TLC32040C Datasheet, PDF (32/33 Pages) Texas Instruments – ANALOG INTERFACE CIRCUITS

TLC32040C, TLC32040I, TLC32041C, TLC32041I
ANALOG INTERFACE CIRCUITS
SLAS014E – SEPTEMBER 1987 – REVISED MAY 1995
APPLICATION INFORMATION
TMS32020/C25
TLC32040 /TLC32041
CLKOUT
FSX
DX
FSR
DR
CLKR
CLKX
MSTR CLK
FSX
DX
FSR
DR
SHIFT CLK
VCC ₊
REF
ANLG GND
VCC _–
VDD
DGTL GND
C
BAT 42†
C
–5 V
5V
0.1 µF
5V
C
† _{Thomson Semiconductors}
C = 0.2 µF, Ceramic
Figure 17. AIC Interface to the TMS32020/C25 Showing Decoupling Capacitors and Schottky Diode^†
VCC
R
TL431
500 Ω
2500 Ω
0.01 µF
3 V Output
0.1 µF Ceraminc
For: VCC = 12 V, R = 7200 Ω
VCC = 10 V, R = 5600 Ω
VCC = 5 V, R = 1600 Ω
Figure 18. External Reference Circuit For TLC32045
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