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Power Amplifier Input Stages

LME49811  -  0.00035%, it drives Darlington or bipolar power transtistors in an amplifier's output stage, 19mA current drain, 9mA output current, 16V/us slew rate, 100uVrms output noise per 30kHz bandwidth, operating range +/-20V to +/-200V, 115dB PSRR. It allows 500W output power at 8 Ohm for external power transistors stage.   http://www.national.com/pf/LM/LME49811.html
LME49830  -  0.0006%, it drives MOSFETs with standard and low treshold voltages.  20mA current drain,  55mA output current, 39V/us slew rate, 44uVrms output noise per 30kHz bandwidth, operating range +/-20V to +/-200V, 105dB PSRR. It allows 300W output power at 8 Ohm for external power transistors stage. http://www.national.com/pf/LM/LME49830.html


Operational Amplifiers

LME49860  -  0.00003%, 2.7nV/√ ^Hz, DC linearity error 0.000009%, 55MHz, DC offset 0.1mV, supply current 10mA, supply voltage +/-2.5 to +/-22V.   http://cache.national.com/ds/LM/LME49860.pdf
LM4562   -   2.7 nV /√ ^Hz,  2.7nV/√ ^Hz, 0.00003%,  5-34V and 10mA supply, 55MHz, 20V/us, DC linearity error 0.000009%, Dual op amp, http://www.national.com/pf/LM/LM4562.html

AD8397 - 4.5 nV/√ ^Hz, 1.5pA/√ ^Hz, 69MHz, dual, supply 3 to 24V, 15mA per amplifier, 53V/us, 310mA peak output current into 32 Ohm on +/-12V supply, rail-to-rail output.  http://www.analog.com/en/prod/0,,759_786_AD8397,00.html

LM4562   -  0.00003%,   2.7 nV /√ ^Hz,  2.7nV/rtHz  5-34V and 10mA supply, 55MHz, 20V/us, DC linearity error 0.000009%, Dual op amp, http://www.national.com/pf/LM/LM4562.html
AD8132     -99 dBc, 8 nV/rtHz, 350 MHz 
AD8138     -94 dBc, 5 nV/rtHz, 310 MHz
AD8021     -90 dBc, 2.5 nV/rtHz, 280 MHz
AD8022     -94 dBc, 2.5 nV/rtHz, 75 MHz
OP275       -115 dBc, 6 nV/rtHz, 9 MHz
SSM2135  -90 dBc, 1.8 nV/rtHz, 1 MHz
SSM2211  -92 dBc, 4.5 nV/rtHz, 4 MHz
SSM2250  -92 dBc, 4.5 nV/rtHz, 4 MHz

OPA227   0.00005 %  3 nV/rtHz, 8 MHz $1 http://focus.ti.com/docs/prod/productfolder.jhtml?genericPartNumber=OPA227
OPA228   0.00005 %  3 nV/rtHz, 33 MHz  http://focus.ti.com/docs/prod/productfolder.jhtml?genericPartNumber=OPA227
OPA132   0.00008 %  8 nV/rtHz, 8 MHz  http://focus.ti.com/docs/prod/productfolder.jhtml?genericPartNumber=OPA132
OPA2132  0.00008 %  8 nV/rtHz, 8 MHz    http://focus.ti.com/docs/prod/productfolder.jhtml?genericPartNumber=OPA132
OPA4132   0.00008 %  8 nV/rtHz, 8 MHz   http://focus.ti.com/docs/prod/productfolder.jhtml?genericPartNumber=OPA132
OPA627   0.00003 %  5.2 nV/rtHz, 16 MHz, $8 http://focus.ti.com/docs/prod/productfolder.jhtml?genericPartNumber=OPA627
OPA637   0.00003 %  5.2 nV/rtHz, 80 MHz    http://focus.ti.com/docs/prod/productfolder.jhtml?genericPartNumber=OPA627
OPA687   -95 dBc  0.95 nV/rtHz, 3800 MHz    http://focus.ti.com/docs/prod/productfolder.jhtml?genericPartNumber=OPA687
OPA686   -90 dBc  1.3 nV/rtHz, 1600 MHz     http://focus.ti.com/docs/prod/productfolder.jhtml?genericPartNumber=OPA686
MAX4475   0.0002%  4.5 nV/rtHz, 42 MHz     http://dbserv.maxim-ic.com/quick_view2.cfm?qv_pk=3085

INA163  - 0.002% THD+N at G=100, 1 nV/rtHz input stage, 60 nV/rtHz out stage, 800 kHz at G=100,  +/-4.5V-+/-18V, 10 mA, Zin= 60 MOhm, 2 pF,  CMRR> 100 dB, $2.35 at 1k pcs, SOIC - 14       http://focus.ti.com/docs/prod/productfolder.jhtml?genericPartNumber=INA163

Headphone Amplifiers
MAX4299   - stereo 0.0008 % THD+N, 16 Ohm capable, mic amplifier and 3.3 Vdc linear regulator   http://dbserv.maxim-ic.com/quick_view2.cfm?qv_pk=2332
MAX4298   - stereo 0.0008 % THD+N, 16 Ohm capable  http://dbserv.maxim-ic.com/quick_view2.cfm?qv_pk=2332
MAX4337  - stereo 0.003% THD+N, 50 mA output, 32 Ohm, 2.7-5V, 1.2mA  supply  http://dbserv.maxim-ic.com/quick_view2.cfm?qv_pk=3087

Audio Volume Control
PGA2311 - 2 channel, PGA4311 - 4 channel - Digitally controlled ICs via serial interface. 120 dB dynamic range, 0.0002% THD+N, 130 dB interchannel crosstalk, 2.5uVrms output noise, 5V supply, can drive 600 load, gain range +31.5dB to -95.5dB with 0.5dB steps, zero crossing detection, mute, DIP-16, SOL-16, SOP-28, $5/1k and $9/1k   http://focus.ti.com/docs/prod/productfolder.jhtml?genericPartNumber=PGA2311