LTC1285 LINER [Linear Technology], LTC1285 Datasheet - Page 8

• Manufacturer Part Number: LTC1285
• Description: 3V Micropower Sampling 12-Bit A/D Converters in SO-8 Packages
• Manufacturer: LINER [Linear Technology]

LTC1285/LTC1288
BLOCK
TEST CIRCUITS
8
D
CLK
OUT
Voltage Waveforms for D
DIAGRAM
D
Load Circuit for t
OUT
V
IL
t
dDO
IN
IN
+
–
(CH0)
(CH1)
1.4V
W
3k
100pF
PIN NAMES IN PARENTHESES REFER TO THE LTC1288
OUT
dDO
, t
Delay Times, t
r
and t
TEST POINT
LTC1285/88 • TC01
C
SAMPLE
f
LTC1285/88 • TC03
GND
dDO
V
CC
V
V
SHUTDOWN CIRCUIT
OH
OL
(V
CC
–
+
BIAS AND
/ V
REF
)
CAPACITIVE DAC
MICROPOWER
COMPARATOR
(D
Voltage Waveforms for D
IN
V
D
)
REF
OUT
CS/SHDN
D
OUT
SERIAL PORT
TEST POINT
t
r
SAR
Load Circuit for t
CLK
100pF
LTC1285/88 • BD
3k
OUT
D
OUT
Rise and Fall Times, t
dis
and t
V
t
dis
CC
en
WAVEFORM 1
t
dis
WAVEFORM 2, t
t
LTC1285/88 • TC04
f
LTC1285/88 • TC02
r
, t
en
f
V
V
OH
OL