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AZ88923

型号:

AZ88923

描述:

高速限幅后置放大器[ High-Speed Limiting Post Amplifier ]

品牌:

AZM[ ARIZONA MICROTEK, INC ]

页数:

5 页

PDF大小:

57 K

ARIZONA MICROTEK, INC.  
AZ88923  
High-Speed Limiting Post Amplifier  
FEATURES  
PACKAGE AVAILABILITY  
Up to 2.5Gbps operation  
Differential PECL Inputs  
Differential PECL Outputs  
Open Drain TTL/CMOS LOS Output  
TTL/CMOS Enable Input  
High-Speed SiGe Process  
PACKAGE  
PART NUMBER  
MARKING NOTES  
AZ88  
1,2,3  
923  
TSSOP 10  
AZ88923U  
1
Add R1 at end of part number for 7 inch (1K parts), R2 for 13 inch (2.5K  
parts) Tape & Reel.  
Date code format: “Y” or “YY” for year followed by “WW” for week.  
Parts marked JNB for date codes prior to 4WW (prior to 2004).  
Date code “YWW” or “YYWW” on underside of part.  
2
3
4
DESCRIPTION  
The AZ88923 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 AZ88923 contains a programmable loss of signal detect function to determine when the input signal has  
been lost. This information can be used with the /EN input pin to disable the output under LOS conditions. The  
detect threshold can be set with a resistor divider between VCC and VREF. The LOS 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  
FUNCTION  
Differential Inputs  
PECL Outputs  
Output Enable  
LOSLVL  
LOS  
LOS Threshold  
LOS Output  
VREF  
VCC  
GND  
Reference Voltage Output  
Positive Voltage  
Ground  
BLOCK DIAGRAM  
DIN  
DOUT  
/DIN  
/DOUT  
/EN  
DIN  
1
2
3
4
5
10  
9
VCC  
/EN  
DOUT  
/DOUT  
LOS  
GND  
VREF  
TSSOP-10  
/DIN  
8
LOS  
7
LOSLVL  
VREF  
LOSLVL  
6
PINOUT ASSIGNMENT  
1630 S. STAPLEY DR., SUITE 127 MESA, ARIZONA 85204 USA (480) 962-5881 FAX (480) 890-2541  
www.azmicrotek.com  
AZ88923  
Absolute Maximum Ratings are those values beyond which device life may be impaired.  
Symbol  
VCC  
Parameter  
DC Supply Voltage (Referenced to GND)  
Value  
4.5  
Unit  
V
TA  
TSTG  
DIN, /DIN  
/EN  
Operating Temperature Range (In Free-Air)  
Storage Temperature Range  
Input Voltage  
-40 to +85  
-65 to +150  
0 to VCC  
°C  
°C  
V
Input Voltage  
0 to VCC  
V
LOSLVL  
VREF  
DOUT, /DOUT Output Voltage  
Input Voltage  
Output Voltage  
0 to VCC  
VCC-2V to VCC  
VCC-2V to VCC  
V
V
V
DC Characteristics (VCC = 3.0V to 3.6V, RLOAD = 50Ω to VCC-2V)  
-40°C  
0°C  
25°C  
Typ  
30  
85°C  
Symbol  
Characteristic  
Unit  
Min  
Max  
40  
Min  
Max  
40  
Min  
Max  
40  
Min  
Max  
IEE  
Power Supply Current1  
Output HIGH Voltage  
45  
VCC-  
880  
mA  
mV  
VCC  
1085  
VCC  
-
VCC  
-
VCC  
1025  
VCC  
-
VCC  
-
VCC  
1025  
VCC  
-
VCC  
-
VCC  
-
VCC  
1025  
VCC  
-
VOH  
VOL  
VIH  
880  
880  
955  
880  
-
VCC  
-
-
VCC  
-
-
VCC  
-
VCC  
-
-
VCC-  
1620  
Output LOW Voltage  
mV  
mV  
mV  
V
1830  
1555  
1810  
1620  
1810  
1705  
1620  
1810  
/EN Input HIGH  
Voltage  
2.0  
2.0  
2.0  
2.0  
/EN Input LOW  
Voltage  
VIL  
0.8  
0.8  
0.8  
0.8  
LOS Output LOW  
VOL  
VREF  
0.5  
0.5  
0.5  
0.5  
Voltage2  
Reference Voltage  
VCC  
1.38  
-
VCC  
-
VCC  
1.38  
-
VCC  
-
VCC  
1.38  
-
VCC  
-
VCC  
1.38  
-
VCC-  
V
1.26  
