Datasheet

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−200
−180
−160
−140
−120
−100
−80
−60
−40
−20
0
20
0 50 100 150 200 250 300
Amplitude − dB
+VA = 5 V,
+VBD = 5 V,
f
s
= 600 KSPS,
f
i
= 10 kHz,
REFIN = 4.096 V,
T
A
= 25°C
Frequency − kHz
SOC
BUSY=0 −> 1
Wait
BUSY=0
Sample
BUSY=0
NAP
BUSY=0
EOC
BUSY= 1−>0
Power
On
BUSY=0
CS = 0 and CONVST = 1
CS = 0 and CONVST = 1
Back to Back Cycle
CS = 0 and CONVST = 1
Falling Edge of
CONVST_QUAL
and BUSY = 1
Abort
CONVST_QUAL = 0
CONVST_QUAL = 1
and CS = 1
Falling Edge of CONVST_QUAL
CONVERSION
+VA and +VBD Reach Operation Range
and PD = 0
ADS8382
SLAS416B – JUNE 2004 – REVISED NOVEMBER 2004
TYPICAL CHARACTERISTICS (continued)
FFT (10 kHz Input)
Figure 39.
A. EOC = End of conversion, SOC = Start of conversion, CONVST_QUAL is CONVST latched by CS = 0, see
Figure 41 .
Figure 40. Device States and Ideal Transitions
15