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參數(shù)資料
| 型號： | MAX3740ETG |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 其它接口 |
| 英文描述： | 3.2Gbps SFP VCSEL Driver with Diagnostic Monitors |
| 中文描述： | SPECIALTY INTERFACE CIRCUIT, QCC24 |
| 封裝： | 4 X 4 X 0.80 MM, QFN-24 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大小： | 818K |
| 代理商： | MAX3740ETG |
General Description
The MAX3740 is a high-speed VCSEL driver for small-
form-factor (SFF) and small-form-factor pluggable (SFP)
fiber optic LAN transmitters. It contains a bias genera-
tor, a laser modulator, and comprehensive safety fea-
tures. The automatic power control (APC) adjusts the
laser bias current to maintain average optical power
over changes in temperature and laser properties. The
driver accommodates common cathode and differential
configurations.
The MAX3740 operates up to 3.2Gbps. It can switch up
to 15mA of laser modulation current and source up to
15mA of bias current. Adjustable temperature compen-
sation is provided to keep the optical extinction ratio
within specifications over the operating temperature
range. The MAX3740 interfaces with the Dallas DS1858
to meet SFF-8472 timing and diagnostic requirements.
The MAX3740 accommodates various VCSEL pack-
ages, including low-cost TO-46 headers.
The MAX3740 safety circuit detects faults that could
cause hazardous light levels and disables the VCSEL
output. The safety circuits are compliant with SFF and
SFP multisource agreements (MSA).
The MAX3740 is available in a compact 4mm
4mm,
24-pin thin QFN package and operates over the -40°C
to +85°C temperature range.
Applications
Multirate (1Gbps to 3.2Gbps) SFP/SFF Modules
Gigabit Ethernet Optical Transmitters
Fibre Channel Optical Transmitters
Infiniband Optical Transmitters
Features
o
Supports all SFF-8472 Digital Diagnostics
o
2mA to 15mA Modulation Current
o
1mA to 15mA Bias Current
o
Optional Peaking Current to Improve VCSEL Edge
Speed
o
Supports Common Cathode and Differential
Configuration
o
Automatic Power Control
o
Safety Circuits Compliant with SFF and SFP
MSAs
o
4mm
4mm 24-Pin Thin QFN Package
M
3.2Gbps SFP VCSEL Driver with Diagnostic
Monitors
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
Ordering Information
OPTIONAL COMPONENT
*FERRITE BEAD
V
CC
PEAKSET
IN+
IN-
TX_DISABLE
SQUELCH
R
BIASSET
R
PEAKSET
R
BIASMON
TC1
TC2
BIGND
+3.3V
0.01
μ
F
0.01
μ
F
0.1
μ
F
0.1
μ
F
0.047
μ
F
R
F
R
TC
C
F
L1*
FAULT
PWRMON
MODSET
BIASMON
REF
COMP
MD
BIAS
OUT+
OUT-
50
4.7k
IN1
MON2
H0
H1
OUT1
FAULT
MON1
L0
L1
MAX3740
DS1858
19-2679; Rev 2; 7/03
PART
TEMP RANGE
-40
°
C to +85
°
C
PIN-PACKAGE
24 Thin QFN (4mm
4mm)
MAX3740ETG
Typical Application Circuit
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX3741 | Full-Duplex LVDM Transceiver 8-SOIC -40 to 85 |
| MAX3741ETE | Full-Duplex LVDM Transceiver 14-SOIC -40 to 85 |
| MAX3746 | Full-Duplex LVDM Transceiver 14-TSSOP -40 to 85 |
| MAX3746ETE | Dual Multiplexed LVDM Repeater 16-SOIC -40 to 85 |
| MAX3747 | Dual Multiplexed LVDM Repeater 16-SOIC -40 to 85 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3740ETG-T | 制造商:Maxim Integrated Products 功能描述:3.2GBPS SFP VCSEL DRIVER WITH DIAGNOSTIC MONI - Tape and Reel |
| MAX3741ETE | 功能描述:通信集成電路 - 若干 RoHS:否 制造商:Maxim Integrated 類型:Transport Devices 封裝 / 箱體:TECSBGA-256 數(shù)據(jù)速率:100 Mbps 電源電壓-最大:1.89 V, 3.465 V 電源電壓-最小:1.71 V, 3.135 V 電源電流:50 mA, 225 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| MAX3741ETE-T | 功能描述:通信集成電路 - 若干 RoHS:否 制造商:Maxim Integrated 類型:Transport Devices 封裝 / 箱體:TECSBGA-256 數(shù)據(jù)速率:100 Mbps 電源電壓-最大:1.89 V, 3.465 V 電源電壓-最小:1.71 V, 3.135 V 電源電流:50 mA, 225 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| MAX3741EVKIT | 功能描述:通信集成電路 - 若干 RoHS:否 制造商:Maxim Integrated 類型:Transport Devices 封裝 / 箱體:TECSBGA-256 數(shù)據(jù)速率:100 Mbps 電源電壓-最大:1.89 V, 3.465 V 電源電壓-最小:1.71 V, 3.135 V 電源電流:50 mA, 225 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| MAX3741HETE | 制造商:Maxim Integrated Products 功能描述:3.2GBPS COMPACT SFP VCSEL DRIVER - Rail/Tube |
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