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ARIZONA MICROTEK, INC.
AZ88943
High-Speed Limiting Post Amplifier FEATURES
* * * * * *
PACKAGE AVAILABILITY 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 PACKAGE
TSSOP 10
1 2 3 4
PART NUMBER
AZ88943U
MARKING
AZ88 943
NOTES
1,2,3
DESCRIPTION
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.
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
BLOCK DIAGRAM
DIN /DIN DOUT /DOUT /EN
PINOUT ASSIGNMENT
/EN
1
10
VCC
VREF
DIN
2
9
DOUT
TSSOP-10
/DIN 3 8 /DOUT
SDLVL
SD
VREF SDLVL
4
7
SD
5
6
GND
1630 S. STAPLEY DR., SUITE 127 * MESA, ARIZONA 85204 * USA * (480) 962-5881 * FAX (480) 890-2541 www.azmicrotek.com
AZ88943
Absolute Maximum Ratings are those values beyond which device life may be impaired
Symbol VCC TA TSTG DIN, /DIN /EN LOSLVL VREF DOUT, /DOUT Character DC Supply Voltage (Referenced to GND) Operating Temperature Range (In Free-Air) Storage Temperature Range Input Voltage Input Voltage Input Voltage Output Voltage Output Voltage Value 4.5 -40 to +85 -65 to +125 0 to VCC 0 to VCC 0 to VCC VCC-2V to VCC VCC-2V to VCC Unit V C C V V V V V
DC Characteristics (VCC = 3.0V to 3.6V, RLOAD = 50 to VCC-2V)
Symbol IEE VOH VOL VIH VIL VOL VREF Characteristic Power Supply Current1 Output HIGH Voltage Output LOW Voltage /EN Input HIGH Voltage /EN Input LOW Voltage SD Output LOW Voltage2 Reference Voltage VCC1085 VCC1830 2.0 0.8 VCC 1.38 GND+2 -40C Min Max 40 VCC880 VCC1555 Min VCC1025 VCC1810 2.0 0.8 VCC 1.38 GND+2 0C Max 40 VCC880 VCC1620 Min VCC1025 VCC1810 2.0 0.8 VCC 1.38 GND+2 25C Typ 30 VCC955 VCC1705 85C Max 40 VCC880 VCC1620 Min VCC1025 VCC1810 2.0 0.8 VCC 1.38 GND+2 Max 45 VCC880 VCC1620 Unit mA mV mV mV mV V V A V
IIH /EN Input HIGH Current VCMR Common Mode Range 1. No output load. 2. IOL = +2mA.
0.5 VCC 1.26 100 VCC
0.5 VCC 1.26 100 VCC
0.5 VCC 1.26 100 VCC
0.5 VCC 1.26 100 VCC
AC Characteristics (VCC = 3.0V to 3.6V, RLOAD = 50 to VCC-2V)
Symbol VID tr / t f VOD HYS tONL tONH tOFFL VSR Characteristic Input Voltage Range Rise/Fall Time Diff VID=15 mVp-p Out VID=5 mVp-p SD Hysteresis SD Release Time Minimum Input SD Release Time Maximum Input SD Assert Time SD Sensitivity Range -40C Min 5 Max 1800 150 Min 5 0C Max 1800 150 Min 5 25C Typ 85C Max 1800 150 Min 5 Max 1800 150 Unit mV ps MVp-p 8 0.5 0.5 0.5 50 5 2 8 0.5 0.5 0.5 50 dB s s s MVp-p
2
8 0.5 0.5
2
8 0.5 0.5
2
600 200 4.6 0.2 0.2 0.1
5
0.5 50
5
0.5 50
5
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AZ88943
0.1F
FROM TRANSIMPEDANCE AMPLIFIER
{ {
0.1 F 50 50 0.1 F
DIN
/DIN
VREF
DIFFERENTIAL INPUT CONFIGURATION
VCC
VCC
> 4.7k
R1
SD
SDLVL
R2
VREF
SD OUTPUT
SDLVL CIRCUIT NOTES: SDLVL = VCC - 1.32V + R2 x 1.32V R1 + R2 R1 + R2 2.6k
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AZ88943 PACKAGE DIAGRAM TSSOP 10
NOTES: 1. DIMENSIONS D AND E DO NOT INCLUDE MOLD PROTRUSION. 2. MAXIMUM MOLD PROTRUSION FOR D IS 0.15mm. 3. MAXIMUM MOLD PROTRUSION FOR E IS 0.25mm.
DIM A A1 A2 A3 bp c D1 E2 e HE L Lp v w y Z
MILLIMETERS MIN MAX 1.10 0.05 0.15 0.80 0.95 0.25 0.15 0.30 0.15 0.23 2.90 3.10 2.90 3.10 0.50 4.80 5.00 0.95 0.40 0.70 0.10 0.10 0.10 0.34 0.67 6O 0O
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AZ88943
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
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