LTC1291 Linear Technology, LTC1291 Datasheet - Page 16

• Manufacturer Part Number: LTC1291
• Description: Single Chip 12-Bit Data Acquisition System
• Manufacturer: Linear Technology

LTC1291
A
16
Figure 10. Adequate Settling of Op Amp Driving Analog Input
PPLICATI
(–) INPUT
(+) INPUT
D
CLK
OUT
D
CS
IN
O
U
HORIZONTAL: 500ns/DIV
S
I FOR ATIO
U
START
W
HI-Z
Figure 9. “+” and “–” Input Settling Windows
SGL/
DIFF
U
SAMPLE
ODD/
SIGN
“+” INPUT MUST SETTLE DURING THIS TIME
Figure 11. Poor Op Amp Settling Can Cause A/D Errors
(Note Horizontal Scale)
MSBF
1ST BIT TEST “–” INPUT MUST
t
SETTLE DURING THIS TIME
SMPL
PS
HORIZONTAL: 20 s/DIV
HOLD
LTC1291 F09
B11