AD8312 datasheet(4/13 Pages) AD

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AD8312

Preliminary Technical Data

Rev. PrA| Page 4 of 13

Parameter

Conditions

Min

Typ

Max

Unit

f = 2.5 GHz

Input Impedance

365 || 1.1

Ω || pF

± 1 dB Dynamic Range

TA = +25

°C

−40

°C < T

< +85

°C

Maximum Input Level

± 1 dB Error

-4

dBm

Minimum Input Level

± 1 dB Error

-48

dBm

Slope

18.85

mV/dB

Intercept

-51

dBm

Output Voltage - High Power In

PIN = –10 dBm

0.774

Output Voltage - Low Power In

PIN = –40 dBm

0.205

Temperature Sensitivity

PIN = –10 dBm

°C ≤ T

≤ +85°C

+0.0053

dB/

°C

–40

°C ≤ T

≤ +25°C

-0.0047

dB/

°C

OUTPUT INTERFACE

VOUT (Pin 2)

Minimum Output Voltage

No Signal at RFIN, RL ≥ 10 kΩ

0.02

Maximum Output Voltage1

RL ≥ 10 kΩ

2.2

General Limit

2.7 V ≤ VS ≤ 5.5 V

VS – 1

Available Output Current

Sourcing/Sinking

2/1

Residual RF (at 2f)

f = 0.1 GHz (Worst Condition)

100

µV

Output Noise

RF Input = 2.2 GHz, –10 dBm, fNOISE = 100 kHz,

CFLT open

tbd

uV/

√Hz

Fall Time

Input Level = off to 0 dBm, 90% to 10%

120

Rise Time

Input Level = 0 dBm to off, 10% to 90%

VSET INTERFACE

VSET (Pin 3)

Input Resistance

kΩ

Bias Current Source

RFIN = −10 dBm; VSET = 1.2V

tbd

µA

POWER INTERFACE

VPOS (Pin 1)

Supply Voltage

2.7

3.0

5.5

Quiescent Current

4.2

vs. Temperature

–40

°C ≤ T

≤ +85°C

4.3

1 Increased output possible when using an attenuator between VOUT and VSET to raise the slope.

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