LP311D datasheet(2/11 Pages) TI

2 / 11 page

LP211, LP311

LOW POWER DIFFERENTIAL COMPARATORS

WITH STROBES

SLCS003D − JUNE 1987 − REVISED SEPTEMBER 2003

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

functional block diagram

EMIT OUT

COL OUT

IN+

IN−

BAL/STRB

BALANCE

absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†

Supply voltage (see Note 1): VCC+

18 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

VCC−

−18 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Differential input voltage, VID (see Note 2)

±30 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input voltage, VI (either input, see Notes 1 and 3)

±15 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Voltage from emitter output to VCC−

30 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Voltage from collector output to VCC−

40 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Voltage from collector output to emitter output

40 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Duration of output short circuit (see Note 4)

40 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Package thermal impedance,

θJA (see Notes 5 and 6): D package

°C/W

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

P package

°C/W

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

PS package

°C/W

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating virtual junction temperature, TJ

150

°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range, Tstg

−65

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

† Stresses beyond 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 beyond those indicated in the recommended operating conditions section of this

specification is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

NOTES:

1. All voltage values, unless otherwise noted, are with respect to the midpoint between VCC+ and VCC−.

2. Differential input voltages are at IN+ with respect to IN−.

3. The magnitude of the input voltage must never exceed the magnitude of the supply voltage of

±15 V, whichever is less.

4. The output may be shorted to ground or to either power supply.

5. Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable

ambient temperature is PD = (TJ(max) − TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability.

6. The package thermal impedance is calculated in accordance with JESD 51-7.

recommended operating conditions

MIN

MAX

UNIT

(|VCC±| ≤ 15 V)

Input voltage

VCC− + 0.5

VCC+ − 1.5

VCC+ − VCC−

Supply voltage

3.5

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