TLC5540_14 Datasheet, PDF (14/24 Pages) Texas Instruments – 8-Bit Resolution Differential Linearity Error Integral Linearity Error

TLC5540
SLAS105D − JANUARY 1995 − REVISED APRIL 2004
PRINCIPLES OF OPERATION
VDDA
18
5 V (Analog)
0.1 µF
REFTS ₁₆
17
REFT
REFB ₂₃
22
REFBS
AGND
21
TLC5540
R1
320 Ω NOM
2.28 V dc
Rref
270 Ω NOM
0 V dc
R2
80 Ω NOM
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Figure 15. External Connections Using the Internal Bias Two Option
functional operation
Table 2 shows the TLC5540 functions.
INPUT SIGNAL
VOLTAGE
Vref(T)
•
•
•
•
•
•
Vref(B)
Table 2. Functional Operation
STEP
MSB
255
1
1
•
•
•
•
•
•
128
1
0
127
0
1
•
•
•
•
•
•
0
0
0
DIGITAL OUTPUT CODE
1
1
1
1
•
•
•
•
•
•
•
•
0
0
0
0
1
1
1
1
•
•
•
•
•
•
•
•
0
0
0
0
LSB
1
1
•
•
•
•
0
0
1
1
•
•
•
•
0
0
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