參數(shù)資料
型號: AD9516-5BCPZ-REEL7
廠商: Analog Devices Inc
文件頁數(shù): 18/76頁
文件大?。?/td> 0K
描述: IC CLOCK GEN W/PLL 64-LFCSP
標準包裝: 750
類型: 時鐘發(fā)生器,扇出配送
PLL:
輸入: CMOS,LVDS,LVPECL
輸出: CMOS,LVDS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 1:14
差分 - 輸入:輸出: 是/是
頻率 - 最大: 2.4GHz
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: 帶卷 (TR)
AD9516-5
Rev. A | Page 25 of 76
THEORY OF OPERATION
PROGRAMMABLE
N DELAY
REFIN (REF1)
REFIN (REF2)
CLK
REF1
REF2
AD9516-5
STATUS
R
DIVIDER
VCO STATUS
PROGRAMMABLE
R DELAY
REFERENCE
SWITCHOVER
REF_SEL
CPRSET VCP
VS
GND
RSET
DISTRIBUTION
REFERENCE
REFMON
CP
STATUS
LD
P, P + 1
PRESCALER
A/B
COUNTERS
N DIVIDER
PHASE
FREQUENCY
DETECTOR
LOCK
DETECT
CHARGE
PUMP
PL
L
R
E
F
E
RENCE
HOLD
OUT0
OUT1
OUT0
OUT1
LVPECL
DIVIDE BY
1 TO 32
OUT2
OUT3
OUT2
OUT3
LVPECL
DIVIDE BY
1 TO 32
OUT4
OUT5
OUT4
OUT5
LVPECL
DIVIDE BY
1 TO 32
DIVIDE BY
1 TO 32
LVDS/CMOS
OUT6 (OUT6A)
OUT6 (OUT6B)
t
OUT7 (OUT7A)
OUT7 (OUT7B)
t
DIVIDE BY
1 TO 32
DIVIDE BY
1 TO 32
LVDS/CMOS
OUT8 (OUT8A)
OUT8 (OUT8B)
t
OUT9 (OUT9A)
OUT9 (OUT9B)
t
DIVIDE BY
1 TO 32
0
1
DIVIDE BY
2, 3, 4, 5, OR 6
PD
SYNC
RESET
SCLK
SDIO
SDO
CS
DIGITAL
LOGIC
SERIAL
CONTROL
PORT
0
797
2-
028
Figure 33. Clock Distribution or External VCO < 1600 MHz (Mode 1)
OPERATIONAL CONFIGURATIONS
The AD9516 can be configured in several ways. These
configurations must be set up by loading the control registers
(see Table 47 and Table 48 through Table 57). Each section or
function must be individually programmed by setting the
appropriate bits in the corresponding control register or registers.
Mode 1—Clock Distribution or External VCO < 1600 MHz
Mode 1 bypasses the VCO divider. Mode 1 can be used only
with an external clock source of <1600 MHz, due to the maximum
input frequency allowed at the channel dividers.
For clock distribution applications where the external clock is less
than 1600 MHz, use the register settings shown in Table 18.
Table 18. Settings for Clock Distribution < 1600 MHz
Register
Description
0x010[1:0] = 01b
PLL asynchronous power-down (PLL off )
0x1E1[0] = 1b
Bypass the VCO divider as source for
distribution section
When using the internal PLL with an external VCO of <1600 MHz,
the PLL must be turned on.
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