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參數(shù)資料
| 型號： | MAX3670 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | RECTIFIER STANDARD SINGLE 1A 100V 100 30A-ifsm 5uA-ir 1V-vf A405 5K/REEL-13 |
| 中文描述： | 低抖動、155MHz/622MHz時鐘發(fā)生器 |
| 文件頁數(shù)： | 6/13頁 |
| 文件大?。?/td> | 339K |
| 代理商： | MAX3670 |
M
Low-Jitter 155MHz/622MHz
Clock Generator
6
_______________________________________________________________________________________
Pin Description
PIN
NAME
FUNCTION
1
C2+
Positive Filter Input. External capacitor connected between C2+ and C2- used for setting the higher-order
pole frequency (see
Setting the Higher-Order Poles
).
Negative Filter Input. External capacitor connected between C2+ and C2- used for setting the higher-
order pole frequency (see
Setting the Higher-Order Poles
).
Positive Digital Supply Voltage
Threshold Adjust Input. Used to adjust the Loss-of-Lock threshold (see
LOL Setup
).
Threshold Capacitor Input. A capacitor connected between CTH and ground used to control the Loss-of-
Lock conditions (see
LOL Setup
).
2
C2-
3, 9, 15
4
VCCD
THADJ
5
CTH
6
GSEL1
Gain Select 1 Input. Three-level pin used to set the phase-detector gain (K
PD
) and the frequency-divider
ratio (N
2
) (see Table 3).
Gain Select 2 Input. Three-level pin used to set the phase-detector gain (K
PD
) and the frequency-divider
ratio (N
2
) (see Table 3).
Gain Select 3 Input. Three-level pin used to set the phase-detector gain (K
PD
) and the frequency-divider
ratio (N
2
) (see Table 3).
Loss-of-Lock.
LOL
signals a TTL low when the reference frequency differs from the VCO frequency.
LOL
signals a TTL high when the reference frequency equals the VCO frequency.
Supply Ground
Reference Clock Select Input. Three-level pin used to set the predivider ratio (N
3
) for the input reference
clock (see Table 1).
Positive Reference Clock Input
Negative Reference Clock Input
VCO Clock Select Input. Three-level pin used to set the predivider ratio (N
1
) for the input VCO clock (see
Table 2).
Negative Optional Clock Output, PECL
Positive Optional Clock Output, PECL
Positive Supply Voltage for PECL Outputs
Negative Main Clock Output, PECL
Positive Main Clock Output, PECL
Negative VCO Clock Input
Positive VCO Clock Input
Control Voltage Output. The voltage output from the op amp that controls the VCO.
Polarity Control Input. Polarity control of op amp input. POLAR = GND for VCOs with positive gain
transfer. POLAR = V
CC
for VCOs with negative gain transfer.
Optional Clock Select 1 Input. Used to set the divider ratio for the optional clock output (see Table 4).
Optional Clock Select 2 Input. Used to set the divider ratio for the optional clock output (see Table 4).
Positive Analog Supply Voltage for the Charge Pump and Op Amp
Compensation Control Input. Op amp compensation reference control input. COMP = GND for VCOs
whose control pin is V
CC
referenced. COMP = V
CC
for VCOs whose control pin is GND referenced.
Negative Op Amp Input (POLAR = 0), Positive Op Amp Input (POLAR = 1)
Positive Op Amp Input (POLAR = 0), Negative Op Amp Input (POLAR = 1)
Ground. The exposed pad must be soldered to the circuit board ground plane for proper thermal and
electrical performance.
7
GSEL2
8
GSEL3
10
LOL
11
GND
12
RSEL
13
14
REFCLK+
REFCLK-
16
VSEL
17
18
POUT-
POUT+
VCCO
MOUT-
MOUT+
VCOIN-
VCOIN+
VC
19, 22
20
21
23
24
25
26
POLAR
27
28
29
PSEL1
PSEL2
VCCA
30
COMP
31
32
OPAMP-
OPAMP+
Exposed
Pad
EP
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3670EGJ | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 Low-Jitter 155MHz/622MHz RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MAX3670EGJ-T | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 Low-Jitter 155MHz/622MHz RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MAX3670ETJ+ | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 Low-Jitter 155MHz/622MHz RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MAX3670ETJ+T | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 Low-Jitter 155MHz/622MHz RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MAX3670ETJ+TD | 制造商:Maxim Integrated Products 功能描述:CLOCK GEN 32QFN - Tape and Reel |
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