ICL8048BCJE 데이터 시트보기 (PDF) - Intersil

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ICL8048BCJE

Log Amplifier

Intersil 

ICL8048

Error, % of Full Scale. The error as a percentage of full

scale can be obtained from the following relationship:

Error, % of Full Scale = -1---0---0-----×-----E----r--r--o---r--,----a---b---s---o---l--u---t--e-----v---a---l--u---e--

Full Scale Output Voltage

Temperature Coefficient of VOUT. For the ICL8048 the

temperature coefficient refers to the drift with temperature of

VOUT for a constant input current.

Power Supply Rejection Ratio. The ratio of the voltage

change in the linear axis of the transfer function (VOUT for

the ICL8048) to the change in the supply voltage, assuming

that the log axis is held constant.

Wideband Noise. For the ICL8048, this is the noise

occurring at the output under the specified conditions.

Scale Factor. For the log amp, the scale factor (K) is the

voltage change at the output for a decade (i.e., 10:1) change

at the input. See Equation 5.

Application Notes

For further applications assistance, see A007 “The

ICL8048/8049 Monolithic Log-Antilog Amplifiers”.

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