THS1040_15 Datasheet, PDF (11/33 Pages) Texas Instruments – CMOS ANALOG-TO-DIGITAL CONVERTER

Not Recommended For New Designs
THS1040
SLAS290C − OCTOBER 2001 − REVISED OCTOBER 2004
TYPICAL CHARACTERISTICS
POWER DISSIPATION
vs
SAMPLE RATE
TOTAL CURRENT
vs
CLOCK FREQUENCY
AVDD = 3 V,
Vref = 1 V
110
Int. Ref
TA = 25°C
36
AVDD = 3 V
Vref = 1 V
34
Int. Ref
TA = 25°C
32
Ext. Ref
TA = 25°C
90
70
4 8 12 16 20 24 28 32 36 40 44
fs − Sample Rate − MSPS
Figure 13
30
28
Ext. Ref
26
TA = 25°C
24
0 5 10 15 20 25 30 35 40 45
fclk − Clock Frequency − MHz
Figure 14
INPUT BANDWIDTH
4
AVDD = 3 V
DVDD = 3 V
2 ^{fs = 40 MSPS}
0
−2
−4
−6
−8
10
See Note
100 300 500 700 900
fi − Input Frequency − MHz
Figure 15
NOTE: No series resistors and no bypass capacitors at AIN+ and AIN− inputs.
1100
www.ti.com
11