AZ88943 Просмотр технического описания (PDF) - AZ Microtek
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AZ88943 Datasheet PDF : 5 Pages
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ARIZONA MICROTEK, INC.
AZ88943
High-Speed Limiting Post Amplifier
FEATURES
• Up to 2.5Gbps operation
• Differential PECL Inputs
• Differential PECL Outputs
• Open Drain TTL/CMOS SD Output
• TTL/CMOS Enable Input
• High-Speed SiGe Process
DESCRIPTION
PACKAGE AVAILABILITY
PACKAGE
TSSOP 10
TSSOP 10 T&R
TSSOP 10 T&R
PART NO.
AZ88943T
AZ88943TR1
AZ88943TR2
MARKING
AZ88943
AZ88943
AZ88943
The AZ88943 is a limiting post amplifier usable at data rates up to 2.5Gbps. It is ideal for use as a post
amplifier following a transimpedance amplifier.
The AZ88943 contains a programmable signal detect function to determine when the input signal is present.
This information can be used with the /EN input pin to disable the output under loss of signal conditions. The detect
threshold can be set with a resistor divider between VCC and VREF. The SD output is an open drain compatible with
CMOS and TTL.
The outputs produce standard PECL 100K voltage compensated levels.
PIN DESCRIPTION
PIN
DIN, /DIN
DOUT, /DOUT
/EN
SDLVL
SD
VREF
VCC
GND
FUNCTION
Differential Inputs
PECL Outputs
Output Enable
Signal Detect Threshold
SD Output
Reference Voltage Output
Positive Voltage
Ground
PINOUT ASSIGNMENT
BLOCK DIAGRAM
DIN
/DIN
DOUT
/DOUT
/EN
/EN 1
10 VCC
VREF
DIN
2
9 DOUT
TSSOP-10
SDLVL
SD
/DIN 3
8 /DOUT
VREF
4
SDLVL
5
7 SD
6 GND
1630 S. STAPLEY DR., SUITE 125 • MESA, ARIZONA 85204 • USA • (480) 962-5881 • FAX (480) 890-2541
www.azmicrotek.com
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