© 2006 Microchip Technology Inc.

DS21479C-page 3

TC850

1.0

ELECTRICAL SPECIFICATIONS

Absolute Maximum Ratings*

Positive Supply Voltage..........................................+6V

Negative Supply Voltage ....................................... - 9V

Voltage Reference Input:

Current Into Any Pin...........................................10 mA

While Operating .....................................100

μA

Ambient Operating Temperature Range

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

I Device......................................-25°C to +85°C

CerDIP .....................................................2.29

Ω

Plastic DIP................................................1.23

Ω

Plastic PLCC ...........................................1.23

Ω

*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.

TABLE 1-1:

TC850 ELECTRICAL SPECIFICATIONS

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

Zero Scale Error

±0.25

±0.5

LSB

End Point Linearity Error

—

±1

±2

LSB

Differential Nonlinearity

—

±0.1

±0.5

LSB

Input Leakage Current

—

30

75

pA

—

1.1

3

nA

-25°

Common Mode Voltage Range

—

V

Over Operating Temperature Range

CMRR

Common Mode Rejection Ratio

—

80

—

dB

Full Scale Gain Temperature

Coefficient

—

2

5

ppm/°C

External Ref. Temperature

Coefficient = 0 ppm/°C

0°C

Zero Scale Error

Temperature Coefficient

—

0.3

2

0°C

Full Scale Magnitude

Symmetry Error

—

0.5

2

LSB

Input Noise

—

30

—

P-P

Not Exceeded 95% of Time

Positive Supply Current

—

2

3.5

mA

Negative Supply Current

—

2

3.5

mA

Output High Voltage

3.5

4.9

—

V

Output Low Voltage

—

0.15

0.4

V

Output Leakage Current

—

0.1

1

Pins 8 -15, High-impedance State

Input High Voltage

3.5

2.3

—

V

Note 3

Input Low Voltage

—

2.1

1

V

Note 3

Input Pull-Up Current

—

4

—

Input Pull-Down Current

—

14

—

Oscillator Output Current

—

140

—

Note

1:

2: Continuous mode, CONT/DEMAND = HIGH. Figure 8-4 timing diagram.

3: Digital inputs have CMOS logic levels and internal pull-up/pull-down resistors. For TTL compatibility, external pull-up