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參數(shù)資料
| 型號： | X9523B20I-A |
| 廠商： | INTERSIL CORP |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | RECTIFIER FAST-RECOVERY SINGLE 3A 50V 125A-ifsm 0.95V-vf 35ns 5uA-ir DO-201AD 1.2K/REEL-13 |
| 中文描述： | DIGITAL POTENTIOMETER, BGA20 |
| 封裝： | BGA-20 |
| 文件頁數(shù)： | 6/30頁 |
| 文件大?。?/td> | 509K |
| 代理商： | X9523B20I-A |
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6
FN8209.0
March 10, 2005
final STOP condition), the X9523 initiates an internal high
voltage write cycle. This cycle typically requires 5 ms.
During this time, no further Read or Write commands can
be issued to the device. Write Acknowledge Polling is
used to determine when this high voltage write cycle has
been completed.
To perform acknowledge polling, the master issues a
START condition followed by a Slave Address Byte. The
Slave Address issued must contain a valid Internal
Device Address. The LSB of the Slave Address (R/W)
can be set to either 1 or 0 in this case. If the device is still
busy
with
the
high
voltage
ACKNOWLEDGE will be returned. If the device has
completed the write operation, an ACKNOWLEDGE will
be returned and the host can then proceed with a read or
write operation. (Refer to Figure 5.).
cycle
then
no
DIGITALLY CONTROLLED POTENTIOMETERS
DCP Functionality
The X9523 includes two independent resistor arrays.
These arrays respectively contain 99 and 255 discrete
resistive segments that are connected in series. The
physical ends of each array are equivalent to the fixed
terminals of a mechanical potentiometer (R
Hx
and R
Lx
inputs - where x = 1,2).
At both ends of each array and between each resistor
segment there is a CMOS switch connected to the wiper
(R
w
x
) output. Within each individual array, only one
switch may be turned on at any one time. These
switches are controlled by the Wiper Counter Register
(WCR) (See Figure 6). The WCR is a volatile register.
On power-up of the X9523, wiper position data is auto-
matically loaded into the WCR from its associated Non
Volatile Memory (NVM) Register. The Table below
shows the Initial Values of the DCP WCR’s before the
contents of the NVM is loaded into the WCR.
ACK
returned
Issue Slave Address
Byte (Read or Write)
Byte load completed
by issuing STOP.
Enter ACK Polling
Issue STOP
Issue START
NO
YES
High Voltage Cycle
complete. Continue
command sequence
Issue STOP
NO
Continue normal
Read or Write
command sequence
PROCEED
YES
Figure 5.
Acknowledge Polling Sequence
DECODER
RESISTOR
ARRAY
R
Hx
FET
SWITCHES
R
Lx
R
Wx
0
1
2
N
WIPER
COUNTER
REGISTER
(WCR)
NON
MEMORY
(NVM)
VOLATILE
“WIPER”
Figure 6.
DCP Internal Structure
DCP
Initial Values Before Recall
V
L
/ TAP = 0
V
H
/ TAP = 255
R
1
/ 100 TAP
R
2
/ 256 TAP
X9523
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PDF描述 |
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| X9523B20I-B | RECTIFIER FAST-RECOVERY SINGLE 3A 100V 125A-ifsm 0.95V-vf 35ns 5uA-ir DO-201AD 500/BULK |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X9523B20I-B | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Laser Diode Control for Fiber Optic Modules |
| X9523V20I-A | 功能描述:IC DUAL DCP LASER CNTRL 20TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 激光驅(qū)動器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:60 系列:- 類型:激光二極管驅(qū)動器 數(shù)據(jù)速率:- 通道數(shù):4 電源電壓:3.3V 電流 - 電源:- 電流 - 調(diào)制:- 電流 - 偏置:- 工作溫度:0°C ~ 70°C 封裝/外殼:40-TQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN EP 包裝:托盤 安裝類型:表面貼裝 |
| X9523V20I-AT1 | 功能描述:IC DCP DUAL EEPROM MEM 20-TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 激光驅(qū)動器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:60 系列:- 類型:激光二極管驅(qū)動器 數(shù)據(jù)速率:- 通道數(shù):4 電源電壓:3.3V 電流 - 電源:- 電流 - 調(diào)制:- 電流 - 偏置:- 工作溫度:0°C ~ 70°C 封裝/外殼:40-TQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN EP 包裝:托盤 安裝類型:表面貼裝 |
| X9523V20I-B | 功能描述:IC DUAL DCP LASER CNTRL 20TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 激光驅(qū)動器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:60 系列:- 類型:激光二極管驅(qū)動器 數(shù)據(jù)速率:- 通道數(shù):4 電源電壓:3.3V 電流 - 電源:- 電流 - 調(diào)制:- 電流 - 偏置:- 工作溫度:0°C ~ 70°C 封裝/外殼:40-TQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN EP 包裝:托盤 安裝類型:表面貼裝 |
| X9523V20I-BT1 | 功能描述:IC DCP DUAL EEPROM MEM 20-TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 激光驅(qū)動器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:60 系列:- 類型:激光二極管驅(qū)動器 數(shù)據(jù)速率:- 通道數(shù):4 電源電壓:3.3V 電流 - 電源:- 電流 - 調(diào)制:- 電流 - 偏置:- 工作溫度:0°C ~ 70°C 封裝/外殼:40-TQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN EP 包裝:托盤 安裝類型:表面貼裝 |
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