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THS1041 Datasheet, PDF (14/37 Pages) Texas Instruments – 10-Bit, 40-MSPS ANALOG-TO-DIGITAL CONVERTER WITH PGA AND CLAMP | |||
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THS1041
SLAS289B â OCTOBER 2001 â REVISED FEBRUARY 2002
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 â 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 â Sample Rate â MSPS
Figure 22
EFFECTIVE NUMBER OF BITS
vs
FREE-AIR TEMPERATURE
9.75
9.70
9.65
9.60
â2
9.55
9.50
â4
9.45
â6
Diff Input = 2 V,
9.40
fi = 4.4 MHz, â0.5 dBFS
Sample Rate = 40 MSPS
â8
10
100 300 500 700 900
fi â Input Frequency â MHz
1100
9.35
â40 â30 â20 â10 0 10 20 30 40 50 60 70 80
TA â Free-Air Temperature â °C
Figure 23
Figure 24
NOTE: No series resistors and no bypass capacitors at AIN+ and AINâ inputs
14
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