SY88903VKG Micrel Inc, SY88903VKG Datasheet

SY88903VKG

Manufacturer Part Number

SY88903VKG

Description

IC AMP POST PECL 3.3V TTL 10MSOP

Manufacturer

Micrel Inc

Type

Limiting Postamplifierr

Datasheet

1.SY88903VKG.pdf (6 pages)

Specifications of SY88903VKG

Applications

Optical Networks

Mounting Type

Surface Mount

Package / Case

10-MSOP, Micro10™, 10-uMAX, 10-uSOP

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

576-2072-5
SY88903VKG

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

SY88903VKG

Manufacturer:

MICREL

Quantity:

80 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

SY88903VKG

Manufacturer:

MICREL

Quantity:

20 000

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

SY88903VKG TR

Manufacturer:

MICREL

Quantity:

10 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

SY88903VKGTR

Manufacturer:

MICREL/麦瑞

Quantity:

20 000

Current page: 1 of 6
Download datasheet (474Kb)

Micrel, Inc.

■ 3.3V and 5V power supply option

■ Up to 1.25Gbps operation

■ Low noise

■ Chatter-free LOS generation

■ Open collector TTL LOS output

■ TTL /EN Input

■ Differential PECL inputs for data

■ Single power supply

■ Designed for use with laser diode driver and

■ Available in a tiny 10-pin (3mm × × × × × 3mm) MSOP

■ 1.25Gbps Gigabit Ethernet

■ 531Mbps and 1062Mbps Fibre Channel

■ 622Mbps SONET

■ Gigabit Interface Converter

M9999-111307

hbwhelp@micrel.com or (408) 955-1690

LOS

FEATURES

APPLICATIONS

BLOCK DIAGRAM

controller

GND

REF

LVL

Limiting

Amplifer

Level

Detect

ECL

Buffer

Enable

5V/3.3V 1.25Gbps HIGH-SPEED

LIMITING POST AMPLIFIER

LOS

OUT

and wide bandwidth is ideal for use as a post amplifier in

fiber optic receivers with data rates up to 1.25Gbps. Signals

as small as 5mV

PECL inputs. The SY88903V generates a chatter-free, Loss-

-of-Signal (LOS), open-collector TTL output.

for high-frequency fiber optic applications. The circuit

connects to typical transimpedance amplifiers found within

a fiber optics link. The linear signal output from a

transimpedance amplifier can contain significant amounts

of noise, and may vary in amplitude over time. The

SY88903V limiting amplifier quantizes the signal and outputs

a voltage-limited waveform.

without removing the input signal.

function to identify when the input signal has been lost.

This information can be fed back to the /EN input of the

device to maintain stability under loss of signal condition.

The sensitivity of the level detection can be adjusted using

LOS

resistor divider between V

3. “Typical Characteristics” show the relationship between

input level sensitivity and the voltage set on LOS

requires a pull-up resistor for proper operation, Figure 1.

site at www.micrel.com.

DESCRIPTION

The SY88903V limiting post amplifier with its high gain

The SY88903V is an integrated limiting amplifier intended

The /EN pin allows the user to disable the output signal

The SY88903V incorporates a programmable level detect

The LOS output is a TTL open-collector output that

All support documentation can be found on Micrel’s web

LVL

Figure 1. LOS Output with Desired Rise Time

. The LOS

LVL

can be amplified to drive devices with

SY88903V

voltage can be set by connecting a

LOS

and V

2.5kΩ

REF

as shown in Figure

Rev.: F

Issue Date: November 2007

SY88903V

LVL

Amendment: /0

SY88903V

Related parts for SY88903VKG

SY88903VKG Summary of contents

Page 1

Micrel, Inc. FEATURES ■ 3.3V and 5V power supply option ■ 1.25Gbps operation ■ Low noise ■ Chatter-free LOS generation ■ Open collector TTL LOS output ■ TTL /EN Input ■ Differential PECL inputs for data ■ Single ...

Page 2

... Ordering Information Package Part Number Type SY88903VKC K10-1 (2) SY88903VKCTR K10-1 SY88903VKG K10-1 (2) SY88903VKGTR K10-1 Notes: 1. Contact factory for die availability. Die is guaranteed Tape and Reel. Type Pin Function TTL Input Output Enable (Active Low). Data Input Data Input. Data Input Inverting Data Input. ...

Page 3

Micrel, Inc. Absolute Maximum Ratings Supply Voltage (V ) ....................................... 0V to +7.0V CC Input Voltage ( /EN, LOS IN IN LVL Output Voltage ( with 50Ω Load ... V OUT OUT (VREF) ............................................ ...

Page 4

Micrel, Inc. AC ELECTRICAL CHARACTERISTICS V = +5V ±10% or +3.3V ±10 LOAD Symbol Parameter (3) PSRR Power Supply Rejection Ratio V Input Voltage Range Output Rise/Fall Time Differential Output OD ...

Page 5

Micrel, Inc. DESIGN PROCEDURE Output Termination The SY88903V outputs must be terminated with a 50Ω load to V –2V (or Thevenin equivalent). CC Layout and PCB Design Since the SY88903V is a high-frequency component, performance can largely be determined by ...

Page 6

Micrel, Inc. 10-PIN MSOP (K10-1) MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA + 1 (408) 944-0800 TEL The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, no responsibility is ...

Related keywords

sy88923
sy88903
sy88993
sy88933
sy88903v
sy88993v
sy88953l
SY88903VKG datasheet
SY88903VKG data sheet
SY88903VKG pdf datasheet
SY88903VKG component
SY88903VKG part
SY88903VKG distributor
SY88903VKG RoHS
SY88903VKG datasheet download