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參數(shù)資料
| 型號(hào)： | X9523V20I-A |
| 廠商： | INTERSIL CORP |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | Laser Diode Control for Fiber Optic Modules |
| 中文描述： | DIGITAL POTENTIOMETER, PDSO20 |
| 封裝： | PLASTIC, TSSOP-20 |
| 文件頁(yè)數(shù)： | 14/30頁(yè) |
| 文件大?。?/td> | 509K |
| 代理商： | X9523V20I-A |
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14
FN8209.0
March 10, 2005
V
TRIPX
THRESHOLDS (X = 1,2,3)
The X9523 is shipped with pre-programmed threshold
(V
TRIPx
) voltages. In applications where the required
thresholds are different from the default values, or if a
higher precision/tolerance is required, the X9523 trip
points may be adjusted by the user, using the steps
detailed below.
Setting a V
TRIPx
Voltage (x = 1,2,3)
There are two procedures used to set the threshold
voltages (V
TRIPx
), depending if the threshold voltage
to be stored is higher or lower than the present value.
For example, if the present V
TRIPx
is 2.9 V and the
new V
TRIPx
is 3.2 V, the new voltage can be stored
directly into the V
TRIPx
cell. If however, the new setting
is to be lower than the present setting, then it is neces-
sary to “reset” the V
TRIPx
voltage before setting the
new value.
Setting a Higher V
TRIPx
Voltage (x = 1,2,3)
To set a V
TRIPx
threshold to a new voltage which is
higher than the present threshold, the user must apply
the desired V
TRIPx
threshold voltage to the corre-
sponding input pin (V1/Vcc, V2 or V3). Then, a pro-
gramming voltage (Vp) must be applied to the WP pin
before a START condition is set up on SDA. Next, issue
on the SDA pin the Slave Address A0h, followed by
the Byte Address 01h for V
TRIP1
, 09h for V
TRIP2
, and
0Dh for V
TRIP3
, and a 00h Data Byte in order to pro-
gram V
TRIPx
. The STOP bit following a valid write
operation initiates the programming sequence. Pin WP
must then be brought LOW to complete the operation
(See Figure 18). The user does not have to set the
WEL bit in the CONSTAT register before performing
this write sequence.
0 1 2 3 4 5 6 7
SCL
SDA
A0h
0 1 2 3 4 5 6 7
WP
V
P
0 1 2 3 4 5 6 7
V
TRIPx
V2, V3
01h
sets
V
TRIP1
09h
sets
V
TRIP2
0Dh
sets
V
TRIP3
Figure 17. Setting V
TRIPx
to a higher level (x = 1,2,3).
Data Byte
V1 / Vcc
00h
S
T
A
R
T
All others Reserved.
SDA
A0h
0 1 2 3 4 5 6 7
SCL
0 1 2 3 4 5 6 7
WP
V
P
0 1 2 3 4 5 6 7
Figure 18. Resetting the V
TRIPx
Level
03h
Resets
VTRIP1
0Bh
Resets
VTRIP2
0Fh
Resets
VTRIP3
Data Byte
00h
S
T
A
R
T
All others Reserved.
X9523
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| 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(dòng)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(dòng)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(pán) 供應(yīng)商設(shè)備封裝:40-TQFN EP 包裝:托盤(pán) 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(dòng)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(dòng)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(pán) 供應(yīng)商設(shè)備封裝:40-TQFN EP 包裝:托盤(pán) 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(dòng)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(dòng)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(pán) 供應(yīng)商設(shè)備封裝:40-TQFN EP 包裝:托盤(pán) 安裝類型:表面貼裝 |
| X9523V20IZ-A | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Laser Diode Control for Fiber Optic Modules |
| X9523V20IZ-B | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Laser Diode Control for Fiber Optic Modules |
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