LM6125 datasheet(5/9 Pages) NSC

5 / 9 page

AC Electrical Characteristics (Continued)

Note 5: For operation at elevated temperature, these devices must be derated based on a thermal resistance of

θJA and TJ max, TJ = TA + θJA PD. θJC for the

LM6125H and LM6225H is 17˚C/W. The thermal impedance

θJA of the device in the N package is 40˚C/W when soldered directly to a printed circuit board, and the

heat-sinking pins (pins 3, 4, 5, 10, 11, and 12) are connected to 2 square inches of 2 oz. copper. When installed in a socket, the thermal impedance

θJA of the N pack-

age is 60˚C/W.

Note 6: Limits are guaranteed by testing or correlation.

Note 7: The input is biased to +2.5V, and VIN swings VPP about this value. The input swing is 2 VPP at all temperatures except for the AV3 test at −55˚C where it

is reduced to 1.5 VPP.

Note 8: The Error Flag is set (low) during current limit or thermal fault detection in addition to being set by the Shutdown pin. It is an open-collector output which re-

quires an external pullup resistor.

Note 9: Slew rate is measured with a ±11V input pulse and 50

Ω source impedance at 25˚C. Since voltage gain is typically 0.9 driving a 50Ω load, the output swing

will be approximately ±10V. Slew rate is calculated for transitions between ±5V levels on both rising and falling edges. A high speed measurement is done to minimize

device heating. For slew rate versus junction temperature see typical performance curves. The input pulse amplitude should be reduced to ±10V for measurements

at temperature extremes. For accurate measurements, the input slew rate should be at least 1700 V/µs.

Note 10: The test circuit consists of the human body model of 120 pF in series with 1500

Ω.

Note 11: A military RETS specification is available on request. At the time of printing, the LM6125H/883 RETS spec complied with the Boldface limits in this column.

The LM6125H/883 may also be procured as Standard Military Drawing specification #5962-9081501MXX.

Typical Performance Characteristics T

A = 25˚C, VS= ± 15V unless otherwise specified

Frequency Response

DS009222-9

Frequency Response

DS009222-10

Slew Rate vs Temperature

DS009222-11

Overshoot vs Capacitive Load

DS009222-12

Large Signal Response

L = 1kΩ)

DS009222-13

Large Signal Response

L = 50Ω)

DS009222-14

Supply Current

DS009222-15

−3 dB Bandwidth

DS009222-16

Slew Rate

DS009222-17

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