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TriQuint Semiconductor

TGA4954-SL Datasheet Preview

TGA4954-SL Datasheet

Optical Modulator Driver

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Advance Product Information
April 4, 2006
9.9 - 12.5 Gb/s Optical Modulator Driver
TGA4954-SL
Key Features and Performance
• Wide Drive Range (3V to 10V)
• Single-Ended Input/Output
• Low Power Dissipation
(1.1W @ 6Vo)
• Low Rail Ripple
• 25psec Edge Rates (20/80%)
• Hot-pluggable
Product Description
The TriQuint TGA4954-SL is part of a series of
surface mount modulator drivers suitable for a
variety of driver applications and is compatible with
Metro MSA standards.
• Package Dimensions:
11.4 x 8.9 x 2.0 mm
(0.450 x 0.350 x 0.080 inches)
Primary Applications
• Mach-Zehnder Modulator Driver
Measured Data
The 4954 consists of two high performance
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wideband amplifiers combined with off chip circuitry
assembled in a surface mount package. A single
4954 placed between the MUX and Optical
Modulator provides OEMs with a board level
modulator driver surface mount solution.
Vdd=5V; Id1=65mA; Id2=115mA; Vctrl1=-0.2V;
Vctrl2=+0.2V
36
15
32
28
S21
S11
24 S22
10
5
0
20 -5
16 -10
12 -15
The 4954 provides Metro and Long Haul designers
with system critical features such as: low power
dissipation (1.2W at Vo = 6V), low rail ripple, high
voltage drive capability at 5V bias (6 V amplitude
adjustable to 3 V), low output jitter, and low input
drive sensitivity (250mV at Vo = 6V).
8
4
0
0
5 10 15
Frequency (GHz)
-20
-25
-30
20
The 4954 requires external DC blocks, a low
frequency choke, and control circuitry.
Vout=6Vpp
Evaluation boards available upon request.
Lead Free & RoHS compliant.
Note: This device is early in the characterization process prior to finalizing all electrical test specifications. Specifications are subject to
change without notice.
1
TriQuint Semiconductor Texas Phone: (972)994-8465 Fax: (972)994 8504 Email: info-mmw@tqs.com Web: www.triquint.com




TriQuint Semiconductor

TGA4954-SL Datasheet Preview

TGA4954-SL Datasheet

Optical Modulator Driver

No Preview Available !

Advance Product Information
April 4, 2006
TGA4954-SL
TABLE I
MAXIMUM RATINGS
Symbol
VD1 VD2
VG1 VG2
VCTRL1
VCTRL2
ID1
ID2
| IG1 |
| IG2 |
| ICTRL1 |
| ICTRL2 |
PIN
VIN
PD
TCH
TM
TSTG
Parameter
Drain Voltage
Gate Voltage Range
Control Voltage Range
Drain Supply Current (Quiescent)
Gate Supply Current
Control Supply Current
Input Continuous Wave Power
12.5Gb/s PRBS Input Voltage
Power Dissipation
Operating Channel Temperature
Mounting Temperature
(10 Seconds)
Storage Temperature
Value
8V
-3V to 0V
-3V to VD
200 mA
350 mA
15 mA
15 mA
23 dBm
4 VPP
4W
150 0C
230 0C
-65 to 150 0C
Notes
1/ 2/
1/
1/
1/ 2/
1/
1/ 5/
1/ 2/
1/ 2/
1/ 2/ 3/
4/
1/ These ratings represent the maximum operable values for this device
2/ Combinations of supply voltage, supply current, input power, and output power shall
not exceed PD at a package base temperature of 80°C
3/ When operated at this bias condition with a baseplate temperature of 80°C, the MTTF
is reduced
4/ Junction operating temperature will directly affect the device median time to failure
(MTTF). For maximum life, it is recommended that junction temperatures be
maintained at the lowest possible levels.
5/ Assure VCTRL1 never exceeds VD1, and VCTRL2 never exceeds VD2 during bias up and
down sequences.
2
TriQuint Semiconductor Texas Phone: (972)994-8465 Fax: (972)994 8504 Email: info-mmw@tqs.com Web: www.triquint.com


Part Number TGA4954-SL
Description Optical Modulator Driver
Maker TriQuint Semiconductor
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