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TC14433

3-1/2 DIGIT A/D CONVERTERS

TelCom Semiconductor Inc => Microchip 

3-1/2 DIGIT A/D CONVERTERS

TC14433

TC14433A

ABSOLUTE MAXIMUM RATINGS*

Supply Voltage (VDD – VEE) ...................... – 0.5V to +18V

Voltage on Any Pin,

Reference to VEE ....................... – 0.5V to (VDD + 0.5)

DC Current, Any Pin .............................................. ±10mA

Operating Temperature Range ............... – 40°C to +85°C

Power Dissipation (TA < 70°C)

Plastic PLCC .......................................................1.0W

Plastic DIP .......................................................940mW

SOIC ................................................................ 940mW

CerDIP ............................................................... 1.45W

Storage Temperature Range ................ – 65°C to +160°C

Lead Temperature (Soldering, 10 sec) ................. +300°C

*This is a stress rating only and functional operation of the device at these

or any other conditions above those indicated in the operation sections of

the specifications is not implied. Exposure to absolute maximum rating

conditions for extended periods may affect device reliability.

ELECTRICAL CHARACTERISTICS: VDD = +5V, VEE = – 5V, C1 = 0.1µF (mylar), CO = 0.1µF, RC = 300kΩ, R1 =

470kΩ @ VREF = 2V, R1 = 27kΩ @ VREF = 200mV, unless otherwise specified.

Symbol Parameter

Test Conditions

TA = +25°C

– 40°C < TA < +85°C

Min Typ Max Min Typ Max Unit

Analog Input

SYE

Rollover Error (Positive

and Negative Full

Scale Symmetry

200mV Full Scale VIN

–VIN = +VIN

–1

—

+1

—

—

— Counts

NL

Linearity Output

Reading (Note 1)

VREF = 2V

VREF = 200mV

– 0.05 +0.05 +0.05 —

—

— %rdg

– 1 count — +1 count —

—

—

SOR

Stability Output Reading VX = 1.99V, VREF = 2V

—

—

(Note 2)

VX = 199mV, VREF = 200mV

—

—

2

—

—

— LSD

3

—

—

—

ZOR

Zero Output Reading

VX = 0V, VREF = 2V

—

0

0

—

—

— LSD

IIN

Bias Current:

Analog Input

Reference Input

Analog Ground

—

±20

±100

—

—

—

pA

—

±20 ±100

—

—

—

—

±20 ±500

—

—

—

CMRR Common-Mode Rejection VX = 1.4V, VREF = 2V,

fOC = 32kHz

—

65

—

—

—

—

dB

Digital

VOL

VOH

IOH

IOL

fCLK

IDU

Power

Output Voltage

Pins 14 to 23 (Note 3)

Output Voltage

Pins 14 to 23 (Note 3)

Output Current

Pins 14 to 23

Output Current

Pins 14 to 23

Clock Frequency

Input Current – DU

VSS = 0V, "0" Level

VSS = – 5V, "0" Level

—

0

0.05

—

— 0.05

V

—

– 5 –4.95 —

— – 4.95

VSS = 0V, "1" Level

VSS = – 5V, "1" Level

4.95

5

4.95

5

—

4.95 —

—

V

—

4.95 —

—

VSS = 0V, VOH = 4.6V Source – 0.2 – 0.36

— – 0.14 —

—

mA

VSS = – 5V, VOH = 5V Source – 0.5 – 0.9

— – 0.35 —

—

VSS = 0V, VOL = 0.4V Sink

0.51

VSS = – 5V, VOL = – 4.5V Sink 1.3

0.88

2.25

—

0.36 —

—

mA

—

0.9 —

—

RC = 300kΩ

—

66

—

—

—

—

kHz

— ±0.00001 ±0.3

—

—

±1

µA

IQ

Quiescent Current

PSRR Supply Rejection

VDD to VEE, ISS = 0, 14433A:

VDD = 5, VEE = – 5

—

0.4

2

—

— 3.7 mA

VDD = 8, VEE = –8

—

1.4

4

—

— 7.4

VDD to VEE, ISS = 0, 14433:

VDD = 5, VEE = – 5

—

0.9

2

—

— 3.7

VDD = 8, VEE = –8

—

1.8

4

—

— 7.4

VDD to VEE, ISS = 0, VREF = 2V —

0.5

—

—

—

— mV/V

VDD = 5, VEE = – 5

3-128

TELCOM SEMICONDUCTOR, INC.

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