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| a Preliminary Technical Data FEATURES Low Offset Voltage: 75 V Max Input Offset Drift: 1.2 V/C Max Low Noise: 0.6Vp-p max High Gain, CMRR and PSRR: 110 dB min Low Supply Current: 1.2 mA Wide Supply Voltage Range: 5V to 15V Operation 75V Max Offset Voltage Op Amp in SOT23 AD8677 APPLICATIONS Medical & Industrial Instrumentation Sensors & Controls Thermocouple RTDs Strain Bridges Shunt Current Measurements Precision Filters GENERAL DESCRIPTION The AD8677 is the next generation of precision, ultra-low offset amplifiers. It builds on the high performance of the OP07 and integrates lower power (1.2 mA typ), low input bias current (2 nA max) and higher CMRR/PSRR (130dB) in the small TSOT23 package. Operation is fully specified from 5 V to 15 V supply. The AD8677 provides higher accuracy than industry standard OP07-type amplifers due to Analog Devices' iPolarTM process that supports enhanced performance in a smaller footprint. These performance enhancements include wider output swing, lower power and higher CMRR and PSRR. The AD8677 maintains stability of offsets and gain virtually regardless of variations in time or temperature. Excellent linearity and gain accuracy can be maintained at high closed-loop gains. The AD8677 is fully specified over the extended industrial (-40 to +125C) temperature range. The AD8677 amplifier is available in the tiny 5-lead TSOT-23 and the popular 8-pin narrow SOIC lead-free packages. Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. World Wide Web Site: http://www.analog.com Tel: 617/329-4700 (c) Analog Devices, Inc., 2005 Fax: 617/326-8703 AD8677 -1- Rev. PrA 5/11/2005 Preliminary Technical Data AD8677 Min Typ 30 0.5 Max 75 2 5 3.8 TBD 3.5 130 TBD TBD TBD 0.5 3.9 3.4 4 TBD 3.5 TBD 30 TBD 10 110 TBD TBD 1.2 1.4 TBD 0.2 TBD 0.6 80 0.35 11 0.17 0.6 TBD 1.2 Units V nA nA nA nA V dB dB dB dB V/C V V V V mA mA mA dB dB mA mA V/s ms MHz degrees Vp-p nV/Hz pA/Hz ELECTRICAL SPECIFICATIONS (VS=5.0V, TA=+25C unless otherwise specified.) Parameter INPUT CHARACTERISTICS Offset Voltage Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Open Loop Gain (Note 1) Offset Voltage Drift OUTPUT CHARACTERISTICS Output Voltage High Symbol VOS IB -40C TA +125C IOS -40C TA +125C CMRR AVO VOS/T VOUT VCM = 3V -40C TA +125C RL = 2 k to Ground, Vo=3V -40C TA +125C -40C TA +125C RL = 10k to Ground -40C TA +125C RL = 2k to Ground -40C TA +125C Short Circuit Limit Output Current POWER SUPPLY Power Supply Rejection Ratio Supply Current/Amplifier DYNAMIC PERFORMANCE Slew Rate Overload Recovery Time Gain Bandwidth Product Phase Margin NOISE PERFORMANCE Voltage Noise Voltage Noise Density Current Noise Density ISC IO PSRR ISY -40C TA +125C Vo = 3.5V VS = =4.0V to 18.0V -40C TA +125C VO = 0V -40C TA +125C SR GBP RL = 10k -3.5 110 TBD 114 TBD 0.5 Conditions en p-p en in 0.1 to 10 Hz f = 1 kHz f = 10 Hz AD8677 -2- Rev. PrA 5/11/2005 Preliminary Technical Data AD8677 Min Typ 30 0.5 Max 75 2.0 5 3.8 TBD +13.5 130 TBD TBD 0.5 13.9 13.4 14 TBD 13.5 TBD 30 TBD 10 110 TBD TBD 1.2 TBD 0.2 TBD 0.6 80 0.35 0.6 11 0.17 0.6 1.4 TBD 1.2 Units V nA nA nA nA V dB dB dB dB V/C V V V V mA mA mA dB dB mA mA V/s ms MHz degrees Vp-p Vp-p nV/Hz pA/Hz ELECTRICAL SPECIFICATIONS (VS = 15V, TA=+25C unless otherwise specified.) Parameter INPUT CHARACTERISTICS Offset Voltage Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Open Loop Gain Offset Voltage Drift OUTPUT CHARACTERISTICS Output Voltage Swing Symbol VOS IB -40C TA +125C IOS -40C TA +125C CMRR AVO VOS/T VOUT VCM = 13.0V -40C TA +125C RL = 2k to Ground, Vo = 11V -40C TA +125C -40C TA +125C RL = 10k to Ground -40C TA +125C RL = 2k to Ground -40C TA +125C Short Circuit Limit Output Current POWER SUPPLY Power Supply Rejection Ratio Supply Current/Amplifier DYNAMIC PERFORMANCE Slew Rate Overload Recovery Time Gain Bandwidth Product Phase Margin NOISE PERFORMANCE Voltage Noise Voltage Noise Voltage Noise Density Current Noise Density ISC IO PSRR ISY -40C TA +125C Vo = 13.5V VS = =4.0V to 18.0V -40C TA +125C VO = 0V -40C TA +125C SR GBP RL =10 k -13.5 110 TBD 114 TBD 0.5 Conditions en p-p en p-p en in 0.1 to 10 Hz 0.l to 1.0 Hz f = 1 kHz f = 10 Hz AD8677 -3- Rev. PrA 5/11/2005 Preliminary Technical Data ABSOLUTE MAXIMUM RATINGS Supply Voltage ............................................................ 18V/+36V Input Voltage.................................................................... Vsupply Differential Input Voltage ...................................................... 30V Output Short-Circuit Duration to Gnd .............................. Indefinite Storage Temperature Range UJ, R Package................................................ -65C to +150C Operating Temperature Range AD8677 ......................................................... -40C to +125C Junction Temperature Range UJ, R Package................................................ -65C to +150C Lead Temperature Range (Soldering, 10 sec) ......................+300C JA1 207 158 Package Type 5-Pin TSOT23 (UJ-5) 8-Pin SOIC (R-8) NOTES 1 AD8677 JC 61 43 Units C/W C/W PR05578-0-5/05(PrA) JA is specified for the worst case conditions, i.e., JA is specified for device in socket for P-DIP packages; JAis specified for device soldered in circuit board for SOIC and TSSOP packages. ORDERING GUIDE Model AD8677AUJZ AD8677ARZ Temperature Range Package Description Package Option UJ-5 R-8 -40C to +125C 5-Lead TSOT-23 -40C to +125C 8-Lead SOIC AD8677 -4- Rev. PrA 5/11/2005 |
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