TLC2543-EP Datasheet, PDF (7/25 Pages) Texas Instruments – 12-BIT ANALOG-TO-DIGITAL CONVERTER WITH SERIAL CONTROL AND 11 ANALOG INPUTS

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TLC2543-EP
12-BIT ANALOG-TO-DIGITAL CONVERTER
WITH SERIAL CONTROL AND 11 ANALOG INPUTS
SGLS125A – JULY 2002 – REVISED NOVEMBER 2006
PARAMETER MEASUREMENT INFORMATION
15 V
50 Ω
C1
10 µF
C2
0.1 µF
V_I
C1
10 µF
_
U1
+
C2
0.1 µF
C3
470 pF
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
EOC
V_CC
R_L = 2.18 kΩ
DATA OUT
Test Point
V_CC
R_L = 2.18 kΩ
C_L = 50 pF
12 kΩ
C_L = 100 pF
12 kΩ
Figure 2. Load Circuits
2V
CS
0.8 V
t_PZH, t_PZL
DATA
OUT
2.4 V
0.4 V
t_PHZ, t_PLZ
90%
10%
Figure 3. DATA OUT to Hi-Z Voltage Waveforms
Data
Valid
DATA INPUT
2V
0.8 V
t_su(A)
t_h(A)
I/O CLOCK
0.8 V
Figure 4. DATA INPUT and I/O CLOCK
Voltage Waveforms
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