LTC6228/LTC6229 0.88nV/Hz 730MHz, 500V/s, Low Distortion Rail-to-Rail Output Op Amps with Shutdown FEATURES DESCRIPTION n Ultra Low Voltage Noise: 0.88nV/Hz The LTC 6228/LTC6229 are single/dual very fast, low n noise rail-to-rail output, unity gain stable op amps. They Low Distortion at High Speeds: have a gain-bandwidth product of 890MHz and a slew rate HD2/HD3 < 100dBc (Av=+1, 4V , 2MHz, R =1k) P-P L n of 500V/s. The low input referred voltage noise of only High Slew Rate: 500V/s 0.88nV/Hz and low distortion performance of better than n GBW = 890MHz 100dB at 4V even for signals as fast as 2MHz make n P-P 3dB Frequency (A = +1): 730MHz V them ideal for applications that require high dynamic n Input Offset Voltage: 250V Max Across Temperature range and deal with high slew rate signals, such as driving n Offset Drift :0.4V/C A/D converters. Additional features include Shutdown and n Input Common Mode Range Includes Negative Rail the ability to enable/disable internal bias current cancel- n Output Swings Rail-to-Rail lation to optimize noise performance. n Supply Current: 16mA/Channel Typ The combination of low offset, low offset drift, high gain n Shutdown Supply Current = 500A and high CMRR make the LTC6228 family the superior n Operating Supply Range: 2.8V to 11.75V choice for wide dynamic range applications. n Large Output Current: 80mA Min n Very High Open Loop Gain: 5.6V/V (135dB), R = 1k The LTC6228 family maintains excellent performance for L n Operating Temp Range: 40C to 125C supply voltages of 2.8V to 11.75V and the devices are n specified at supplies of 3V, 5V and 10V(5V). With an Singles in 8-Lead SOIC, TSOT-23, DC-6, Duals in input range extending to the negative rail and an out- DD10, MS8 put range that encompasses the entire supply range, the operational amplifier can accommodate wide swinging APPLICATIONS signals, and single supply operation. n Optical Electronics: Fast Transimpedance Amplifiers For space constrained PCB layouts, the LTC6228 is avail- n Driving High Dynamic Range A/D Converters able in a 2mm 2mm DFN and the LTC6229 is available in a n Active Filters 3mm 3mm DFN. The amplifiers are also available in con- n Video Amplifiers ventional leaded packages. These amplifiers can be used n High Speed Differential to Single-Ended Conversion as improved replacements for many high speed op amps n Low Voltage Hi-Fi Amplification to improve speed, noise, distortion and dynamic range. All registered trademarks and trademarks are the property of their respective owners. System Performance: 2 x LTC6228 Driving LTC2387-18 TYPICAL APPLICATION 8192 Point FFT, 1dBFS f = 15Msps, f = 1MHz LTC6228 Based Driver for the LTC2387-18 SAR ADC SMPL IN 0 7.3V 1MHz INPUT SIGNAL P-P 7.5V SNR = 93.4dB 20 4.096V + SFDR = 95dB CLK THD = 93.8dB LTC6228 40 0V DCO LVDS 25 + INTERFACE DA IN 60 DB 82pF 80 LTC2387-18 82pF TWOLANES 100 IN TESTPAT 4.096V + 25 V CM PD 120 LTC6228 0.1F SAMPLE 0V CNV REFB CLOCK 140 2.5V 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 FREQUENCY (MHz) 6228 TA01a 6228 TA02 Rev. B 1 Document Feedback For more information www.analog.com AMPLITUDE (dBFS)LTC6228/LTC6229 ABSOLUTE MAXIMUM RATINGS (Note 1) + Total Supply Voltage (V to V ) .................................12V Output Current (OUT, FB)(Note 3) ......................100mA + Input Voltage (IN, +IN, SHDN)....V 0.3V to V + 0.3V Output Short-Circuit Duration .............Thermally Limited Input Current (IN, +IN, SHDN) (Note 2) .............. 10mA Storage Temperature Range .................. 65C to 150C Operating Temperature Range Maximum Junction Temperature .......................... 150C LTC6228I/LTC6229I (Note 4) ...............40C to 85C Lead Temperature (Soldering 10s) LTC6228H/LTC6229H (Note 4) .......... 40C to 125C (MSOP/S8/TSOT Only) .........................................300C Specified Temperature Range LTC6228I/LTC6229I (Note 4) ...............40C to 85C LTC6228H/LTC6229H (Note 4) .......... 40C to 125C PIN CONFIGURATION TOP VIEW TOP VIEW FB 1 8 SHDN + OUT 1 6 V + IN 2 7 V V 2 5 SHDN + +IN 3 6 OUT +IN 3 4 IN V V 4 5 S6 PACKAGE S8 PACKAGE 6-LEAD PLASTIC TSOT-23 8-LEAD PLASTIC SO T = 150C, = 192C/W (NOTE 7) JMAX JA T = 150C, = 120C/W (NOTE 7) JMAX JA TOP VIEW TOP VIEW + OUTA 1 10 V + V 1 6 OUT INA 9 OUTB 2 7 11 +IN 2 5 IN 3 +INA 8 INB V V V 4 7 +INB V 4 SHDN 3 SHDNA 5 6 SHDNB DC PACKAGE DD PACKAGE 6-LEAD (2mm 2mm) PLASTIC DFN 10-LEAD (3mm 3mm) PLASTIC DFN T = 150C, = 80C/W (NOTE 7) JMAX JA T = 125C, = 43C/W (NOTE 2) EXPOSED PAD (PIN 7) IS V , MUST BE SOLDERED TO PCB JMAX JA EXPOSED PAD (PIN 11) IS V , MUST BE SOLDERED TO PCB TOP VIEW + OUTA 1 8 V INA 2 7 OUTB +INA 3 9 6 INB V V 4 5 +INB MSE PACKAGE 8-LEAD PLASTIC MSOP T = 150C, = 35C/W (NOTE 8) JMAX JA EXPOSED PAD (PIN 9) IS V , MUST BE SOLDERED TO PCB Rev. B 2 For more information www.analog.com + + +