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Fabricante

TC9400

Voltage-to-Frequency/Frequency-to-Voltage Converters

Microchip Technology 

TC9400/9401/9402

TC940X ELECTRICAL SPECIFICATIONS (CONTINUED)

Electrical Characteristics: VDD = +5V, VSS = -5V, VGND = 0V, VREF = -5V, RBIAS = 100kΩ, Full Scale = 10kHz, unless otherwise

specified. TA = +25°C, unless temperature range is specified (-40°C to +85°C for E device, 0°C to +70°C for C device).

Parameter

Min Typ Max Min Typ Max Min Typ Max Units

Test Conditions

Frequency Input

Positive Excursion 0.4

—

VDD 0.4

— VDD 0.4

—

VDD

Negative Excursion -0.4

-2 -0.4 —

-2 -0.4 —

-2

Minimum Positive

Pulse Width

(Note 8)

Minimum Negative

Pulse Width

(Note 8)

Input Impedance

Analog Outputs

Output Voltage

(Note 9)

—

5

—

— 0.5 —

—

10

—

TC9400

— VDD – 1 —

—

5

—

—

0.5

—

—

10

—

TC9401

— VDD – 1 —

—

5

—

— 0.5

—

—

10

TC9402

— VDD – 1 —

Output Loading

2

—

—

2

—

—2

—

—

Supply Current

IDD Quiescent

(Note 10)

TC9400

— 1.5

6

TC9401

—

1.5

6

TC9402

—

3

10

ISS Quiescent

(Note 10)

— -1.5 -6

-1.5 -6 —

-3

-10

VDD Supply

VSS Supply

4

— 7.5 4

— 7.5 4

—

7.5

-4

— -7.5 -4

— -7.5 -4

—

-7.5

Reference Voltage

VREF – VSS

-2.5 —

— -2.5 —

— -2.5 —

—

Note

1: Full temperature range; not tested.

2: IIN = 0.

3: Full temperature range, IOUT = 10mA.

4: IOUT = 10µA.

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

6: 10Hz to 100kHz; not tested.

7: 5µsec minimum positive pulse width and 0.5µsec minimum negative pulse width.

8: tR = tF = 20nsec.

9: RL ≥ 2kΩ, tested @ 10kΩ.

10: Full temperature range, VIN = -0.1V.

V

V

µsec

Voltage Required to

Turn Threshold

Detector On

Voltage Required to

Turn Threshold

Detector Off

Time between

Threshold Crossings

µsec

Time Between

Threshold Crossings

MΩ

V

Voltage Range of Op

Amp Output for Speci-

fied Non-Linearity

kΩ Resistive Loading at

Output of Op Amp

mA Current Required from

Positive Supply During

Operation

mA Current Required from

Negative Supply

During Operation

V

Operating Range of

Positive Supply

V

Operating Range of

Negative Supply

V

Range of Voltage

Reference Input

© 2002 Microchip Technology Inc.

DS21483B-page 5

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