100  
VCC  
1.26  
100  
VCC  
1.26  
100  
VCC  
1.26  
100  
VCC  
/EN Input HIGH  
Current  
Common Mode Range  
IIH  
μA  
VCMR  
GND+2  
GND+2  
GND+2  
GND+2  
V
1.  
2.  
No output load.  
IOL = +2mA.  
AC Characteristics (VCC = 3.0V to 3.6V, RLOAD = 50Ω to VCC-2V)  
-40°C  
0°C  
25°C  
Typ  
85°C  
Symbol  
Characteristic  
Unit  
Min  
5
Max  
1800  
150  
Min  
5
Max  
1800  
150  
Min  
5
Max  
1800  
150  
Min  
5
Max  
1800  
150  
VID  
Input Voltage Range  
Rise/Fall Time  
mV  
ps  
tr / tf  
VOD  
Diff  
Out  
VID=15 mVp-p  
VID=5 mVp-p  
600  
200  
4.6  
MVp-p  
dB  
HYS  
tOFFL  
LOS Hysteresis  
LOS Release Time  
Minimum Input  
LOS Release Time  
Maximum Input  
LOS Assert Time  
2
5
8
2
5
8
2
5
8
2
5
8
0.5  
0.5  
0.1  
0.5  
0.5  
μs  
tOFFH  
0.5  
0.5  
0.1  
0.2  
0.5  
0.5  
μs  
0.5  
50  
0.5  
50  
0.5  
50  
0.5  
50  
tONL  
VSR  
μs  
MVp-p  
LOS Sensitivity Range  
November 2006 * REV - 2  
www.azmicrotek.com  
2
AZ88923  
0.1μF  
DIN  
FROM  
TRANSIMPEDANCE  
AMPLIFIER  
{
/DIN  
0.1μF  
50Ω  
50Ω  
VREF  
0.1μF  
DIFFERENTIAL INPUT CONFIGURATION  
VCC  
VCC  
>
4.7kΩ  
R1  
LOS  
LOSLVL  
R2  
VREF  
LOS OUTPUT  
LOSLVL CIRCUIT  
R2 x 1.32V  
NOTES:  
LOSLVL = VCC – 1.32V +  
R1 + R2  
R1 + R2 2.6kΩ  
November 2006 * REV - 2  
www.azmicrotek.com  
3
AZ88923  
PACKAGE DIAGRAM  
TSSOP 10  
MILLIMETERS  
DIM  
MIN  
MAX  
1.10  
0.15  
0.95  
A
A1  
A2  
A3  
bp  
c
0.05  
0.80  
0.25  
NOTES:  
1.  
2.  
3.  
DIMENSIONS D AND E DO NOT  
0.15  
0.15  
2.90  
2.90  
0.30  
0.23  
3.10  
3.10  
INCLUDE MOLD PROTRUSION.  
MAXIMUM MOLD PROTRUSION  
FOR D IS 0.15mm.  
MAXIMUM MOLD PROTRUSION  
FOR E IS 0.25mm.  
D1  
E2  
e
0.50  
0.95  
HE  
L
Lp  
v
w
y
4.80  
0.40  
5.00  
0.70  
0.10  
0.10  
0.10  
Z
θ
0.34  
0O  
0.67  
6O  
November 2006 * REV - 2  
www.azmicrotek.com  
4
AZ88923  
Arizona Microtek, Inc. reserves the right to change circuitry and specifications at any time without prior notice. Arizona Microtek, Inc.  
makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Arizona  
Microtek, Inc. assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all  
liability, including without limitation special, consequential or incidental damages. Arizona Microtek, Inc. does not convey any license  
rights nor the rights of others. Arizona Microtek, Inc. products are not designed, intended or authorized for use as components in systems  
intended to support or sustain life, or for any other application in which the failure of the Arizona Microtek, Inc. product could create a  
situation where personal injury or death may occur. Should Buyer purchase or use Arizona Microtek, Inc. products for any such  
unintended or unauthorized application, Buyer shall indemnify and hold Arizona Microtek, Inc. and its officers, employees, subsidiaries,  
affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly  
or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that  
Arizona Microtek, Inc. was negligent regarding the design or manufacture of the part.  
November 2006 * REV - 2  
www.azmicrotek.com  
5
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