LMC568 datasheet(2/12 Pages) TI1

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LMC568

SNAS559B – MAY 1999 – REVISED APRIL 2013

www.ti.com

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

Absolute Maximum Ratings

(1) (2)

Input Voltage, Pin 3

2 Vp–p

Supply Voltage, Pin 4

10V

Output Voltage, Pin 8

13V

Voltage at All Other Pins

Vs to Gnd

Output Current, Pin 8

30 mA

Package Dissipation

500 mW

Operating Temperature Range (TA)

−25°C to +125°C

Storage Temperature Range

−55°C to +150°C

Soldering Information

PDIP Package

Soldering (10 seconds)

260°C

SOIC Package

Vapor Phase (60 seconds)

215°C

Infrared (15 seconds)

220°C

(1)

“Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for

which the device is functional, but do not ensure specific performance limits.

(2)

If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and

specifications.

Electrical Characteristics

Test Circuit, TA= 25°C, VS= 5V, RtCt #2, Sw. 1 Pos. 0; and no input unless otherwise noted.

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Power Supply Current

RtCt # 1, Quiescent or Activated

VS = 2V

0.35

VS = 5V

0.75

1.5

mAdc

VS = 9V

1.2

2.4

Input D.C. Bias

mVdc

Input Resistance

Ω

Output Leakage

100

nAdc

Center Frequency Fosc ÷ 2 RtCt #2, Measure Oscillator Frequency and

VS = 2V

Divide by 2

VS = 5V

103

115

kHz

VS = 9V

105

Δf0

Center Frequency Shift

with Supply

1.0

2.0

%/V

Vin

Input Threshold

VS = 2V

Set Input Frequency Equal to f0 Measured

Above, Increase Input Level until Pin 8 Goes VS = 5V

mVrms

Low.

VS = 9V

ΔVin

Input Hysteresis

Starting at Input Threshold, Decrease Input Level until Pin

1.5

mVrms

8 Goes High

Output "Sat" Voltage

I8 = 2 mA

0.06

0.15

Input Level > Threshold Choose RL for

Vdc

Specified I8

I8 = 20 mA

0.7

L.D.B.W.

Largest Detection

Measure Fosc with Sw. 1 in Pos. 0, 1, and 2;

VS = 2V

Bandwidth

VS = 5V

VS = 9V

ΔBW

Bandwidth Skew

±5

Vout

Recovered Audio

VS = 2V

170

Typical Application Circuit

Input = 100 mVrms, F = 100 kHz

VS = 5V

270

mVrms

Fmod = 400 Hz, ± 10 kHz Dev.

VS = 9V

400

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