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ANXPLORER Datasheet, PDF (3/4 Pages) List of Unclassifed Manufacturers – EDA TOOL FOR SCHEMATIC LEVEL OPTIMIZATION OF ANALOG & RF CIRCUITS | |||
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AnXplorer: EDA Tool for Schematic Level Optimization of Analog & RF Circuits
methodology for the synthesis of custom analog circuitsâ, Proc.
ICCAD 2001, pp 350-357. Shown in ï¬gure 3.
Technology: IBM 0.5um BSIM3v3 models, obtained from
http://www.mosis.org/test
METRIC
SPECIFICATION
RESULT
Gain
⥠68 dB
72.6 dB
Unity gain BW
⥠255 MHz
697 MHz
Phase margin
⥠52 degrees
56 degrees
CMRR
⥠55 dB
56.2 dB
PSRR (Vdd)
⥠80 dB
86.5 dB
Slew rate
⥠250 V/us
403 V/us
Propagation delay
⤠2 ns
1.13 ns
Area
⤠24000 sq. micron
6000 sq. micron
Figure 3: Two stage OpAmp schematic
Table 1: Speciï¬cation and optimization for two stage OpAmp
Ultra wide-band OpAmp
Source: Advanced VLSI Design Lab, Indian Institute of Technol-
ogy, Kharagpur, shown in ï¬gure 4.
Technology: TSMC 0.18um BSIM3v3 models, obtained from
http://www.mosis.org/test
METRIC
SPECIFICATION
RESULT
Gain
⥠60 dB
67.5 dB
Unity gain BW
⥠2 GHz
2.18 GHz
Phase margin
⥠50 degrees
55 degrees
ICMR
-
0.4 - 1.5 V
CMRR
-
86 dB
PSRR (Vdd)
-
83 dB
Settling time
-
3 ns
Static power
⤠50 mW
46 mW
Table 2: Speciï¬cation and optimization for ultra wide band
OpAmp
Missing entries in the speciï¬cation column denote metrics which
were not part of the optimization objectives, but measured post
optimization.
High gain OpAmp
Source: Advanced VLSI Design Lab, Indian Institute of Technol-
ogy, Kharagpur, shown in ï¬gure 5.
Technology: TSMC 0.18um BSIM3v3 models, obtained from
http://www.mosis.org/test
Figure 4: Ultra wide-band OpAmp schematic
M7
node7
Vdd
M8
M5
bias
node6
M6
Rz Cc
node5
M3
node4
node3
M4
node2
VinN
M1
-+
+-
node0
node1 VinP
M2
M0
nbiias
gnd
M10
Vout
M9
Figure 5: High gain OpAmp schematic, with gain-booster stage
shown as a block.
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