參數(shù)資料
型號: AD9520-4BCPZ
廠商: Analog Devices Inc
文件頁數(shù): 58/80頁
文件大?。?/td> 0K
描述: IC CLOCK GEN 1.6GHZ VCO 64LFCSP
設(shè)計(jì)資源: Synchronizing Multiple AD9910 1 GSPS Direct Digital Synthesizers (CN0121)
Phase Coherent FSK Modulator (CN0186)
標(biāo)準(zhǔn)包裝: 1
類型: 時鐘發(fā)生器,扇出配送
PLL:
輸入: CMOS,LVDS,LVPECL
輸出: CMOS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 2:12,2:24
差分 - 輸入:輸出: 是/是
頻率 - 最大: 1.8GHz
除法器/乘法器: 是/無
電源電壓: 3.135 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 64-LFCSP-VQ(9x9)
包裝: 托盤
產(chǎn)品目錄頁面: 776 (CN2011-ZH PDF)
配用: AD9520-4/PCBZ-ND - BOARD EVAL FOR AD9520-4
Data Sheet
AD9520-4
Rev. A | Page 61 of 80
REGISTER MAP
Register addresses that are not listed in Table 50 are not used, and writing to those registers has no effect. Writing to register addresses
that are marked as unused also has no effect.
Table 50. Register Map Overview
Addr
(Hex)
Parameter
Bit 7 (MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0 (LSB)
Default
Value
(Hex)
Serial Port Configuration
0x000
Serial port config
(SPI mode)
SDO active
LSB first/
addr incr
Soft reset
(self-clear)
Unused
Soft reset
(self-clear)
LSB first/
addr incr
SDO active
0x00
Serial port config
(IC mode)
Unused
Soft reset
(self-clear)
Unused
Soft reset
(self-clear)
Unused
0x00
0x001
Unused
N/A
0x002
Reserved
N/A
0x003
Part ID
Part ID (read only)
0x20
0x004
Readback control
Unused
Read back
active regs
0x00
EEPROM ID
0x005
EEPROM customer
version ID
EEPROM customer version ID (LSB)
0x00
0x006
EEPROM customer version ID (MSB)
0x00
0x007
to
0x00F
Unused
0x00
PLL
0x010
PFD charge pump
PFD polarity
Charge pump current
Charge pump mode
PLL power-down
0x7D
0x011
R counter
14-bit R counter, Bits[7:0] (LSB)
0x01
0x012
Unused
14-bit R counter, Bits[13:8] (MSB)
0x00
0x013
A counter
Unused
6-bit A counter
0x00
0x014
B counter
13-bit B counter, Bits[7:0] (LSB)
0x03
0x015
Unused
13-bit B counter, Bits[12:8] (MSB)
0x00
0x016
PLL_CTRL_1
Set CP pin
to VCP/2
Reset
R counter
Reset
A and B
counters
Reset all
counters
B counter
bypass
Prescaler P
0x06
0x017
PLL_CTRL_2
STATUS pin control
Antibacklash pulse width
0x00
0x018
PLL_CTRL_3
Enable CMOS
reference input
dc offset
Lock detect counter
Digital lock
detect
window
Disable
digital
lock detect
VCO calibration divider
VCO
calibration
now
0x06
0x019
PLL_CTRL_4
R, A, and B counters
SYNC pin reset
R path delay
N path delay
0x00
0x01A
PLL_CTRL_5
Enable STATUS
pin divider
Ref freq
monitor
threshold
LD pin control
0x00
0x01B
PLL_CTRL_6
Enable VCO
frequency
monitor
Enable
REF2
(REFIN)
frequency
monitor
Enable
REF1
(REFIN)
frequency
monitor
REFMON pin control
0x00
0x01C
PLL_CTRL_7
Disable
switchover
deglitch
Select REF2
Use
REF_SEL
pin
Enable
automatic
reference
switchover
Stay on REF2
Enable
REF2
Enable
REF1
Enable
differential
reference
0x00
0x01D
PLL_CTRL_8
Enable
STATUS_EEPROM
at STATUS pin
Enable
XTAL OSC
Enable
clock
doubler
Disable PLL
status
register
Enable LD pin
comparator
Unused
Enable external
holdover
Enable
holdover
0x80
0x01E
PLL_CTRL_9
Unused
External zero delay feedback
channel divider select
Enable
external
zero delay
Enable
zero delay
Unused
0x00
0x01F
PLL_Readback
(read only)
Unused
VCO cal
finished
Holdover
active
REF2
selected
VCO freq >
threshold
REF2 freq >
threshold
REF1 freq >
threshold
Digital lock
detect
N/A
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