LM8272 datasheet(4/14 Pages) NSC

4 / 14 page

12V Electrical Characteristics (Continued)

Unless otherwise specified, all limited guaranteed for T

J = 25˚C, V

+ = 12V, V− = 0V, V

CM = 6V, VO = 6V, and

L > 1M

Ω to V−. Boldface limits apply at the temperature extremes.

Symbol

Parameter

Condition

Typ

(Note 5)

Limit

(Note 6)

Units

−3dB BW

Small Signal -3db Bandwidth

V = +1, RL =2k

Ω to V+/2

12.5

—

MHz

V = +1, RL = 600

Ω to V+/2

10.5

—

V = +10, RL = 600

Ω to V+/2

1.0

—

Input-Referred Voltage Noise

f = 2KHz, R

S =50

Ω

—

nV/

Input-Referred Current Noise

f = 2KHz

1.4

—

pA/

max

Full Power Bandwidth

L = (20pF || 10k

Ω)toV+/2

300

—

KHz

THD+N

Total Harmonic Distortion +Noise

V = +2, RL =2k

Ω to V+/2

O =8VPP,VS = ±5V

0.02

—

CT Rej.

Cross-Talk Rejection

f = 5MHz, Driver R

L = 10k

Ω to V+/2

—

Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Rating indicate conditions for which the device is

intended to be functional, but specific performance is not guaranteed. For guaranteed specifications and the test conditions, see the Electrical Characteristics.

Note 2: Human body model, 1.5k

Ω in series with 100pF.

Note 3: Applies to both single-supply and split-supply operation. Continuous short circuit operation at elevated ambient temperature can result in exceeding the

maximum allowed junction temperature of 150˚C.

Note 4: The maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any ambient temperature is

PD =(TJ(max) - TA)/ θJA. All numbers apply for packages soldered directly onto a PC board.

Note 5: Typical Values represent the most likely parametric norm.

Note 6: All limits are guaranteed by testing or statistical analysis.

Note 7: Positive current corresponds to current flowing into the device.

Note 8: Slew rate is the slower of the rising and falling slew rates. Connected as a Voltage Follower.

Note 9: Machine Model, 0

Ω is series with 200pF.

Note 10: Short circuit test is a momentary test. See Note 11.

Note 11: Output short circuit duration is infinite for VS ≤ 6V at room temperature and below. For VS > 6V, allowable short circuit duration is 1.5ms.

Note 12: Offset voltage average drift determined by dividing the change in VOS at temperature extremes into the total temperature change.

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