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PDF ( 数据手册 , 数据表 ) iT3012

零件编号 iT3012
描述 differential-to-single-ended amplifier
制造商 Iterra
LOGO Iterra LOGO 


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iT3012 数据手册, 描述, 功能
iT3012
8 GHz, Differential-to-Single-Ended Amplifier
Description
www.DataSheet4U.com
Features
The iT3012 is a packaged differential-to-single-ended amplifier designed for use as an optical
modulator predriver with limiting functionality in 10.7 Gb/s and 12.5 Gb/s (OC-192) optical
transmitters and receivers. It allows single-ended input signals of 350 mVpp to 900 mVpp or
differential signals of 250 mVpp to 1800 mVpp to be limited at a constant single-ended output
voltage of 1.9 Vpp. It provides output voltage control and allows external offset correction.
iT3012 also provides excellent linear performance when operating at lower output voltages.
Both AC and DC input coupling are allowed. DC-coupled SCFL differential input (input “high”
voltage = 0 V, input “low” voltage = -900 mV) is allowed.
™ Limiting function with 1.9 Vpp single-ended output
™ 3 dB bandwidth: 8 GHz
™ Single-ended Gain: 17.5 dB
™ Standard bias supply levels: -5 V or -5.2 V, +5 V
™ Power consumption: 665 mW
™ Low group delay and jitter
™ Output voltage control
™ AC and DC input coupling (SCFL compatible)
™ AC and DC output coupling
™ Low-cost JEDEC QFP-N (MO-220) package
Absolute
Maximum
Ratings
Sym bol
Vee
Vcc
Vd
Vm
IDC IN (+),(-)
Tch
Tstg
Param eters/conditions
Pow er supply voltage
Pow er supply voltage
Applied voltage at data input (differential)
Applied voltage at data input (single ended)
Offset control current
Maximum channel temperature
Storage temperature
M in.
-8
0
-65
M ax.
0
8
3
1.5
5
150
150
Units
V
V
V
V
mA
°C
°C
Recommended
Operating
Conditions
Symbol
Tc
Vee
Vcc
Vcb2
Iee
Icc
VDC IN
Vctrl
Vm
Vd
Vindc
R
Parameters/conditions
Operating temperature range (Tcase)
Negative pow er supply voltage
Positive pow er supply voltage
First internal bias control voltage
Negative supply current
Positive supply current
Offset control voltage
Voltage control pin
Applied peak-peak voltage at data input (single ended)
Applied peak-peak voltage at data input (differential)
DC input voltage (w ith DC-coupled input)
Data bit rate
Min.
0
-5.45
4.75
86
30
-5
-2.7
350
250
-0.5
Typ.
-5
5
0
101
35
Max.
85
-4.75
5.25
116
40
5
0
900
1800
0
12.5
Units
oC
V
V
V
mA
mA
V
V
mV
mV
V
Gb/s
www.iterrac.com
This is a Production data sheet. See “Product Status Definitions”
on Web site or catalog for product development status.
August 17, 2005 Doc. 1192 Rev 9
1
iTerra Communications
2400 Geng Road, Ste. 100, Palo Alto, CA 94303
Phone (650) 424-1937, Fax (650) 424-1938












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