TC14433_08 Datasheet, PDF (9/24 Pages) Microchip Technology – 3-1/2 Digit, Analog-to-Digital Converter

TC14433/A
RC
10 11
CLK ₁ CLK ₀
Clock
Multiplexer
Latches
20-23
16 -19
Q – Q3
BDC Data
DS ₁ – DS ₄
Digit Strobe
Polarity Detect
1s'
10s'
100s'
1,000s'
FIGURE 4-3:
TC14433/A
Overflow
15
OR Overrange
Control Logic
2
CMOS
1
Analog Subsystem
3
Display
Update
9 14
4
5
End of
R1 R1/C
Conversion
6
7
8
C1 CO1 CO ₂
DU EOC
Integrator
Offset
Functional Block Diagram.
VREF ^{Reference Voltage}
VAG Analog Ground
VX Analog Input
VDD = Pin 24
VSS = Pin 13
VEE = Pin 12
© 2008 Microchip Technology Inc.
DS21394D-page 9