AD8318 datasheet(3/24 Pages) AD

No de pièce	AD8318

Description	1 MHz - 8 GHz, 60 dB Logarithmic Detector/Controller

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AD8318

Rev. 0 | Page 3 of 24

SPECIFICATIONS

VP = 5 V, CLPF = 220 pF, TA = +25°C, 52.3 Ω termination resistor at INHI, unless otherwise noted.

Table 1.

Parameter

Conditions

Min

Typ

Max

Unit

SIGNAL INPUT INTERFACE

INHI (Pin 14) and INLO (Pin 15)

Specified Frequency Range

0.001

8

GHz

DC Common-Mode Voltage

VPOS – 1.8

V

MEASUREMENT MODE

VOUT (Pin 6) shorted to VSET (Pin 7), sinusoidal

input signal

f = 900 MHz

500 Ω at TADJ to GND

Input Impedance

957 || 0.71

Ω || pF

±1 dB Dynamic Range

TA = +25

°C

57

dB

−40

°C < T

A

< +85

°C

48

dB

Maximum Input Level

±1 dB Error

–1

dBm

Minimum Input Level

±1 dB Error

–58

dBm

Slope

−26

–24.5

−23

mV/dB

Intercept

19.5

22

24

dBm

Output Voltage—High Power In

PIN = –10 dBm

0.7

0.78

0.86

V

Output Voltage—Low Power In

PIN = –40 dBm

1.42

1.52

1.62

V

Temperature Sensitivity

PIN = –10 dBm

25

°C ≤ T

A

≤ +85°C

+0.0011

dB/

°C

−40

°C ≤ T

A

≤ +25°C

+0.003

dB/

°C

f = 1.9 GHz

500 Ω at TADJ to GND

Input Impedance

523 || 0.68

Ω || pF

±1 dB Dynamic Range

TA = +25

°C

57

dB

−40

°C < T

A

< +85

°C

50

dB

Maximum Input Level

±1 dB Error

–2

dBm

Minimum Input Level

±1 dB Error

–59

dBm

Slope

−27

–24.4

−22

mV/dB

Intercept

17

20.4

24

dBm

Output Voltage—High Power In

PIN = –10 dBm

0.63

0.73

0.83

V

Output Voltage—Low Power In

PIN = –35 dBm

1.2

1.35

1.5

V

Temperature Sensitivity

PIN = –10 dBm

25

°C ≤ T

A

≤ +85°C

+0.0011

dB/

°C

–40

°C ≤ T

A

≤ +25°C

+0.0072

dB/

°C

f = 2.2 GHz

500 Ω at TADJ to GND

Input Impedance

391 || 0.66

Ω || pF

±1 dB Dynamic Range

TA = +25

°C

58

dB

−40

°C < T

A

< +85

°C

50

dB

Maximum Input Level

±1 dB Error

–2

dBm

Minimum Input Level

±1 dB Error

–60

dBm

Slope

−28

–24.4

−21.5

mV/dB

Intercept

15

19.6

25

dBm

Output Voltage—High Power In

PIN = –10 dBm

0.63

0.73

0.84

V

Output Voltage—Low Power In

PIN = –35 dBm

1.2

1.34

1.5

V

Temperature Sensitivity

PIN = –10 dBm

25

°C ≤ T

A

≤ +85°C

−0.0005

dB/

°C

–40

°C ≤ T

A

≤ +25°C

+0.0062

dB/

°C

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