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| 型号： | MAX3656ETG+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 2/15页 |
| 文件大小： | 0K |
| 描述： | IC LASR DRVR 2.5GBPS 3.6V 24TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | 激光二极管驱动器（光纤） |
| 数据速率： | 2.5Gbps |
| 通道数： | 1 |
| 电源电压： | 3 V ~ 3.6 V |
| 电流 - 电源： | 40mA |
| 电流 - 调制： | 85mA |
| 电流 - 偏置： | 70mA |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 供应商设备封装： | 24-TQFN-EP（4x4） |
| 包装： | 标准包装 |
| 安装类型： | 表面贴装 |
| 产品目录页面： | 1423 (CN2011-ZH PDF) |
| 其它名称： | MAX3656ETG+TDKR |
155Mbps to 2.5Gbps Burst-Mode
Laser Driver
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, V CC ..............................................-0.5V to +6.0V
Current into BIAS+, BIAS-, OUT+, OUT- ........-20mA to +150mA
Current into MD.................................................... -5mA to +5mA
Current into FAIL ...............................................-10mA to +10mA
Voltage at IN+, IN-, BEN+, BEN-, EN ,
LONGB ...................................................-0.5V to (V CC + 0.5V)
Voltage at MODSET, APCSET, BIASMAX .............-0.5V to +3.0V
Voltage at OUT+, OUT-.............................+0.5V to (V CC + 1.5V)
Voltage at BIAS+, BIAS-............................+0.5V to (V CC + 0.5V)
Continuous Power Dissipation (T A = +85°C)
24-Lead Thin QFN
(derate 27.8mW/°C above +85°C) .............................1805mW
Operating Ambient Temperature Range (T A )......-40°C to +85°C
Storage Ambient Temperature Range (T STG ) ...-55°C to +150°C
Lead Temperature (soldering,10s) ..................................+300°C
Soldering Temperature (reflow)
Lead(Pb)-free...............................................................+260°C
Containing lead(Pb) .....................................................+240°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
OPERATING CONDITIONS
PARAMETER
Supply Voltage
Supply Turn-On Time
SYMBOL
V CC
10% to 90%
CONDITIONS
MIN
3.0
0.001
TYP
3.3
MAX
3.6
10
UNITS
V
ms
Ambient Temperature
Data Mark Density
Consecutive Identical Digits
Data Rate
CID
Average
-40
155
50
+85
80
2500
° C
%
Bits
Mbps
Monitor Diode Capacitance
C MD
For minimum burst on-time (Note 1)
15
pF
Laser-to-Monitor Diode Gain
Extinction Ratio
A LMD
r e
Δ (monitor current)/ Δ (laser current (above I TH ))
(Notes 2, 3)
10 log (P 1 /P 0 ) (Note 3)
0.005
8.2
0.050
12.0
A/A
dB
A LMD = ?
? ?
?
Note 1: Larger MD capacitance increases the minimum burst on-time.
Note 2: Laser-to-monitor gain equals the laser slope efficiency multiplied by the photodiode responsivity multiplied by the losses due
to laser-to-monitor diode coupling (A LMD = η LASER ? ρ MONITORDIODE ? L LASER-TO-MONITORDIODE ).
where L = laser-to-monitor diode coupling loss. A LMD can also be calculated by:
? 2 × I ? ? r ? I ?
MD e
? I MOD ? ? r e + I ?
where I MD , I MOD , and r e (extinction ratio) are set externally.
Note 3: Operation outside this range degrades APC loop performance.
ELECTRICAL CHARACTERISTICS
(Typical values are at V CC = +3.3V, I BIAS = 20mA, I MOD = 25mA, extinction ratio = 10dB, and T A = +25 ° C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
POWER SUPPLY
Power-Supply Current
I CC
(Note 1)
40
70
mA
INPUT SPECIFICATIONS
Differential Input Voltage
V IN , V BEN
0.2
1.6
V P-P
Common-Mode Input Voltage
V CM
V CC -
1.49
V CC -
1.32
V CC -
V IN /4
V
2
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