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AZG489

型号：

AZG489

描述：

PECL视频电缆驱动器[ PECL Video Cable Driver ]

品牌：

AZM[ ARIZONA MICROTEK, INC ]

页数：

5 页

PDF大小：

92 K

下载PDF手册
ARIZONA MICROTEK, INC.  
AZG489  
PECL Video Cable Driver  
FEATURES  
PACKAGE AVAILABILITY  
•
•
•
•
720 Mb/s Typical Data Rate  
1.6V Typical Output Swing  
Independent Outputs Operate in Phase  
5V±10% Supply Voltage  
PACKAGE  
PART NUMBER  
MARKING  
AZG489  
<Date Code>  
NOTES  
SOIC 8  
1
AZG489D  
1,2  
Add R1 at end of part number for 7 inch (1K parts), R2 for 13 inch (2.5K parts)  
Tape & Reel.  
2
Date Code “YWW” on underside of part.  
DESCRIPTION  
The AZG489 is a multiple output cable driver specifically designed to drive coaxial video cables. The device is  
especially useful in Digital Video Broadcasting applications. Each output has its own output stage and thus each is  
isolated from the other outputs.  
The driver has a voltage gain of approximately 40 and produces an output swing of 1.6 volts, twice as large as a  
standard PECL output. When driving a coaxial cable, proper termination is required at both ends of the cable to  
minimize reflections. The 1.6V output signal allows for termination at both ends of the cable, while providing an  
800mV signal at the receiving end of the cable.  
The driver accepts a standard differential PECL input and can be powered with a 5.0V supply. Under open input  
conditions internal input clamps will force all outputs HIGH.  
Additional power supply filtering is required because of the large amount of in-phase output current. A  
capacitor (0.1μF minimum) must bypass VCC to VEE in close proximity to the AZG489. A ferrite bead (1KΩ @ 100  
MHz) must be placed in series to the VEE pin. Additional capacitance may be required based on board layout. See  
Figure 1 for further information.  
NOTE: The specifications in the PECL table are valid when thermal equilibrium is established. The maximum  
junction temperature is 125°C. Thermal management may be required in some applications to ensure the junction  
temperature does not exceed that value.  
LOGIC DIAGRAM AND PINOUT ASSIGNMENT  
VCC  
1
2
3
4
8
Q0  
Q1  
PIN DESCRIPTION  
D
7
6
PIN  
FUNCTION  
PECL Data Inputs  
Q0, Q1, Q2, Q3 Data Outputs (1.6VPP)  
D, D¯  
Q2  
Q3  
D
VCC  
VEE  
Positive Supply  
Negative Supply  
VEE  
5
1630 S. STAPLEY DR., SUITE 127 • MESA, ARIZONA 85204 • USA • (480) 962-5881 • FAX (480) 890-2541  
www.azmicrotek.com  
AZG489  
Absolute Maximum Ratings are those values beyond which device life may be impaired.  
Symbol  
Characteristic  
Rating  
Unit  
VCC  
VI  
PECL Power Supply  
PECL Input Voltage  
Output Current  
(VEE = 0V)  
(VEE = 0V)  
— Continuous  
— Surge  
0 to +8.0  
0 to +6.0  
50  
Vdc  
Vdc  
IOUT  
mA  
100  
TA  
TSTG  
Operating Temperature Range  
Storage Temperature Range  
-40 to +85  
-65 to +150  
°C  
°C  
10K PECL DC Characteristics (VEE = GND, VCC = +5.0V)  
-40°C  
Typ  
0°C  
Typ  
25°C  
Typ  
85°C  
Typ  
Symbol  
Characteristic  
Unit  
Min  
3770  
2000  
3770  
3050  
-150  
Max  
4070  
2420  
4110  
3500  
Min  
3820  
1950  
3830  
3050  
-150  
Max  
4110  
2430  
4160  
3520  
Min  
