THS1041_15 Datasheet, PDF (14/42 Pages) Texas Instruments – 10-Bit, 40-MSPS ANALOG-TO-DIGITAL CONVERTER WITH PGA AND CLAMP

THS1041
SLAS289C − 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
1.2
Vrefb
0.8
POWER DISSIPATION
vs
SAMPLE RATE
AVDD = 3 V,
Vref = 1 V
110
Int. Ref
TA = 25°C
Ext. Ref
TA = 25°C
90
0.4
0
Powerup Time − µs
Figure 21
INPUT BANDWIDTH
4
AVDD = 3 V
DVDD = 3 V
2 ^{fs = 40 MSPS}
See Note
0
70
4 8 12 16 20 24 28 32 36 40 44
fs − Sample Rate − MSPS
Figure 22
EFFECTIVE NUMBER OF BITS
vs
FREE-AIR TEMPERATURE
9.75
9.70
9.65
9.60
−2
9.55
9.50
−4
−6
−8
10
100 300 500 700 900
fi − Input Frequency − MHz
1100
9.45
Diff Input = 2 V,
9.40
fi = 4.4 MHz, −0.5 dBFS
fS = 40 MSPS
9.35
−40 −30 −20 −10 0 10 20 30 40 50 60 70 80
TA − Free-Air Temperature − °C
Figure 23
Figure 24
NOTE: No series resistors and no bypass capacitors at AIN+ and AIN− inputs
14
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