ADL6012SCPZN-R2 datasheet(22/24 Pages) AD

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ADL6012

Data Sheet

Rev. 0 | Page 22 of 24

The following equations are used to calculate the slope and

intercept of each device, which is used in calibration to improve

the detection accuracy:

Slope = (VOUT2 − VOUT1)/(VPEAK2 − VPEAK1)

(1)

Intercept = VOUT1 − (Slope × VPEAK1)

(2)

The error conformance is calculated as follows:

Error = 20 × log((VOUT − Intercept)/(Slope × VPEAK))

(3)

where:

VOUT2 is the output voltage with VPEAK2 input.

VOUT1 is the output voltage with VPEAK1 input.

VOUT is the differential envelope output voltage at different

input levels.

VPEAK1 and VPEAK2 are input peak voltages at two different input

levels.

VPEAK is the peak voltage input.

The ADL6012 offers extremely stable temperature performance

across frequencies. See Figure 25 to Figure 35 for the temperature

drift error from −55°C to +125°C. The typical temperature drift is

less than 1 dB of error over the entire detection range of the device

from 2 GHz to 67 GHz. This makes the device well suited

for applications operating over a wide temperature range.

Temperature drift error relative to 25°C is calculated as follows:

Temperature Drift Error (dB) = (VOUT (TEMPERATURE) −

VOUT (AT 25°C))/(dVOUT/dPIN)

(4)

where:

VOUT is the differential envelope output.

dVOUT/dPIN is the derivative of the transfer function of the

differential VENV± output at 25°C vs. the input power.

ADL6012SCPZN-R2 数据表(PDF) 22 Page - Analog Devices

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