© 2002 Microchip Technology Inc.

DS21483B-page 3

TC9400/9401/9402

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings*

Storage Temperature Range .............. -65°C to +150°C

Operating Temperature Range:

C Device ........................................... 0°C to +70°C

E Device......................................... -40°C to +85°C

8-Pin CerDIP .............................................. 800mW

8-Pin Plastic DIP ........................................ 730mW

8-Pin SOIC ................................................. 470mW

*Stresses above those listed under "Absolute Maximum

Ratings" 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.

TC940X ELECTRICAL SPECIFICATIONS

Parameter

Min

Typ

Max

Min

Typ

Max

Min

Typ

Max

Units

Test Conditions

Voltage-to-Frequency

Accuracy

TC9400

TC9401

TC9402

Linearity 10kHz

—

0.01

0.05

—

0.004

0.01

—

0.05

0.25

%

Full Scale

Output Deviation from

Straight Line Between

Normalized Zero and

Full Scale Input

Linearity 100kHz

—

0.1

0.25

—

0.04

0.08

—

0.25

0.5

%

Full Scale

Output Deviation from

Straight Line Between

Normalized Zero Read-

ing and Full Scale Input

Gain Temperature

Drift (Note 1)

—

±25

±40

—

±25

±40

—

±50

±100

ppm/°C

Full Scale

VariationinGainA due

to Temperature Change

Gain Variance

—

±10

—

—

±10

—

—

±10

—

% of

Nominal

Variation from Ideal

Accuracy

Zero Offset

(Note 2)

—

±10

±50

—

±10

±50

—

±20

±100

mV

Correction at Zero

Adjust for Zero Output

when Input is Zero

Zero Temperature

Drift (Note 1)

—

±25

±50

—

±25

±50

—

±50

±100

µV/°C

VariationinZeroOffset

DuetoTemperature

Change

Note

1:

Full temperature range; not tested.

2:

3:

4:

5:

Threshold Detect = 5V, Amp Out = 0V, full temperature range.

6:

10Hz to 100kHz; not tested.

7:

5

µsec minimum positive pulse width and 0.5µsec minimum negative pulse width.

8:

9: