Datasheet

TLV571
2.7 V TO 5.5 V, 1-CHANNEL, 8-BIT,
PARALLEL ANALOG-TO-DIGITAL CONVERTER
SLAS239A – SEPTEMBER 1999 – REVISED FEBRUARY 2000
18
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, supply
voltages, and reference voltages (unless otherwise noted) (continued)
ac specifications, AV
DD
= DV
DD
= 5 V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Signal to noise ratio SNR
f
I
= 100 kHz,
f
s
= 1.25 MSPS, AV
DD
= 5 V 47 49 dB
Signal
-
to
-
noise
ratio
,
SNR
I
,
80% of FS
f
s
= 625 KSPS, AV
DD
= 3 V 47 49 dB
Signal to noise ratio + distortion SINAD
f
I
= 100 kHz,
f
s
= 1.25 MSPS, AV
DD
= 5 V 47 49 dB
Signal
-
to
-
noise
ratio
+
distortion
,
SINAD
I
,
80% of FS
f
s
= 625 KSPS, AV
DD
= 3 V 47 49 dB
Total harmonic distortion THD
f
I
= 100 kHz,
f
s
= 1.25 MSPS, AV
DD
= 5 V –64 –52 dB
Total
harmonic
distortion
,
THD
I
,
80% of FS
f
s
= 625 KSPS, AV
DD
= 3 V –62 –52 dB
Effective number of bits ENOB
f
I
= 100 kHz,
f
s
= 1.25 MSPS, AV
DD
= 5 V 7.5 7.9 Bits
Effecti
v
e
n
u
mber
of
bits
,
ENOB
I
,
80% of FS
f
s
= 625 KSPS, AV
DD
= 3 V 7.5 7.9 Bits
S
p
urious free dynamic range SFDR
f
I
= 100 kHz,
f
s
= 1.25 MSPS, AV
DD
= 5 V –65 –51 dB
Sp
u
rio
u
s
free
d
y
namic
range
,
SFDR
I
,
80% of FS
f
s
= 625 KSPS, AV
DD
= 3 V –64 –51 dB
Analog input
Full
p
ower bandwidth
–1 dB Full-scale 0 dB input sine wave 12 18 MHz
F
u
ll
-
po
w
er
band
w
idth
–3 dB Full-scale 0 dB input sine wave 30 MHz
Small-signal bandwidth
–1 dB –20 dB input sine wave 15 20 MHz
Small
-
signal
bandwidth
–3 dB –20 dB input sine wave 35 MHz
Sam
p
ling rate f
s
AV
DD
= 4.5 V to 5.5 V 0.0625 1.25 MSPS
Sam ling
rate
,
f
s
AV
DD
= 2.7 V to 3.3 V 0.0625 0.625 MSPS