參數(shù)資料
型號(hào): AD9548BCPZ-REEL7
廠商: Analog Devices Inc
文件頁數(shù): 58/112頁
文件大?。?/td> 0K
描述: IC CLOCK GEN/SYNCHRONIZR 88LFCSP
產(chǎn)品變化通告: AD9548 Mask Change 20/Oct/2010
標(biāo)準(zhǔn)包裝: 400
類型: 時(shí)鐘/頻率發(fā)生器,同步器
PLL:
主要目的: 以太網(wǎng),SONET/SDH,Stratum
輸入: CMOS,LVDS,LVPECL
輸出: CMOS,LVDS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 是/是
頻率 - 最大: 750kHz
電源電壓: 1.71 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 88-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 88-LFCSP-VQ(12x12)
包裝: 帶卷 (TR)
Data Sheet
AD9548
Rev. E | Page 5 of 112
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
Incremental Power Dissipation
Conditions = typical configuration; table values show the
change in power due to the indicated operation.
SYSCLK PLL Off
105
mW
fSYSCLK = 1 GHz1; high frequency direct input mode.
Input Reference On
Differential
7
mW
Single-Ended
13
mW
Output Distribution Driver On
LVDS
70
mW
LVPECL
75
mW
CMOS
65
mW
A single 3.3 V CMOS output with a 10 pF load.
1
fSYSCLK is the frequency at the SYSCLKP and SYSCLKN pins.
2
fS is the sample rate of the output DAC.
3
fDDS is the output frequency of the DDS.
LOGIC INPUTS (M7 TO M0, RESET, TDI, TCLK, TMS)
Table 4.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
LOGIC INPUTS (M7 to M0, RESET, TDI, TCLK, TMS)
Input High Voltage (VIH)
2.1
V
Input Low Voltage (VIL)
0.8
V
Input Current (IINH, IINL)
±80
±200
A
Input Capacitance (CIN)
3
pF
LOGIC OUTPUTS (M7 TO M0, IRQ, TDO)
Table 5.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
LOGIC OUTPUTS (M7 to M0, IRQ, TDO)
Output High Voltage (VOH)
2.7
V
IOH = 1 mA
Output Low Voltage (VOL)
0.4
V
IOL = 1 mA
IRQ Leakage Current
Open-drain mode
Active Low Output Mode
1
μA
VOH = 3.3 V
Active High Output Mode
1
μA
VOL =-0 V
SYSTEM CLOCK INPUTS (SYSCLKP/SYSCLKN)
Table 6.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
SYSTEM CLOCK PLL BYPASSED
Input Frequency Range
500
1000
MHz
Minimum Input Slew Rate
1000
V/μs
Minimum limit imposed for jitter
performance
Duty Cycle
40
60
%
Common-Mode Voltage
1.2
V
Internally generated
Differential Input Voltage Sensitivity
100
mV p-p
Minimum voltage across pins required to
ensure switching between logic states;
the instantaneous voltage on either pin
must not exceed the supply rails; can
accommodate single-ended input by ac
grounding unused input
Input Capacitance
2
pF
Single-ended, each pin
Input Resistance
2.5
k
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