参数资料
型号: MAX3624AETJ+
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 时钟产生/分配
英文描述: 312.5 MHz, OTHER CLOCK GENERATOR, QCC32
封装: 5 X 5 MM, ROHS COMPLIANT, TQFN-32
文件页数: 8/12页
文件大小: 391K
代理商: MAX3624AETJ+
MAX3624A
Low-Jitter, Precision Clock Generator
with Four Outputs
_______________________________________________________________________________________
5
NOISE SPUR AMPLITUDE
vs. NOISE FREQUENCY
MAX3624A
toc07
NOISE FREQUENCY (kHz)
SPUR
AMPLITUDE
(dBc)
1000
100
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
10
10,000
fC = 156.25MHz
NOISE AMPLITUDE = 40mVP-P
Typical Operating Characteristics
(Typical values are at VCC = +3.3V, TA = +25°C, crystal frequency = 25MHz.)
SUPPLY CURRENT
vs. TEMPERATURE
MAX3624A
toc01
AMBIENT TEMPERATURE (
°C)
SUPPLY
CURRENT
(mA)
60
35
10
-15
25
50
75
100
125
150
175
200
225
250
0
-40
85
ALL OUTPUTS ACTIVE AND TERMINATED
ALL OUTPUTS ACTIVE AND UNTERMINATED
DIFFERENTIAL OUTPUT WAVEFORM
AT 156.25MHz (LVPECL OUTPUT)
MAX3624A toc02
1ns/div
AMPLITUDE
(200mv/div)
OUTPUT WAVEFORM AT 125MHz
(LVCMOS OUTPUT)
MAX3624A toc03
1ns/div
AMPLITUDE
(50mV/div)
MEASURED USING 50
Ω OSCILLOSCOPE INPUT
THROUGH NETWORK SHOWN IN FIGURE 1
PHASE NOISE AT 312.5MHz
CLOCK FREQUENCY
MAX3624A
toc04
OFFSET FREQUENCY (kHz)
NOISE
POWER
DENSITY
(dBc/Hz)
10,000
1000
1
10
100
-150
-140
-130
-120
-110
-100
-90
-80
-160
0.1
100,000
PHASE NOISE AT 125MHz
CLOCK FREQUENCY
MAX3624A
toc05
OFFSET FREQUENCY (kHz)
NOISE
POWER
DENSITY
(dBc/Hz)
10,000
1000
1
10
100
-150
-140
-130
-120
-110
-100
-90
-80
-160
0.1
100,000
PHASE NOISE AT 212.5MHz
CLOCK FREQUENCY
(26.5625MHz CRYSTAL)
MAX3624A
toc06
OFFSET FREQUENCY (kHz)
NOISE
POWER
DENSITY
(dBc/Hz)
10,000
1000
1
10
100
-150
-140
-130
-120
-110
-100
-90
-80
-160
0.1
100,000
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