LTC1419 LINER [Linear Technology], LTC1419 Datasheet - Page 4

• Manufacturer Part Number: LTC1419
• Description: 14-Bit, 800ksps Sampling A/D Converter with Shutdown
• Manufacturer: LINER [Linear Technology]

POWER REQUIRE E TS
LTC1419
TI I G CHARACTERISTICS
SYMBOL
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
The
temperature range; all other limits and typicals T
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: All voltage values are with respect to ground with DGND and
AGND wired together unless otherwise noted.
Note 3: When these pin voltages are taken below V
will be clamped by internal diodes. This product can handle input currents
greater than 100mA below V
Note 4: When these pin voltages are taken below V
by internal diodes. This product can handle input currents greater than
100mA below V
to V
Note 5: V
specified.
4
SYMBOL PARAMETER
P
SAMPLE(MAX)
CONV
ACQ
ACQ + CONV
1
2
3
4
5
6
7
8
9
10
11
12
13
DIS
W U
DD
.
denotes specifications which apply over the full operating
DD
Power Dissipation
= 5V, f
Nap Mode
Sleep Mode
SS
PARAMETER
Maximum Sampling Frequency
Conversion Time
Acquisition Time
Acquisition + Conversion Time
CS to RD Setup Time
CS to CONVST Setup Time
CS to SHDN Setup Time
SHDN to CONVST Wake-Up Time (Note 10)
CONVST Low Time
CONVST to BUSY Delay
Data Ready Before BUSY
Delay Between Conversions
Wait Time RD After BUSY
Data Access Time After RD
Bus Relinquish Time
RD Low Time
CONVST High Time
without latchup. These pins are not clamped
SAMPLE
= 800kHz, t
SS
or above V
r
= t
W U
DD
f
= 5ns unless otherwise
without latchup.
A
= 25 C.
SS
SS
, they will be clamped
or above V
CONDITIONS
(Notes 9, 10)
(Notes 9, 10)
(Notes 9, 10)
(Notes 10, 11)
C
(Note 10)
C
C
0 C T
– 40 C T
CONDITIONS
SHDN = 0V, CS = 0V
SHDN = 0V, CS = 5V
L
L
L
(Note 5)
= 25pF
= 25pF
= 100pF
(Note 5)
A
DD
A
70 C
, they
85 C
Note 6: Linearity, offset and full-scale specifications apply for a single-
ended +A
Note 7: Integral nonlinearity is defined as the deviation of a code from a
straight line passing through the actual endpoints of the transfer curve.
The deviation is measured from the center of the quantization band.
Note 8: Bipolar offset is the offset voltage measured from – 0.5LSB
when the output code flickers between 0000 0000 0000 00 and
1111 1111 1111 11.
Note 9: Guaranteed by design, not subject to test.
Note 10: Recommended operating conditions.
Note 11: The falling edge of CONVST starts a conversion. If CONVST
returns high at a critical point during the conversion it can create small
errors. For best performance ensure that CONVST returns high either
within 650ns after the start of the conversion or after BUSY rises.
IN
input with – A
IN
grounded.
MIN
MIN
800
– 5
t
40
40
40
20
15
40
40
0
10
1040
TYP
950
400
TYP
150
90
20
50
15
20
10
7.5
1.2
MAX
1150
1250
MAX
300
240
50
25
35
35
50
20
25
30
12
UNITS
UNITS
mW
mW
mW
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns