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

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

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TC14433/A

1.0 ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratingsâ

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

Voltage on Any Pin:

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

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

Power Dissipation (TA â¤ 70Â°C):

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

Plastic PDIP.............................................. 940 mW

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

Operating Temperature Range ............ -40Â°C to +85Â°C

Storage Temperature Range .............. -65Â°C to +160Â°C

â Notice: Stresses above those listed under âAbsolute

Maximum Ratingsâ may cause permanent damage to

the device. These are stress ratings 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.

TC14433/A ELECTRICAL SPECIFICATIONS

Electrical Characteristics: Unless otherwise specified, VDD = +5V, VEE = -5V, C1 = 0.1 ÂµF, (Mylar), C0 = 0.1 ÂµF,

RC = 300 kÎ©, R1 = 470 kÎ© @ VREF = 2V, R1 = 27 kÎ© @ VREF = 200 mV, TA = +25Â°C.

Parameter

Symbol Min

Typ

Max

Min Typ Max Units

Test Conditions

Analog Input

Rollover Error (Positive) and SYE

-1

â Counts 200 mV Full Scale

Negative Full Scale

Symmetry

VIN -VIN = +VIN

Linearity Output Reading

(Note 1)

-0.05 +0.05 +0.05

%rdg VREF = 2V

-1 count â +1 count â

%rdg VREF = 200 mV

Stability Output Reading

SOR

LSD VX = 1.99V,

(Note 2)

VREF = 2V

LSD VX = 199 mV,

VREF = 200 mV

Zero Output Reading

ZOR

LSD VX = 0V, VREF = 2V

Bias Current: Analog Input

IIN

Reference Input

Analog Ground

Â±20

Â±100

Â±20

Â±100

Â±20

Â±100

Common mode Rejection CMRR

ââ

dB VX = 1.4V, VREF = 2V,

FOC = 32 kHz

Note 1: Accuracy â The accuracy of the meter at full scale is the accuracy of the setting of the reference voltage. Zero is

recalculated during each conversion cycle. The meaningful specification is linearity. In other words, the deviation from

correct reading for all inputs other than positive full scale and zero is defined as the linearity specification.

2: The LSD stability for 200 mV scale is defined as the range that the LSD will occupy 95% of the time.

3: Pin numbers refer to 24-pin PDIP.

DS21394D-page 3

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