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TQ8219 Datasheet

  • TQ8219

  • Optoelectronic

  • 10頁(yè)

  • ETC

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T
R
I
Q
U
I
N
T
S E M I C O N D U C T O R, I N C .
TQ8218/19
VSYMX
VLEVEL
GND
N.C.
N.C.
GND
DIN
NDIN
GND
VTT
VDD
GND
VSEN10
VSEN1
1
2
3
4
5
50鈩?/div>
6
50鈩?/div>
7
8
9
10
11
12
13
14
* Downset paddle is GND
** N.C. ON TQ8219
50鈩?/div>
5鈩?/div>
-5V
50鈩?/div>
50鈩?/div>
20
19
18
17
16
15
22
21
NDOUT
DOUT
VDRIVE**
VDRIVE**
VEE
VEE
N.C.
GND
23
VDRIVE**
鈥?High performance fully back-
terminated 80mA/4V output
driver(TQ8218)
鈥?Also available without back-
terminations for 25
鈩?/div>
applications (TQ8219)
鈥?Output can drive 50
鈩?/div>
external
optical modulator, 50
鈩?/div>
transmission line, or directly
modulated laser from LVPECL
input
鈥?NRZ data rates to 3.125Gbs
鈥?Output symmetry adjust
鈥?LVPECL input
鈥?65-130pS rise/fall time
鈥?28 pin TSSOP small outline
package
鈥?+3.3, -5V power supply
The TQ8218/TQ8219 is a low jitter, high performance
optoelectronic driver intended for interfacing LVPECL or CML
outputs from a multiplexer or clock recovery device to various O/E
devices, including uncooled DFB lasers, high power VCSEL
arrays, EA modulators and Mach-Zender modulators. The devices鈥?/div>
symmetry and level controls, low additive jitter, and excellent rise/
fall times while driving significant loads allow the highest system
level performance at low cost. The small footprint makes the
devices particularly suitable for high port count WDM applications.
28
VEE
VEE
PRELIMINARY DATA SHEET
*
-5V
27
26
25
24
N.C.
VDRIVE**
Features
鈥?鈥?0 to +100
擄
C case operating
temperature range
Applications
鈥?VCSEL driver
鈥?Driving uncooled DFB lasers
鈥?Single-ended 50
鈩?/div>
4.0V
electro-absorptive modulator
driver
鈥?8V differential 50
鈩?/div>
Mach-Zender
driver
Rev 0.0.A
1
TELECOM
PRODUCTS
GND
OC48/STM16
O/E Driver

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