參數資料
| 型號： | SY88403BLMG TR |
| 廠商： | Micrel Inc |
| 文件頁數： | 1/12頁 |
| 文件大小： | 0K |
| 描述： | IC AMP LIMIT CML TTL LOS 16MLF |
| 標準包裝： | 1 |
| 類型： | 限幅后置放大器 |
| 應用： | 光纖學網絡 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-VFQFN 裸露焊盤，16-MLF? |
| 供應商設備封裝： | 16-MLF?（3x3） |
| 包裝： | 標準包裝 |
| 產品目錄頁面： | 1089 (CN2011-ZH PDF) |
| 其它名稱： | 576-1474-6 |
SY88403BL
3.3V 4.25Gbps CML Low-Power Limiting
Post Amplifier with TTL LOS
Micrel Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel +1 (408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com
November 2008
M9999-111808-F
hbwhelp@micrel.com or (408) 955-1690
General Description
The SY88403BL is a low-power limiting post amplifier
optimized
for
copper
applications.
The
device
connects to typical transimpedance amplifiers (TIAs).
The linear signal output from TIAs can contain
significant amounts of
noise
and may vary in
amplitude over time. The SY88403BL quantizes these
signals and outputs typically 800mVPP voltage-limited
waveforms.
The SY88403BL operates from a single +3.3V ±10%
power supply, over an industrial temperature range of
–40°C to +85°C. With its wide bandwidth and high
gain, signals with data rates up to 4.25Gbps and as
small as 5mVPP can be amplified to drive devices with
CML inputs or AC-coupled PECL inputs.
The SY88403BL incorporates a loss-of-signal (LOS)
open-collector TTL output with internal 4.75k
Ω pull-up
resistor. A programmable loss-of-signal level set pin
(LOSLVL) sets the sensitivity of the input amplitude
detection. LOS asserts high if the input amplitude falls
below the threshold set by LOSLVL and de-asserts
low otherwise. LOS can be fed back to the enable bar
(/EN) input to maintain output stability under a loss of
signal condition. /EN de-asserts the true output signal
without removing the input signal. Typically, 3.5dB
LOS hysteresis is provided to prevent chattering.
All support documentation can be found on Micrel’s
web site at: www.micrel.com.
Typical Performance
Features
Multi-rate up to 4.25Gbps operation
5mV
PP input sensitivity
Low noise 50
CML data outputs
– 800mVpp output swing
– 60ps edge rates
– 1psRMS typ. random jitter
– 10psPP typ. deterministic jitter
Chatter-free Loss-of-Signal (LOS) output
– 3.5dB electrical hysteresis
– OC-TTL output with internal 4.75k
pull-up
resistor
Programmable LOS sensitivity using single
external resistor
Internal 50
data input termination
TTL /EN input allows feedback from LOS
Wide operating range:
– Single 3.3V ±10% power supply
– Industrial temperature range: –40°C to +85°C
Available in a 10-pin EPAD-MSOP and 16-pin QFN
package
Applications
1.062Gbps, 2.125Gbps and 4.25Gbps Fibre
Channel
Cable driver
Small form factor (SFF) and small form factor
pluggable (SFP) transceivers
High-gain line driver and line receiver
Markets
Copper interconnect
Datacom and telecom
Storage area network (SAN)
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