- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄8936 > MCH12140DR2G (ON Semiconductor)IC DETECTOR PHASE FREQ 8-SOIC PDF資料下載
參數(shù)資料
| 型號： | MCH12140DR2G |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 4/5頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DETECTOR PHASE FREQ 8-SOIC |
| 標準包裝： | 2,500 |
| 類型： | 相頻探測器 |
| PLL： | 無 |
| 輸入： | ECL |
| 輸出： | ECL |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 2:2 |
| 差分 - 輸入:輸出： | 無/是 |
| 頻率 - 最大： | 800MHz |
| 除法器/乘法器： | 無/無 |
| 電源電壓： | 4.75 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應商設(shè)備封裝： | 8-SOICN |
| 包裝： | 帶卷 (TR) |
MCH12140, MCK12140
http://onsemi.com
4
APPLICATIONS INFORMATION
The 12140 is a high speed digital circuit used as a phase
comparator in an analog phase-locked loop. The device
determines the “l(fā)ead” or “l(fā)ag” phase relationship and time
difference between the leading edges of a VCO (V) signal
and a Reference (R) input. Since these edges occur only once
per cycle, the detector has a range of
±2p radians.
The operation of the 12140 can best be described using the
plots of Figure 2. Figure 2 plots the average value of U, D
and the difference between U and D versus the phase
difference between the V and R inputs.
There are four potential relationships between V and R: R
lags or leads V and the frequency of R is less than or greater
than the frequency of V. Under these four conditions the
12140 will function as follows:
Figure 2. Average Output Voltage vs. Phase Difference
VOH VOL
2
2p
pp
2p
U
Fv > Fr
R lags V
VOH
Fv < Fr
R leads V
VOH VOL
2
D
VOH
VOH VOL
2
UD
VOL VOH
2
2p
pp
2p
pp
2p
R lags V in phase
When the R and V inputs are equal in frequency and the
phase of R lags that of V the U output will stay HIGH while
the D output will pulse from HIGH to LOW. The magnitude
of the pulse will be proportional to the phase difference
between the V and R inputs reaching a minimum 50% duty
cycle under a 180
° out of phase condition. The signal on D
indicates to the VCO to decrease in frequency to bring the
loop into lock.
V frequency > R frequency
When the frequency of V is greater than that of R the
12140 behaves in a similar fashion as above. Again the
signal on D indicates that the VCO frequency must be
decreased to bring the loop into lock.
R leads V in phase
When the R and V inputs are equal in frequency and the
phase of R leads that of V the D output will stay HIGH while
the U output pulses from HIGH to LOW. The magnitude of
the pulse will be proportional to the phase difference
between the V and R inputs reaching a minimum 50% duty
cycle under a 180
° out of phase condition. The signal on U
indicates to the VCO to increase in frequency to bring the
loop into lock.
V frequency < R frequency
When the frequency of V is less than that of R the 12140
behaves in a similar fashion as above. Again the signal on U
indicates that the VCO frequency must be decreased to bring
the loop into lock.
From Figure 2 when V and R are at the same frequency and
in phase the value of U D is zero thus providing a zero error
voltage to the VCO. This situation indicates the loop is in lock
and the 12140 action will maintain the loop in its locked state.
ORDERING INFORMATION
Device
Package
Shipping
MCH12140D
SOIC8
98 Units / Rail
MCH12140DG
SOIC8
(PbFree)
98 Units / Rail
MCH12140DR2
SOIC8
2500 / Tape & Reel
MCH12140DR2G
SOIC8
(PbFree)
2500 / Tape & Reel
MCK12140D
SOIC8
98 Units / Rail
MCK12140DG
SOIC8
(PbFree)
98 Units / Rail
MCK12140DR2
SOIC8
2500 / Tape & Reel
MCK12140DR2G
SOIC8
(PbFree)
2500 / Tape & Reel
For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| VI-B64-MV-F1 | CONVERTER MOD DC/DC 48V 150W |
| VI-20D-MY-F1 | CONVERTER MOD DC/DC 85V 50W |
| MAX5550ETE+ | IC DAC 10BIT DUAL 30MA 16-TQFN |
| VI-B60-MV-F4 | CONVERTER MOD DC/DC 5V 150W |
| VI-B60-MV-F3 | CONVERTER MOD DC/DC 5V 150W |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCH1214OD | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:PHASE-FREQUENCY DETECTOR |
| MCH1251A620JK | 制造商:ROHM Semiconductor 功能描述: |
| MCH-136TAL1-24LPK-TR30 | 功能描述:CONN HEADER MEM CARD DUAL 136 RoHS:否 類別:連接器，互連式 >> 存儲器 - PC 卡 - 連接器 系列:MCH 產(chǎn)品目錄繪圖:67600-8001 標準包裝:1 系列:67600 卡類型:安全數(shù)字式 - SD 位置數(shù):12（9 + 3） 連接器類型:連接器和彈出器 插入，移除方法:推入式，推出式 彈出器側(cè):- 安裝類型:表面貼裝，直角 特點:開關(guān) 板上方高度:0.110"（2.80mm） 安裝特點:正常，標準 - 頂部 包裝:Digi-Reel® 觸點表面涂層:金 觸點涂層厚度:2µin（0.05µm） 其它名稱:WM19017DKR |
| MCH-136-TAL-21A-TR30 | 功能描述:CONN HEADER MEM CARD DUAL 136 RoHS:否 類別:連接器，互連式 >> 存儲器 - PC 卡 - 連接器 系列:MCH 產(chǎn)品目錄繪圖:67600-8001 標準包裝:1 系列:67600 卡類型:安全數(shù)字式 - SD 位置數(shù):12（9 + 3） 連接器類型:連接器和彈出器 插入，移除方法:推入式，推出式 彈出器側(cè):- 安裝類型:表面貼裝，直角 特點:開關(guān) 板上方高度:0.110"（2.80mm） 安裝特點:正常，標準 - 頂部 包裝:Digi-Reel® 觸點表面涂層:金 觸點涂層厚度:2µin（0.05µm） 其它名稱:WM19017DKR |
| MCH-136TAN-21A-LL | 功能描述:記憶卡連接器 136P R/A PCMCIA RoHS:否 制造商:Yamaichi Electronics 產(chǎn)品:Card Connectors 卡類型:microSD 類型: 節(jié)距: 方向: 安裝風格:SMD/SMT 端接類型: 排數(shù): 觸點數(shù)量: 電流額定值:0.5 A 電壓額定值:50 V |
發(fā)布緊急采購，3分鐘左右您將得到回復。