TC14433 Datasheet, PDF (10/20 Pages) TelCom Semiconductor, Inc – 3-1/2 DIGIT A/D CONVERTERS

TC14433/A
FIGURE 4-1:
3-1/2 DIGIT VOLTMETER WITH LCD DISPLAY
0.1µF
470k 0.1µF
V₊
MCP1525
V_IN
V_OUT
V_SS
20k
1µF
C0₁ C0₂ R₁ R₁/C ₁C₁
V_X
DS4
DS3
V_AG
DS2
TC14433 ^DS1
Q₀
Q₁
V_REF
Q₂
V_DD V_SS V_{EE EOE DU RC} ^QR3C
+V
-V
300k
-V
C
R
14024B
14070B 1/4
+V
14013B 14070B
D
Q ^1/4
1/2 Digit
CR _RQ
14013B
D
Q
C _{R RQ}
Plus
Sign
-V _{1/4 14070B}
Minus
Sign
+V
BI D C B A Ph LD
+V
BI D C B A Ph LD BI D C B A Ph LD
14543B
+V
14543B
+V
14543B +V
g f e d c b a _-V g f e d c b a _-V g f e d c b a _-V
DS21394B-page 10
© 2002 Microchip Technology Inc.