AD8315 datasheet(7/20 Pages) AD

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REV. B

AD8315

–7–

SUPPLY VOLTAGE – V

3.5

2.7

3.3

3.1

2.9

2.7

2.5

2.3

2.8

2.9

3.0

3.1

3.2

3.3

3.4

3.5

4mA

6mA

0mA

2mA

TPC 19. Maximum VAPC Voltage vs. Supply Voltage by

Load Current

AVERAGE = 16 SAMPLES

200mV PER VERTICAL

DIVISION

VAPC

VENBL

2 s PER

HORIZONTAL

DIVISION

1V PER

VERTICAL

DIVISION

GND

TPC 20. ENBL Response Time

NC = NO CONNECT

RFIN

ENBL

VSET

VPOS

VAPC

COMM

FLTR

AD8315

220pF

2.7V

52.3

0.1 F

TEK P6205

FET PROBE

TEK TDS694C

SCOPE

TEK P6205

FET PROBE

TRIG

STANFORD DS345

PULSE

GENERATOR

PULSE OUT

TRIG

OUT

RF OUT

10MHz REF

OUTPUT

TIMEBASE

R AND S

SMT03

SIGNAL

GENERATOR

TPC 21. Test Setup for ENBL Response Time

SUPPLY VOLTAGE – V

2.8

2.7

2.6

2.5

2.4

2.8

3.0

SHADING INDICATES

3 SIGMA

2.9

TPC 22. Maximum VAPC Voltage vs. Supply Voltage with

4 mA Load Current

100ns PER

HORIZONTAL

DIVISION

AVERAGE = 16 SAMPLES

VAPC

PULSED RF

0.1GHz, –13dBV

1V PER

VERTICAL

DIVISION

INPUT

GND

TPC 23. VAPC Response Time, Full-Scale Amplitude

Change, Open-Loop

NC = NO CONNECT

RFIN

ENBL

VSET

VPOS

VAPC

COMM

FLTR

AD8315

2.7V

0.1 F

TEK P6205

FET PROBE

TEK TDS694C

SCOPE

TRIG

PICOSECOND

PULSE LABS

PULSE

GENERATOR

PULSE OUT

TRIG

OUT

R AND S SMT03

SIGNAL

GENERATOR

PULSE

MODULATION

MODE

10MHz REF

OUTPUT

EXT TRIG

PULSE MODE IN

OUT

52.3

RF OUT

–3dB

2.7V

0.3V

SPLITTER

TPC 24. Test Setup for VAPC Response Time

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