參數(shù)資料
型號(hào)： M66515
廠商： Mitsubishi Electric Corporation
英文描述： LASER-DIODE DRIVER/CONTROLLER
中文描述： 激光二極管驅(qū)動(dòng)器/控制器
文件頁數(shù)： 4/7頁
文件大?。?/td> 174K
代理商： M66515
4
MITSUBISHI
DIGITAL ASSP
M66515FP
LASER-DIODE DRIVER/CONTROLLER
Output
Fixed to “L”
High impedance state (hold)
Constant current sourcing (sample)
Constant current sinking (sample)
Input
S/H
×
H
ENB
H
L
L
L
V
M
, V
r
×
×
V
M
< V
r
V
M
> V
r
FUNCTION TABLE
Switch condition
SW1
OFF
OFF
ON
OFF
SW2
OFF
OFF
OFF
ON
T
r
1
ON
OFF
OFF
OFF
×
: Don’t care
(2) APC Timing Chart
The following diagram is an APC timing chart, operation of
which is based on sample hold control signals.
Note that in the example it is assumed that the leak current
occurring at the C
H
pin under hold condition flows out from
the M66515 (in the negative direction).
7. Vcc and GND Pins
Pins related to the power supply function are Vcc 1, Vcc 2,
GND 1, and GND 2. The role of these pins in terms of the in-
ternal circuits are as follows.
Vcc 1, GND 1: connected to analog circuits
Vcc 2, GND 2: connected to digital circuits
In practical wiring, the following should be noted.
(1) Secure as much a width as possible for conductors and
avoid lengthy wiring.
(2) Allocate electrolytic capacitors for stable voltage near
vcc1 and GND 1.
(3) Allocate by-pass capacitors near Vcc2 and GND 2.
Notes on the Wiring for Peripheral Components
Lay out peripheral components necessary for the M66515 to
operate in closest possible proximity to the M66515.
Calculation Method for Power Dissipation
The approximate power dissipation, P, of the M66515FP is
determined by the following equation.
P = Icc
×
Vcc + I
(RO)
×
V
(RO)
+ I
(LD)
×
V
(LD)
where V
(RO)
:
voltage at RO pin
V
(LD)
: voltage at LD pin
I
(RO)
: load current at RO pin
I
(LD)
: load current at LD pin
If, for example, Vcc = 5.25V, V
(RO)
= V
(LD)
= 2.5V, and I
(RO)
=
I
(LD)
= 150mA, power dissipation at times of turning laser on
and off will be as follows.
(1) Laser ON (DATA = “L” and Icc = 75mA)
P
ON
= 75
×
5.25 + 0 + 150
×
2.5 = 768.8 (mW)
(2) Laser OFF (DATA = “H” and Icc = 74mA)
P
OFF
= 74
×
5.25 + 150
×
2.5 + 0 = 763.5 (mW)
APC Timing Chart
I
LD
Power supply
ENB input
S/H input
S
Hold
DATA input
Laser drive current
Hold
S
S
Hold
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M66515FP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:LASER-DIODE DRIVER/CONTROLLER
M66515FP#TC2J 功能描述:IC LASR CTRLR 40MBPS 5.25V 20SOP RoHS:是 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 供應(yīng)商設(shè)備封裝:40-TQFN EP 包裝:托盤 安裝類型:表面貼裝
M66515FP(#TC2J) 制造商:Renesas Electronics Corporation 功能描述:
M66516FP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:LASER-DIODE DRIVER/CONTROLLER
M6657 制造商:Tamura Corporation of America 功能描述:
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