lt1293 Linear Technology Corporation, lt1293 Datasheet - Page 8

• Manufacturer Part Number: lt1293
• Description: Single Chip 12-bit Data Acquisition System
• Manufacturer: Linear Technology Corporation

LTC1293/LTC1294/LTC1296
8
BLOCK
TEST CIRCUITS
D
OUT
I D AGRA
TEST POINT
AV
DV
D
Load Circuit for t
D
OUT
CC
CC
IN
Load Circuit for t
COM
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
100pF
3k
20
19
15
1
2
3
4
5
6
7
8
9
DGND
1.4V
10
INPUT MUX
W
REGISTER
ANALOG
INPUT
SHIFT
3kΩ
100pF
dDO
(Pin numbers refer to LTC1294)
dis
V
, t
–
11
and t
r
and t
5V t
t
dis
TEST POINT
en
LTC1293 TC02
dis
WAVEFORM 1
f
WAVEFORM 2, t
SAMPLE
HOLD
AND
LTC1293 TC05
AGND
en
12
COMP
REF
CAPACITIVE
13
12-BIT
–
DAC
5V
REF
On and Off Channel Leakage Current
Load Circuit for t
14
LT1296
+
POLARITY
SSO
I
I
ON
CONTROL
OFF
REGISTER
A
A
OUTPUT
TIMING
12-BIT
SHIFT
AND
SAR
1.4V
enSSO
3kΩ
100pF
and t
LTC1293 BD
18
16
17
ON CHANNEL
disSSO
OFF
CHANNELS
CLK
CS
TEST POINT
D
OUT
LTC1293 TC08
LTC1293 TC1
129346fs