LTC1289 Linear Technology, LTC1289 Datasheet - Page 8

• Manufacturer Part Number: LTC1289
• Description: 3 Volt Single Chip 12-Bit Data Acquisition System
• Manufacturer: Linear Technology

LTC1289
8
TEST CIRCUITS
3V
On and Off Channel Leakage Current
POLARITY
Load Circuit for t
D
WAVEFORM 1
WAVEFORM 2
OUT
(SEE NOTE 2)
(SEE NOTE 1)
D
ACLK
D
I
I
OUT
ON
OFF
OUT
A
A
CS
1.5V
NOTE 1: WAVEFORM 1 IS FOR AN OUTPUT WITH CONDITIONS SUCH THAT THE OUTPUT IS HIGH
UNLESS DISABLED BY THE OUTPUT CONTROL.
NOTE 2: WAVEFORM 2 IS FOR AN OUTPUT WITH INTERNAL CONDITIONS SUCH THAT THE OUTPUT
IS LOW UNLESS DISABLED BY THE OUTPUT CONTROL.
3k
100pF
dDO
, t
r
and t
ON CHANNEL
OFF
CHANNELS
TEST POINT
LTC1289 TC02
f
D
OUT
LTC1283 TC01
Voltage Waveforms for t
TEST POINT
1
t
en
Load Circuit for t
100pF
3k
2
2.1V
0.6V
dis
D
en
and t
SCLK
D
Voltage Waveforms for D
OUT
OUT
and t
3V t
t
dis
t
Voltage Waveforms for D
r
en
dis
WAVEFORM 1
dis
WAVEFORM 2, t
LTC1289 TC05
0.45V
t
dis
t
dDO
en
OUT
2.1V
OUT
Rise and Fall Times, t
90%
10%
LTC1289 TC06
Delay Time, t
dDO
LTC1289 TC03
t
f
2.1V
0.6V
LTC1289 TC04
r
,t
f
2.1V
0.6V