 V, Reft = 10 µF,
Refb = 10 µF, AVDD = 3 V
2
Vreft
1.6
ADC CODES
vs
WAKE-UP SETTLING TIME
125
MODE = AGND,
120
fS = 40 MSPS,
Ext. REF = 1 V and 2 V,
AVDD = 3 V
115
110
1.2
Vrefb
105
0.8
100
0.4
0
Power-Up Time − µs
Figure 16
95
90
−10 5
See Note
20 35 50 65 80 95 110
Wake-Up Settling Time − µs
Figure 17
12
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