ADRF6520 datasheet(3/29 Pages) AD

部品番号	ADRF6520

部品情報	Dual Programmable Filters and VGAs

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Data Sheet

ADRF6520

Rev. 0 | Page 3 of 29

SPECIFICATIONS

VPS, VPSD = 3.3 V, TA = 25°C, ZLOAD = 100 Ω.

Table 1.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

FREQUENCY RESPONSE, FILTER BYPASS MODE

±1 dB Gain Flatness Bandwidth

I or Q channel

1.25

GHz

FREQUENCY RESPONSE

Low-Pass Corner Frequency, fC

Corner Frequencies

Four-pole Butterworth filter, −1 dB bandwidth

36

MHz

72

MHz

144

MHz

288

MHz

432

MHz

576

MHz

720

MHz

Corner Frequency Absolute Accuracy

Over operating temperature range

±8

% fC

Corner Frequency Matching

Channel A and Channel B at same gain and bandwidth

settings

±0.5

% fC

Pass-Band Flatness

Defined as difference between value at 100 kHz and fC

Corner Frequency = 72 MHz

0.2

dB

Bypass Mode

1.5

dB

Gain Matching

Channel A and Channel B at same gain and bandwidth

settings; 1 kHz to fC

±0.1

dB

Group Delay Variation

From midband to peak

Corner Frequency = 36 MHz

4

ns

Corner Frequency = 144 MHz

0.8

ns

Corner Frequency = 720 MHz

0.25

ns

Bypass Mode

0.15

ns

Group Delay Matching

At fC/2; Channel A and Channel B at same gain

Corner Frequency = 36 MHz

±60

ps

Corner Frequency = 144 MHz

±50

ps

Corner Frequency = 720 MHz

±15

ps

Bypass Mode

±10

ps

Stop-Band Rejection

Gain = 53 dB

Relative to Pass Band

2 × fC

−20

dB

5 × fC

−50

dB

10 × fC

−80

dB

INPUT STAGE

INP1, INM1, INP2, INM2

Maximum Input Swing

At minimum gain, VGN1 = 0 V

4.0

V p-p

Differential Input Impedance

100

Ω

Input Common Mode

AC coupling recommended

1.375

V

RMS DETECTOR

VRMS, CFLT1, CFLT2

Output Scaling

Relative to the summation of the differential voltage at

filter input of both channels

1

V/V rms

Output Current

Source available

3

mA

Output Load

To reach full scale

1

kΩ

GAIN CONTROL

VGN1, VGN2

Gain Range

Maximum gain

53

dB

Minimum gain

−7

Attenuation Range

Each attenuator; VGN1 or VGN2 = 1.5 V

−30

0

dB

Each attenuator; VGN1 or VGN2 = 0 V

30

dB

Gain Slope

30

mV/dB

Gain Error

VGAIN from 500 mV to 1000 mV

0.2

dB

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