Datasheet > TQ8318

TQ8318

更新时间： 2024-09-18 23:37:31

品牌	Logo	应用领域
其他 - ETC		电信集成电路光电二极管异步传输模式 ATM
页数	文件大小	规格书
10页	461K
描述
Telecommunication IC

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中文翻译

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数据手册

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TQ8318 数据手册

S E M I C O N D U C T O R , I N C .

VSYMX

VLEVEL

GND

28 VEE

TQ8318/19

PRELIMINARY DATA SHEET

27 VEE

OC192/STM64

E/O Driver

VEE

26 GND

N.C.

25 BIAS

Features

N.C.

24 DRIVEGND

50Ω

• High performance fully back-

23 DRIVEGND

GND

terminated 20mA/1V to 60mA/

3V modulation output driver

(TQ8318)

50Ω

DIN

22 NDOUT

21 DOUT

20 DRIVEGND

19 DRIVEGND

18 VEE

NDIN

GND

• Also available without back-

terminations for 25 ohm, 40 mA

to 120mA applications (TQ8319)

50Ω

VTT

• Output can drive direct coupled

Electro-Absorptive Modulator

(EAM/EML), or AC coupled

differential

modulator or Direct Modulated

Laser (DML)

VDD

VEE

GND

17 VEE

Mach-Zehnder

50Ω

5Ω

VSEN10

VSEN1

16 N.C.

• NRZ data rates to 10.8Gbs

• Output symmetry adjust

• 0 to 1.0V output offset control

• 32ps max output risetime

15 GND

* Downset paddle is GND

The TQ8318/TQ8319 is a low jitter, high performance electro-optic driver

intended for directly interfacing CML outputs from a multiplexer or clock

recoverydevicetovariousEOdevices, includingcooledanduncooledDFBand

FP lasers, high power VCSEL arrays, EA modulators and differential Mach-

Zehnder (MZ) modulators. The TQ8318 and the TriQuint TGA1328/8652 can

be used in combination for single ended 9V MZ drive applications. The

TQ8318/19’s symmetry and level controls, low additive jitter, and excellent

rise/fall times while driving significant loads allow the highest system level

performance at low cost. The devices also include an offset control to allow

adjustment of DC bias between 0V and -1V for EAM/EML, or 0-40mA for laser

threshold, applications. The 28 pin TSSOP footprint and low jitter makes the

devices particularly suitable for high port count WDM circuit packs and

modules, and for optical modules. These devices are compatible with

CMOS, SiGe or GaAs muxes with CML, eLVDS, or LVPECL outputs.

• +3.3V CML direct coupled input

can be AC coupled for eLVDS

and LVPECL inputs

• 28 pin TSSOP small outline

package or die

• 0°C to +110°C case operating

temperature range

Applications

• DML with drive to 120mA

• Single-ended 50 ohm 1.0-3.0V

EAM/EML driver (DC coupled with

integral 0 to -1V offset)

• 6V differential 50 ohm Mach-

Zehnder driver (AC coupled)

12 3 4 5 6 7...10

中文翻译

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