EL4095CS datasheet(17/19 Pages) INTERSIL

17 / 19 page

Thus, for a gain of three or more the fader has a noise as

good as an op-amp. The only trade-off is that the dynamic

range of the input is reduced by the gain due to the

nonlinearity caused by gained-up output signals.

Power Dissipation

Peak die temperature must not exceed 150°C. This allows

75°C internal temperature rise for a 75°C ambient. The

EL4095 in the 14-pin PDIP package has a thermal

resistance of 65°C/W, and can thus dissipate 1.15W at a

75°C ambient temperature. The device draws 20mA

maximum supply current, only 600mW at ±15V supplies, and

the circuit has no dissipation problems in this package.

The SO-14 surface-mount package has a 105°C/W thermal

resistance with the EL4095, and only 714mW can be

dissipated at 75°C ambient temperature. The EL4095 thus

can be operated with ±15V supplies at 75°C, but additional

dissipation caused by heavy loads must be considered. If

this is a problem, the supplies should be reduced to ±5V to

±12V levels.

The output will survive momentary short-circuits to ground,

but the large available current will overheat the die and also

potentially destroy the circuit’s metal traces. The EL4095 is

reliable within its maximum average output currents and

operating temperatures.

EL4095 Macromodel

This macromodel is offered to allow simulation of general

EL4095 behavior. We have included these characteristics:

These will give a good range of results of various operating

conditions, but the macromodel does not behave identically

as the circuit in these areas:

Small-signal frequency response Signal path DC distortions

Output loading effects

VGAIN I-V characteristics

Input impedance

VGAIN overdrive recovery delay

Off-channel feedthrough

100% gain error

Output impedance over

frequency

FORCE operation

-VIN characteristics and

sensitivity to parasitic

capacitance

Temperature effects

Manufacturing tolerances

Signal overload effects

Supply voltage effects

Signal and VG operating range

Slewrate limitations

Current-limit

Noise

Video and high-frequency distortions Power supply interactions

Glitch and delay from FORCE inputs

EL4095

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