TLC2543CDWR Datasheet, PDF (7/34 Pages) Texas Instruments – 12-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 ANALOG INPUTS

TLC2543C, TLC2543I, TLC2543M
12-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL AND 11 ANALOG INPUTS
SLAS079F – DECEMBER 1993 – REVISED NOVEMBER 2001
PARAMETER MEASUREMENT INFORMATION
15 V
50 Ω
C1
10 µF
C2
0.1 µF
C3
470 pF
VI
C1
10 µF
_
U1
+
C2
0.1 µF
10 Ω
TLC2543
AIN0 – AIN10
C3
470 pF
50 Ω
– 15 V
LOCATION
DESCRIPTION
U1
OP27
C1
10-µF 35-V tantalum capacitor
C2
0.1-µF ceramic NPO SMD capacitor
C3
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
Test Point
VCC
Test Point
VCC
EOC
RL = 2.18 kΩ
DATA OUT
RL = 2.18 kΩ
CL = 50 pF
12 kΩ
CL = 100 pF
12 kΩ
Figure 2. Load Circuits
2V
CS
0.8 V
tPZH, tPZL
DATA
OUT
2.4 V
0.4 V
tPHZ, tPLZ
90%
10%
DATA INPUT
Data
Valid
2V
0.8 V
tsu(A)
I/O CLOCK
0.8 V
th(A)
Figure 3. DATA OUT to Hi-Z Voltage Waveforms
Figure 4. DATA INPUT and I/O CLOCK
Voltage Waveforms
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