AD8319-EVALZ Просмотр технического описания (PDF) - Analog Devices

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производитель

AD8319-EVALZ

1 MHz to 10 GHz, 45 dB Log Detector/Controller

Analog Devices 

AD8319

Data Sheet

Parameter

Conditions

Min Typ

Max

f = 5.8 GHz

Input Impedance

±1 dB Dynamic Range

RTADJ = 500 Ω

TA = 25°C

110||0.05

40

−40°C < TA < +85°C

40

Maximum Input Level

±1 dB error

−3

Minimum Input Level

Slope1

Intercept1

Output Voltage: High Power In

Output Voltage: Low Power In

f = 8.0 GHz

Input Impedance

±1 dB error

PIN = −10 dBm

PIN = −40 dBm

RTADJ = open

−43

−22

15

0.57

1.25

28||0.79

±1 dB Dynamic Range

TA = 25°C

40

−40°C < TA < +85°C

31

Maximum Input Level

±1 dB error

−1

Minimum Input Level

±1 dB error

−41

Slope2

−22

Intercept2

20

Output Voltage: High Power In

PIN = −10 dBm

0.67

Output Voltage: Low Power In

PIN = −40 dBm

1.34

OUTPUT INTERFACE

VOUT (Pin 5)

Voltage Swing

VSET = 0 V; RFIN = open

VPOS − 0.1

VSET = 1.5 V; RFIN = open

10

Output Current Drive

VSET = 0 V; RFIN = open

10

Small Signal Bandwidth

RFIN = −10 dBm; from CLPF to VOUT

140

Output Noise

RFIN = 2.2 GHz, −10 dBm, fNOISE = 100 kHz,

90

CLPF = open

Fall Time

Input level = no signal to −10 dBm, 90% to 10%;

18

CLPF = 8 pF

Input level = no signal to −10 dBm, 90% to 10%;

6

CLPF = open; ROUT = 150 Ω

Rise Time

Input level = −10 dBm to no signal, 10% to 90%;

20

CLPF = 8 pF

Input level = −10 dBm to no signal, 10% to 90%;

10

CLPF = open; ROUT = 150 Ω

Video Bandwidth (or Envelope Bandwidth)

50

VSET INTERFACE

VSET (Pin 4)

Nominal Input Range

RFIN = 0 dBm; measurement mode

0.35

RFIN = −40 dBm; measurement mode

1.23

Logarithmic Scale Factor

−45

Input Resistance

RFIN = −20 dBm; controller mode; VSET = 1 V

40

TADJ INTERFACE

TADJ (Pin 6)

Input Resistance

TADJ = 0.9 V, sourcing 50 µA

40

Disable Threshold Voltage

TADJ = open

VPOS − 0.4

POWER INTERFACE

VPOS (Pin 7)

Supply Voltage

3.0

5.5

Quiescent Current

18 22

30

vs. Temperature

−40°C ≤ TA ≤ +85°C

60

Disable Current

TADJ = VPOS

200

1 Slope and intercept are determined by calculating the best fit line between the power levels of −40 dBm and −10 dBm at the specified input frequency.

2 Slope and intercept are determined by calculating the best fit line between the power levels of −34 dBm and −16 dBm at 8.0 GHz.

Unit

Ω||pF

dB

dB

dBm

dBm

mV/dB

dBm

V

V

Ω||pF

dB

dB

dBm

dBm

mV/dB

dBm

V

V

V

mV

mA

MHz

nV/√Hz

ns

ns

ns

ns

MHz

V

V

dB/V

kΩ

kΩ

V

V

mA

µA/°C

µA

Rev. D | Page 4 of 19

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