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ADS7866 View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
ADS7866 1.2-V, 12-/10-/8-BIT, 200-KSPS/100-KSPS, MICRO-POWER, MINIATURE ANALOG-TO-DIGITAL CONVERTER WITH SERIAL INTERFACE TI
Texas Instruments TI
ADS7866 Datasheet PDF : 28 Pages
First Prev 11 12 13 14 15 16 17 18 19 20 Next Last
www.ti.com
TYPICAL CHARACTERISTICS ADS7867
0
−10
VDD = 1.2 V,
fSAMPLE = 100 KSPS,
−20 fi = 30 kHz,
−30 SNR = 60.419 dB,
−40
SINAD = 59.877 dB,
THD (9) = −69.181 dB,
−50 SFDR = 73.682 dB
−60
−70
FFT (8192 Points)
−80
−90
−100
0
5
10
15
20
25
30
35
40
fi − Input Frequency − kHz
Figure 19.
0
−10
−20
VDD = 1.6 V,
fSAMPLE = 200 KSPS,
fi = 30 kHz,
−30 SNR = 61.173 dB,
−40
SINAD = 61.128 dB,
THD (9) = −80.986 dB,
−50 SFDR = 83.468 dB
−60
FFT (8192 Points)
−70
−80
−90
−100
0
10
20
30
40
50
60
70
80
fi − Input Frequency − kHz
Figure 20.
ADS7866
ADS7867
ADS7868
SLAS465 – JUNE 2005
45
50
90
100
THROUGHPUT RATE
vs
SUPPLY VOLTAGE
275
250
225
200
175
150
1.2
10-Bit NMC, TA = 25°C,
tSAMPLE = 2.375/fSCLK,
tDIS(EOC-SDOZ)+tSU(LSBZ-CSF) = 0.375/fSCLK,
Throughput Rate = 14 SCLK Cycles
1.4
1.6
1.8
VDD − Supply Voltage − V
Figure 21.
THROUGHPUT RATE
vs
SUPPLY VOLTAGE
450
425
400
375
350
325
300
10-Bit NMC, TA = 25°C,
tSAMPLE = 2.25/fSCLK,
275
tDIS(EOC-SDOZ)+tSU(LSBZ-CSF) = 0.25/fSCLK,
Throughput Rate = 14 SCLK Cycles
250
1.6 1.8 2 2.2 2.4 2.6 2.8 3 3.2 3.4 3.6
VDD − Supply Voltage − V
Figure 22.
15
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