AD8368 datasheet(4/20 Pages) AD

номер детали	AD8368

подробное описание детали	800 MHz, Linear-in-dB VGA with AGC Detector

PDF	20 Pages

Scroll/Zoom	100%

производитель	AD [Analog Devices]

домашняя страница	http://www.analog.com

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AD8368

Rev. A | Page 4 of 20

VS = 5 V, TA = 25°C, system impedance Z0 = 50 Ω, VMODE = 5 V, RF input = 140 MHz, unless otherwise noted.

Table 2.

Parameter

Min

Typ

Max

Unit

Conditions

SQUARE LAW DETECTOR (DETI, DETO)

Output Setpoint

−11

dBm

OUTP connected to DETI

DETI DC Bias Level to ICOM

VS/2

DETI Impedance

710

0.6

DETO Output Range1

0.1

VS/2

AGC Step Response

μs

For −6 dB input power step (CDETO = 1 nF)

MODE CONTROL INTERFACE (MODE)

MODE Threshold

3.5

MODE Input Bias Current

μA

POWER INTERFACE (VPSI, VPSO)

Supply Voltage

4.5

5.5

Total Supply Current

ENBL high

Disable Current

ENBL low

ENABLE INTERFACE (ENBL)

Enable Threshold

2.5

Enable Response Time

1.5

μs

Time delay following off-to-on transition until

output reaches 90% of final value

μs

Time delay following on-to-off transition until

supply current is less than 5 mA

ENBL Input Bias Current

150

μA

VENBL = 5 V

1 Refer to AGC Operation section.

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