LTC1864 LINER [Linear Technology], LTC1864 Datasheet - Page 4

• Manufacturer Part Number: LTC1864
• Description: ?Power, 16-Bit, 250ksps 1- and 2-Channel ADCs in MSOP
• Manufacturer: LINER [Linear Technology]

LTC1864/LTC1865
RECO
full operating temperature range, otherwise specifications are T
SYMBOL PARAMETER
V
f
t
t
t
t
t
t
t
t
t
t
TI I G CHARACTERISTICS
range, otherwise specifications are T
Conditions, unless otherwise noted.
SYMBOL
t
f
t
t
t
t
t
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 GND.
4
SCK
CYC
SMPL
suCONV
hDI
suDI
WHCLK
WLCLK
WHCONV
WLCONV
hCONV
CONV
SMPL(MAX)
dDO
dis
en
hDO
r
f
CC
W
U
Supply Voltage
Clock Frequency
Total Cycle Time
Analog Input Sampling Time
Setup Time CONV↓ Before First SCK↑
(See Figure 1)
Hold Time SDI After SCK↑
Setup Time SDI Stable Before SCK↑
SCK High Time
SCK Low Time
CONV High Time Between Data
Transfer Cycles
CONV Low Time During Data Transfer
Hold Time CONV Low After Last SCK↑
W W
PARAMETER
Conversion Time (See Figure 1)
Maximum Sampling Frequency
Delay Time, SCK↓ to SDO Data Valid
Delay Time, CONV↑ to SDO Hi-Z
Delay Time, CONV↓ to SDO Enabled
Time Output Data Remains
Valid After SCK↓
SDO Rise Time
SDO Fall Time
E DED OPERATI G CO DITIO S
U
A
= 25°C. V
CC
U
CONDITIONS
LTC1864
LTC1865
LTC1865
LTC1865
f
f
The
CONDITIONS
C
C
C
C
C
= 5V, V
SCK
SCK
LOAD
LOAD
LOAD
LOAD
LOAD
= f
= f
●
= 20pF
= 20pF
= 20pF
= 20pF
= 20pF
SCK(MAX)
SCK(MAX)
denotes specifications which apply over the full operating temperature
REF
= 5V, f
U
A
= 25°C.
SCK
Note 3: Integral nonlinearity is defined as 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 4: Channel leakage current is measured while the part is in sample
mode.
= f
SCK(MAX)
U
The
as defined in Recommended Operating
●
denotes specifications which apply over the
●
●
●
●
●
●
●
16 • SCK + t
t
4.75
40%
40%
MIN
CONV
MIN
250
DC
16
14
30
15
15
16
13
5
LTC1864/LTC1865
LTC1864/LTC1865
TYP
CONV
2.75
TYP
15
30
30
10
8
4
MAX
5.25
MAX
20
3.2
20
25
60
60
sn18645 18645fs
UNITS
1/f
1/f
UNITS
MHz
SCK
SCK
SCK
SCK
SCK
kHz
µs
ns
ns
ns
µs
ns
µs
ns
ns
ns
ns
ns
ns
ns
V