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參數(shù)資料
| 型號(hào)： | MAX3261 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 32-Bit Digital Signal Controller with Flash 100-LQFP -40 to 125 |
| 中文描述： | 不推薦用于新設(shè)計(jì) |
| 文件頁(yè)數(shù)： | 5/12頁(yè) |
| 文件大?。?/td> | 230K |
| 代理商： | MAX3261 |
M
S ingle +5V, Fully Integrated,
1.25Gbps Laser Diode Driver
_______________________________________________________________________________________
5
______________________________________________________________Pin Desc ription
NAME
FUNCTION
1, 2, 25,
27, 29
3
GNDA
Ground for Bias and Modulation Current Drivers
IPIN
Monitor Photodiode Current Input. Connect IPIN to photodiode’s anode.
Slow-Start Capacitor Input. Connect capacitor to ground or leave unconnected to set start-up time,
t
STARTUP
= 25.4k
(C
SLWSTRT
+ 2pF).
PIN
4
SLWSTRT
5, 9,
11, 13
6
GNDB
Ground for Voltage Reference and Automatic Power-Control Circuitry
8
FAILOUT
Failout Output. Active-low, open-collector TTL output indicates if automatic power-control loop is out
of regulation due to insufficient monitor-diode current (when V
IPIN
is below the 2.6V threshold).
Connect FAILOUT to V
CC_
through a 2.7k
pull-up resistor.
Noninverting PECL Data Input
7
IPINSET
Monitor Photodiode Programming Input. Connect IPINSET to VREF1 or VREF2 through a resistor to
set the monitor current when using automatic power control (see Typical Operating Characteristics).
VREF2
Temperature-Compensated Reference Output. VREF2 is internally connected to VREF1.
19
VREF1
Temperature-Compensated Reference Output. VREF1 is internally connected to VREF2.
Overshoot-Adjust Input. Connect to internal voltage reference through a resistor to adjust the over-
shoot of the modulation output signal (see Typical Operating Characteristics).
16
17
ENB-
ENB+
Inverting Enable TTL Input. Output currents are enabled only when ENB+ is high and ENB- is low.
Noninverting Enable TTL Input. Output currents are enabled only when ENB+ is high and ENB- is low.
14, 15, 18
V
CC
B
+5V Supply Voltage for Voltage Reference and Automatic Power-Control Circuitry. Connect V
CC
B to
the same potential as V
CC
A, but provide separate bypassing for V
CC
A and V
CC
B.
12
VIN-
Inverting PECL Data Input
10
VIN+
21
IBIASFB
Bias-Feedback Current Output. Output from automatic power-control circuit. Connect to I
BIASSET
when using APC.
Laser Bias Current-Programming Input. Connect to internal voltage reference through a resistor to set
bias current (see Typical Operating Characteristics). I
IBIASOUT
= 40 x (I
IBIASSET
+ I
IBIASFB
).
Laser Modulation Current-Programming Input. Connect to internal voltage reference through a resistor
to set modulation current (see Typical Operating Characteristics). I
MOD
= 20 x I
IMODSET
.
Laser Bias Current Output. Connect to laser cathode through an R-L compensation network (see the
Bias Network Compensationsection).
Modulation Output. When VIN+ is high and VIN- is low, OUT- sinks I
MOD
.
Modulation Output. When VIN+ is low and VIN- is high, OUT+ sinks I
MOD
.
20
OSADJ
22
IBIASSET
23
IMODSET
24
IBIASOUT
26
28
OUT-
OUT+
30, 31, 32
V
CC
A
+5V Supply Voltage for Bias and Modulation Current Drivers. Connect V
CC
A to the same potential as
V
CC
B, but provide separate bypassing for V
CC
A and V
CC
B.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3261C/D DIE | 制造商:Maxim Integrated Products 功能描述: |
| MAX3261CCJ | 功能描述:激光驅(qū)動(dòng)器 RoHS:否 制造商:Micrel 數(shù)據(jù)速率:4.25 Gbps 工作電源電壓:3 V to 3.6 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-16 封裝:Tube |
| MAX3261CCJ-T | 功能描述:激光驅(qū)動(dòng)器 RoHS:否 制造商:Micrel 數(shù)據(jù)速率:4.25 Gbps 工作電源電壓:3 V to 3.6 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-16 封裝:Tube |
| MAX3261EVKIT-SO | 功能描述:電源管理IC開(kāi)發(fā)工具 RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| MAX3262C/D DIE | 制造商:Maxim Integrated Products 功能描述: |
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