Datasheet

TLC2543C, TLC2543I, TLC2543M
12-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL AND 11 ANALOG INPUTS
SLAS079F – DECEMBER 1993 – REVISED NOVEMBER 2001
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
_
+
C2
0.1 µF
C1
10 µF
C3
470 pF
50 Ω
15 V
50 Ω
–15 V
V
I
AIN0–AIN10
TLC2543
10 Ω
U1
C1
10 µF
C3
470 pF
C2
0.1 µF
LOCATION
U1
C1
C2
C3
DESCRIPTION
OP27
10-µF 35-V tantalum capacitor
0.1-µF ceramic NPO SMD capacitor
470-pF porcelain Hi-Q SMD capacitor
PART NUMBER
—
—
AVX 12105C104KA105 or equivalent
Johanson 201S420471JG4L or equivalent
Figure 1. Analog Input Buffer to Analog Inputs AIN0–AIN10
EOC
C
L
= 50 pF
12 kΩ
DATA OUT
Test Point
V
CC
R
L
= 2.18 kΩ
C
L
= 100 pF
12 kΩ
Test Point
V
CC
R
L
= 2.18 kΩ
Figure 2. Load Circuits
CS
DATA
OUT
2.4 V
0.4 V
90%
10%
t
PZH
, t
PZL
t
PHZ
, t
PLZ
0.8 V
2 V
Figure 3. DATA OUT to Hi-Z Voltage Waveforms
DATA INPUT
t
h(A)
0.8 V
2 V
I/O CLOCK
Data
Valid
t
su(A)
0.8 V
Figure 4. DATA INPUT and I/O CLOCK
Voltage Waveforms