AD8311_15 datasheet(4/24 Pages) AD

Part #	AD8311

Description	50 dB GSM PA Controller

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Manufacturer	AD [Analog Devices]

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AD8311

Rev. A | Page 4 of 24

Parameter

Conditions

Min

Typ

Max

Unit

MEASUREMENT MODE (f = 2.5 GHz)

Input Impedance

No termination resistor on RFIN

164 || 1.55

Ω || pF

±1 dB Dynamic Range

TA = +25

°C

42

dB

−40

°C < T

A

< +85

°C

41

dB

Maximum Input Level

±1 dB error

−6.2

dBm

Minimum Input Level

±1 dB error

−47.7

dBm

Slope2

22.5

mV/dB

Intercept2

−60.6

dBm

VSET Voltage—High Power In

PIN = –10 dBm

1.14

V

VSET Voltage—Low Power In

PIN = –40 dBm

0.46

V

Temperature Sensitivity

PIN = –10 dBm

25

°C ≤ T

A

≤ 85

°C

−0.0004

dB/

°C

−40

°C ≤ T

A

≤ +25

°C

+0.0090

dB/

°C

OUTPUT INTERFACE

VAPC (Pin 2)

Minimum Output Voltage

VSET ≤ 150mV

0.2

0.3

0.4

V

Maximum Output Voltage

IOUT = 3 mA

2.3

2.55

V

RL = ∞

2.4

2.65

V

vs. Temperature

85°C, VPOS = 3 V, IOUT = 6 mA

2.54

V

General Limit

2.7 V ≤ VPOS ≤ 5.5 V, RL = ∞

VPOS – 0.1

V

Output Current Drive

VSET = 1.5 V, RFIN = –50 dBm, source/sink

5/200

mA/μA

Output Noise

RF Input = 2 GHz, 0 dBm, fNOISE = 100 kHz, CFLT = 220 pF

170

nV/√Hz

Small Signal Bandwidth

RFIN = −10 dBm; from FLTR to VAPC

30

MHz

Fall Time

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

120

ns

Rise Time

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

270

ns

Slew Rate

90% – 10%, VSET = 0.3 V, open loop

15

V/μs

Response Time

FLTR = Open

130

ns

VSET INTERFACE

VSET (Pin 3)

Nominal Input Range

RFIN = 0 dBm; measurement mode

1.4

V

RFIN = −50 dBm; measurement mode

0.27

V

Logarithmic Scale Factor

0.04

dB/mV

Bias Current Source

RFIN = −10 dBm; VSET = 1.4 V

0.26

μA

Input Resistance

36

MΩ

Slew Rate

14

V/μs

POWER INTERFACE

VPOS (Pin 1)

Supply Voltage

2.7

5.5

V

Quiescent Current

5

7.6

10.7

mA

vs. Temperature

–40

°C ≤ T

A

≤ +85

°C

8.2

12.9

mA

Power-On Time

Time from VPOS high to VAPC within 1% of final value,

VSET ≤ 200 mV

3

10

μs

Power-Off Time

Time from VPOS low to VAPC within 1% of final value,

VSET ≤ 200 mV

100

2000

ns

1 VAPC (Pin 2) to VSET (Pin 3) with inversion stage, sinusoidal input signal.

2 Mean and standard deviation specifications are available in

.

Table 4

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