SY88923 Просмотр технического описания (PDF) - Micrel
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SY88923 Datasheet PDF : 6 Pages
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Micrel, Inc.
SY88923
PACKAGE/ORDERING INFORMATION
/EN 1
DIN 2
/DIN 3
VREF 4
LOSLVL 5
MSOP
K10-1
10 VCC
9 DOUT
8 /DOUT
7 LOS
6 GND
10-Pin MSOP (K10-1)
Ordering Information
Part Number
SY88923KC
SY88923KCTR(1)
SY88923KG
Package
Type
K10-1
K10-1
K10-1
Operating
Range
Commercial
Commercial
Industrial
SY88923KGTR(1)
K10-1
Industrial
Note:
1. Tape and Reel.
Package
Marking
923
923
923 with
Pb-Free bar-line indicator
923 with
Pb-Free bar-line indicator
Lead
Finish
Sn-Pb
Sn-Pb
Pb-Free
NiPdAu
Pb-Free
NiPdAu
PIN NAMES
Pin
DIN
/DIN
LOS LVL
/EN
LOS
GND
/DOUT
DOUT
VCC
VREF
Type
Data Input
Data Input
Input
TTL Input
TTL Output
(Open Collector)
Ground
PECL Output
PECL Output
Power Supply
Output
Function
Data Input
Inverting Data Input
LOS Limit Set
Output Enable (Active Low)
Loss of Signal Indicator
(Active High)
Ground
Inverting Data Output
Data Output
Positive Power Supply
Reference Voltage Output for
LOS Level Set (see Fig. 3)
GENERAL DESCRIPTION
General
The SY88923 is an integrated limiting amplifier intended
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 SY88923
limiting amplifier quantizes the signal and outputs a voltage-
limited waveform.
The /EN pin allows the user to disable the output signal
without removing the input signal.
ABSOLUTE MAXIMUM RATINGS(1)
Symbol
VCC
DIN, /DIN
DOUT, /DOUT
TA
Tstore
Rating
Power Supply Voltage
Input Voltage
Output Voltage (with 50Ω load)
Operating Temperature Range
Storage Temperature Range
Value
Unit
0 to +7.0
V
0 to VCC
V
VCC –2.5, VCC +0.3
V
–40 to +85
°C
–55 to +125
°C
Note:
1. Permanent device damage may occur if absolute maximum ratings are exceeded. This is a stress rating only and functional operation is not implied at
conditions other than those detailed in the operational sections of this data sheet. Exposure to absolute maximum ratlng conditions for extended periods
may affect device reliability.
M9999-061907
hbwhelp@micrel.com or (408) 955-1690
2
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