參數(shù)資料
型號: AD9548/PCBZ
廠商: Analog Devices Inc
文件頁數(shù): 58/112頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD9548
產(chǎn)品變化通告: AD9548 Mask Change 20/Oct/2010
設計資源: AD9548 Schematic
AD9548 BOM
AD9548 Eval Brd Layers
標準包裝: 1
主要目的: 計時,時鐘發(fā)生器
嵌入式:
已用 IC / 零件: AD9548
主要屬性: 62.5 ~ 450 MHz 輸出頻率
次要屬性: SPI 和 I2C 兼容控制端口
已供物品:
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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