Datasheet

TLC0820AC, TLC0820AI
Advanced LinCMOS HIGH-SPEED 8-BIT ANALOG-TO-DIGITAL
CONVERTERS USING MODIFIED FLASH TECHNIQUES
SLAS064A – SEPTEMBER 1986 – REVISED JUNE 1994
2–6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
operating characteristics, V
CC
= 5 V, V
ref+
= 5 V, V
ref–
= 0, t
r
= t
f
= 20 ns, T
A
= 25°C (unless otherwise
noted)
PARAMETER TEST CONDITIONS
†
MIN TYP MAX UNIT
k
SVS
Supply-voltage sensitivity V
CC
= 5 V ± 5%, T
A
= MIN to MAX ±1/16 ±1/4 LSB
Total unadjusted error
‡
MODE at 0 V, T
A
= MIN to MAX 1 LSB
t
conv(R)
Conversion time, read mode MODE at 0 V, See Figure 1 1.6 2.5 µs
t
a(R)
Access time, RD↓ to data valid
MODE at 0 V, See Figure 1
t
conv(R)
+20
t
conv(R)
+50
ns
t
(R1)
Access time RD↓ to data valid
MODE at 5 V,
t
d(WR)
<t
d(i )
C
L
= 15 pF 190 280
ns
t
a(R1)
A
ccess
ti
me,
RD↓ t
o
d
a
t
a va
lid
t
d(WR)
<
t
d(int)
,
See Figure 2
C
L
= 100 pF 210 320
ns
t
(R2)
Access time RD↓ to data valid
MODE at 5 V,
t
d(WR)
>t
d(i )
C
L
= 15 pF 70 120
ns
t
a(R2)
A
ccess
ti
me,
RD↓ t
o
d
a
t
a va
lid
t
d(WR)
>
t
d(int)
,
See Figure 3
C
L
= 100 pF 90 150
ns
t
a(INT)
Access time, INT↓ to data valid MODE at 5 V, See Figure 4 20 50 ns
t
dis
Disable time RD↑ to data valid
R
L
= 1 kΩ, C
L
= 10 pF,
70
95
ns
t
di
s
Disable
time
,
RD↑ to
data
valid
See Figures 1, 2, 3, and 5
70
95
ns
t
d(int)
Delay time WR/RDY↑ to INT↓
MODE at 5 V, C
L
= 50 pF,
800
1300
ns
t
d(i
n
t)
Delay
time
,
WR/RDY↑
to
INT↓
See Figures 2, 3, and 4
800
1300
ns
t
d(NC)
Delay time, to next conversion See Figures 1, 2, 3, and 4 500 ns
t
d(WR)
Delay time, WR/RDY↑ to RD↓ in
write-read mode
See Figure 2 0.4 µs
t
d(RDY)
Delay time CS↓ to WR/RDY↓
MODE at 0 V, C
L
= 50 pF,
50
100
ns
t
d(RDY)
Delay
time
,
CS↓
to
WR/RDY↓
See Figure 1
50
100
ns
t
d(RIH)
Delay time, RD↑ to INT↑
C
L
= 50 pF, See Figures 1, 2, and 3 125 225 ns
t
d(RIL)
Delay time RD↓ to INT↓
MODE at 5 V, t
d(WR)
< t
d(int)
,
200
290
ns
t
d(RIL)
Delay
time
,
RD↓
to
INT↓
See Figure 2
200
290
ns
t
d(WIH)
Delay time WR/RDY↑ to INT↑
MODE at 5 V, C
L
= 50 pF,
175
270
ns
t
d(WIH)
Delay
time
,
WR/RDY↑
to
INT↑
See Figure 4
175
270
ns
Slew-rate tracking 0.1 V/µs
†
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
‡
Total unadjusted error includes offset, full-scale, and linearity errors.