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

TC14433/A
3-1/2 Digit, Analog-to-Digital Converter
Features
• Accuracy: ±0.05% of Reading ±1 Count
• Two Voltage Ranges: 1.999V and 199.9 mV
• Up to 25 Conversions Per Second
• Z_IN > 1000M Ohms
• Single Positive Voltage Reference
• Auto-Polarity and Auto-Zero
• Overrange and Underrange Signals Available
• Operates in Auto-Ranging Circuits
• Uses On-Chip System Clock or External Clock
• Wide Supply Range: ±4.5V to ±8V
Applications
• Portable Instruments
• Digital Voltmeters
• Digital Panel Meters
• Digital Scales
• Digital Thermometers
• Remote A/D Sensing Systems
• MPU Systems
Device Selection Table
Part Number
TC14433AEJG
TC14433AELI
TC14433AEPG
TC14433COG
TC14433EJG
TC14433ELI
TC14433EPG
Package
24-Pin CERDIP
(Wide)
28-Pin PLCC
24-Pin PDIP
(Wide)
24-Pin SOIC
(Wide)
24-Pin CERDIP
(Wide)
28-Pin PLCC
24-Pin PDIP
(Wide)
Temperature
Range
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
Package Type
24-Pin PDIP (Wide)
24-Pin CERDIP (Wide)
24-Pin SOIC (Wide)
V_{AG 1}
V_REF 2
V_{X 3}
R_{1 4}
R₁/C_{1 5}
C_{1 6}
CO_{1 7}
TC14433/A
CO_{2 8}
DU 9
CLK1 10
CLK0 11
V_{EE 12}
24 V_DD
23 Q₃
22 Q₂
21 Q₁
20 Q0
19 DS₁
18 DS₂
17 DS₃
16 _DS4
15 _OR
14 EOC
13 V_SS
28-Pin PLCC
4 3 2 1 28 27 26
R_{1 5}
R1/C_{1 6}
C_{1 7}
NC 8
TC14433/A
25 Q₁
24 Q₀
23 DS₁
22 NC
CO1 9
21 _DS2
CO_{2 10}
DU 11
20 DS
3
19 DS₄
12 13 14 15 16 17 18
Note 1: NC = No internal connection (In 28-Pin PLCC).
2: 24-Pin SOIC (Wide) package, only for
TC14433 device.
© 2002 Microchip Technology Inc.
DS21394B-page 1