FX029 データシートの表示（PDF） - CML Microsystems Plc
部品番号
コンポーネント説明
メーカー
FX029 Datasheet PDF : 6 Pages
| |||
Application Information
External Components
SERIAL CLOCK
SERIAL DATA
VDD
VDD
1
16
2
15
C7
VSS
IN 3
LOAD/LATCH
3
OUT 3
14
IN 1A
IN 1B
C1
4
13
C2
FX029
5
DW/J
12
OUT 1A
OUT 1B
IN 2A
IN 2B
C3
6
C4
7
VSS
8
11
C5
10
VBIAS
9
OUT 2
IN 1C
VSS
Fig.2 Recommended External Components
Component Recommendations
Component
Value
C1
C2
C3
C
4
C5
C6
C
7
Tolerances 20%
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
Not Used
1.0µF
Input capacitors C1 to C5 are only required for ac
input signals; dc input signals do not require these
components.
The gain of the uncommitted stage (3) is set by
external components employed around the input and
output pins (see Specification page).
Application Recommendations
To avoid noise and instability the following practices
are recommended:
(a) Use a clean, well-regulated power supply.
(b) Keep tracks short.
(c) Inputs and outputs should be shielded wherever
possible.
(d) Analogue tracks should not run parallel to digital
tracks.
(e) A “Ground Plane” connected to VSSwill assist in
eliminating external pick-up on the channel input
and output pins.
(f) Avoid running high level outputs adjacent to low
level inputs.
(g) The serial clock should not be running
consecutively when not in the process of actually
loading data.
Serial Interface Timing
SERIAL
CLOCK
SERIAL
DATA
t PWL
t DS
t PWH
1ST
CLOCK
PULSE
t DH
D13
D12
14TH
CLOCK
PULSE
D1
D0
LOAD/LATCH
t LLD
t LLO
Fig.3 Serial Timing Diagram - see Specification page for timing specifications
t LLW
3
Share Link: 