AD9511-VCOSLASHPCB datasheet(48/60 Pages) AD

48 / 60 page

AD9511

Rev. A | Page 48 of 60

Reg.

Addr.

(Hex)

Bit(s) Name

Description

<5:2> PLL Mux Control

<5>

<4>

<3>

<2>

MUXOUT—Signal on STATUS Pin

Off (Signal Goes Low) (Default)

Digital Lock Detect (Active High)

N Divider Output

Digital Lock Detect (Active Low)

R Divider Output

Analog Lock Detect (N Channel, Open-Drain)

A Counter Output

Prescaler Output (NCLK)

PFD Up Pulse

PFD Down Pulse

Loss-of-Reference (Active High)

Tri-State

Analog Lock Detect (P Channel, Open-Drain)

Loss-of-Reference or Loss-of-Lock (Inverse of DLD)

(Active High)

Loss-of-Reference or Loss-of-Lock (Inverse of DLD)

(Active Low)

Loss-of-Reference (Active Low)

MUXOUT is the PLL portion of the STATUS output MUX.

<6>

Phase-Frequency

Detector (PFD)

Polarity

0 = Negative (Default), 1 = Positive.

<7>

Not Used.

<0>

Reset All Counters 0 = Normal (Default), 1 = Reset R, A, and B Counters.

<1>

N-Counter Reset

0 = Normal (Default), 1 = Reset A and B Counters.

<2>

R-Counter Reset

0 = Normal (Default), 1 = Reset R Counter.

<3>

Not Used.

<6:4> Charge Pump (CP)

Current Setting

<6>

<5>

<4>

ICP (mA)

0.60

1.2

1.8

2.4

3.0

3.6

4.2

4.8

Default = 000b.

These currents assume: CPRSET = 5.1 kΩ.

Actual current can be calculated by: CP_lsb = 3.06/CPRSET.

<7>

Not Used.

AD9511-VCO/PCB 数据表(PDF) 48 Page - Analog Devices

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AD9511-VCO/PCB 数据表(PDF) 48 Page - Analog Devices

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