3870  
1900  
3870  
3050  
-150  
Max  
4150  
2440  
4190  
3520  
Min  
3940  
1850  
3940  
3050  
-150  
Max  
VOH  
VOL  
VIH  
VIL  
IIL  
Output HIGH Voltage1  
Output LOW Voltage1  
Input HIGH Voltage  
Input LOW Voltage  
Input LOW Current  
Input HIGH Current  
Power Supply Current  
4240  
2490  
4280  
3555  
mV  
mV  
mV  
mV  
μA  
IIH  
IEE  
150  
50  
150  
50  
150  
50  
150  
50  
μA  
mA  
1.  
Each output is terminated through a 150Ω resistor to VEE.  
AC Characteristics1 (VEE = GND, VCC = 5V±10%)  
-40°C  
Typ  
0°C  
Typ  
25°C  
Typ  
720  
85°C  
Typ  
Symbol  
Characteristic  
Unit  
Min  
600  
Max  
Min  
600  
Max  
Min  
600  
Max  
Min  
570  
Max  
tmax  
Maximum Toggle Rate  
Propagation Delay  
Input to Output  
Mb/s  
ps  
tPLH / tPHL  
520  
800  
520  
800  
520  
660  
800  
550  
900  
VPP (AC) Minimum Input Swing2  
150  
150  
150  
150  
mV  
V
VEE  
+
VCC  
0.4  
-
VEE  
+
VCC  
0.4  
-
VEE  
+
VCC  
0.4  
-
VEE  
+
VCC  
0.4  
-
VCMR  
tr / tf  
Common Mode Range3  
2.5  
2.5  
2.5  
2.5  
Output Rise/Fall Times  
Q0 – Q3 (20% - 80%)  
295  
655  
295  
655  
295  
655  
295  
655  
ps  
1.  
2.  
3.  
Each output is terminated through a 150Ω resistor to Ground with an additional AC load of 150Ω to Ground. See Figure 1 for circuit used.  
VPP is the minimum peak-to-peak differential input swing for which AC parameters are guaranteed. The device has a DC gain of ≈40.  
The VCMR range is referenced to the most positive side of the differential input signal. Normal operation is obtained if the HIGH level falls within  
the specified range and the peak-to-peak voltage lies between VPP (Minimum Input Swing) and 1V.  
November 2006 * REV - 2  
www.azmicrotek.com  
2
AZG489  
+5V  
AZG489  
0.1μF4  
75Ω COAX  
Q0  
Q1  
VCC  
75Ω  
75Ω  
150Ω3  
D
D
1μF MIN1  
0.1μF MIN2  
Q2  
Q3  
0.1μF4  
75Ω COAX  
VEE  
75Ω  
FERRITE BEAD  
75Ω  
(1KΩ @ 100 MHz)  
150Ω3  
1. Required if AZG489 is more than 30mm from regulated source.  
2. Place as close to the AZG489 as possible.  
3. DC load resistor value range: 100Ω to 200Ω.  
4. Typical values, select as needed for application.  
Figure 1. Typical Application  
November 2006 * REV - 2  
www.azmicrotek.com  
3
AZG489  
PACKAGE DIAGRAM  
SOIC 8  
MILLIMETERS  
INCHES  
DIM  
A
MIN  
MAX  
1.75  
0.25  
1.45  
MIN  
MAX  
0.069  
0.010  
0.057  
A1  
A2  
A3  
bp  
c
0.10  
1.25  
0.004  
0.049  
0.25  
0.01  
0.36  
0.19  
4.8  
0.49  
0.25  
5.0  
0.014  
0.0075  
0.19  
0.019  
0.0100  
0.20  
D
E
3.8  
4.0  
0.15  
0.16  
e
HE  
L
Lp  
Q
v
w
y
1.27  
1.05  
0.050  
5.80  
6.20  
0.228  
0.244  
0.041  
NOTES:  
0.40  
0.60  
1.00  
0.70  
0.016  
0.024  
0.039  
0.028  
1.  
2.  
3.  
DIMENSIONS D AND E DO NOT  
INCLUDE MOLD PROTRUSION.  
MAXIMUM MOLD PROTRUSION  
FOR D IS 0.15mm.  
MAXIMUM MOLD PROTRUSION  
FOR E IS 0.25mm.  
0.25  
0.25  
0.10  
0.01  
0.01  
0.004  
0.028  
8O  
Z
θ
0.30  
0O  
0.70  
8O  
0.012  
0O  
November 2006 * REV - 2  
www.azmicrotek.com  
4
AZG489  
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
厂商 型号 描述 页数 下载

AZM

 		AZG489D PECL视频电缆驱动器[ PECL Video Cable Driver ] 5 页

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