Precision, Very Low Noise, Low Input Bias Current Op Amp Enhanced Product AD8672-EP FEATURES PIN CONFIGURATION Voltage noise density: 2.8 nV/√Hz typical OUT A 1 8 V+ Peak-to-peak noise: 77 nV p-p typical –IN A 2 AD8672-EP 7 OUT B GLLooawwin oi bnfapfsnuedtt w bvioiadlstt ahcgu perrr:o e7dn5ut :μc 1Vt:4 m1 n0aA Mx mimHazux mim um +INV A– 34 (NToOt Pto V SIEcaWle) 65 –+IINN BB 13063-001 Figure 1. High open-loop gain: 1000 V/mV (120 dB) Low supply current per amplifier: 3 mA typical Dual-supply operation: ±5 V to ±15 V GENERAL DESCRIPTION Unity-gain stable The AD8672-EP is a very high precision amplifier featuring very No phase reversal low noise, very low offset voltage and drift, low input bias current, ENHANCED PRODUCT FEATURES 10 MHz bandwidth, and low power consumption. Outputs are stable with capacitive loads of over 1000 pF. Supply current is less Supports defense and aerospace applications (AQEC standard) than 3 mA per amplifier at 30 V. Extended temperature range: −55°C to +125°C Controlled manufacturing baseline The combination of ultralow noise, high precision, speed, and One assembly/test site stability within the AD8672-EP is unmatched. Applications for One fabrication site this amplifier include high quality PLL filters, precision filters, Enhanced product change notification medical and analytical instrumentation, precision power supply Qualification data available on request controls, ATE, data acquisition, and precision controls, as well as professional quality audio. APPLICATIONS The AD8672-EP is available in an 8-lead SOIC narrow package. Phase-locked loop (PLL) filters It is specified over a −55°C to +125°C temperature range. Filters for GPS Instrumentation Additional application and technical information can be found Sensors and controls in the AD8672 data sheet. Professional quality audio Rev. 0 Document Feedback 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 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Tel: 781.329.4700 ©2015 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. Technical Support www.analog.com

AD8672-EP Enhanced Product TABLE OF CONTENTS Features .............................................................................................. 1  Electrical Characteristics, ±15 V .................................................4  Enhanced Product Features ............................................................ 1  Absolute Maximum Ratings ............................................................5  Applications ....................................................................................... 1  Thermal Resistance .......................................................................5  Pin Configuration ............................................................................. 1  ESD Caution...................................................................................5  General Description ......................................................................... 1  Typical Performance Charateristics ................................................6  Revision History ............................................................................... 2  Outline Dimensions ..........................................................................8  Specifications ..................................................................................... 3  Ordering Guide .............................................................................8  Electrical Characteristics, ±5 V .................................................. 3  REVISION HISTORY 9/15—Revision 0: Initial Version Rev. 0 | Page 2 of 8

Enhanced Product AD8672-EP SPECIFICATIONS ELECTRICAL CHARACTERISTICS, ±5 V V = ±5.0 V, V = 0 V, T = 25°C, unless otherwise specified. SY CM A Table 1. Parameter Symbol Test Conditions/Comments Min Typ Max Unit INPUT CHARACTERISTICS Offset Voltage V 20 75 μV OS −55°C < T < +125°C 30 125 μV A Offset Voltage Drift ∆V /∆T −55°C < T < +125°C 0.3 0.8 μV/°C OS A Input Bias Current I −14 +3 +14 nA B 25°C < T < 125°C −20 +5 +20 nA A −55°C < T < +125°C −60 +8 +60 nA A Input Offset Current I −14 +6 +14 nA OS 25°C < T < 125°C −20 +6 +20 nA A −55°C < T < +125°C −60 +8 +60 nA A Input Voltage Range −2.5 +2.5 V Common-Mode Rejection Ratio CMRR V = −2.5 V to +2.5 V 100 120 dB CM Large Signal Voltage Gain A R = 2 kΩ, V = −3 V to +3 V 1000 6000 V/mV VO L O Input Capacitance Common Mode C 6.25 pF INCM Differential Mode C 7.5 pF INDM Input Resistance Common Mode R 3.5 GΩ IN Differential Mode R 15 MΩ INDM OUTPUT CHARACTERISTICS Output Voltage High V R = 2 kΩ, −55°C to +125°C +3.8 +4.0 V OH L R = 600 Ω +3.7 +3.9 V L Low V R = 2 kΩ, −55°C to +125°C −3.9 −3.8 V OL L R = 600 Ω −3.8 −3.7 V L Output Current I ±10 mA OUT POWER SUPPLY Power Supply Rejection Ratio PSRR V = ±4 V to ±18 V 110 130 dB S Supply Current per Amplifier I V = 0 V 3 3.5 mA SY O −55°C < T < +125°C 4.2 mA A DYNAMIC PERFORMANCE Slew Rate SR R = 2 kΩ 4 V/μs L Settling Time t To 0.1% (4 V step, G = 1) 1.4 μs S To 0.01% (4 V step, G = 1) 5.1 μs Gain Bandwidth Product GBP 10 MHz NOISE PERFORMANCE Peak-to-Peak Noise e 0.1 Hz to 10 Hz 77 100 nV p-p n p-p Voltage Noise Density e f = 1 kHz 2.8 3.8 nV/√Hz n Current Noise Density i f = 1 kHz 0.3 pA/√Hz n Channel Separation C f = 1 kHz −130 dB S f = 10 kHz −105 dB Rev. 0 | Page 3 of 8

AD8672-EP Enhanced Product ELECTRICAL CHARACTERISTICS, ±15 V V = ±15.0 V, V = 0 V, T = 25°C, unless otherwise specified. S CM A Table 2. Parameter Symbol Test Conditions/Comments Min Typ Max Unit INPUT CHARACTERISTICS Offset Voltage V 20 75 μV OS −55°C < T < +125°C 30 125 μV A Offset Voltage Drift ∆V /∆T −55°C < T < +125°C 0.3 0.8 μV/°C OS A Input Bias Current I −14 +3 +14 nA B 25°C < T < 125°C −20 +5 +20 nA A −55°C < T < +125°C −60 +8 +60 nA A Input Offset Current I −14 +6 +14 nA OS 25°C < T < 125°C −20 +6 +20 nA A −55°C < T < +125°C −60 +8 +60 nA A Input Voltage Range −12 +12 V Common-Mode Rejection Ratio CMRR V = −12 V to +12 V 100 120 dB CM Large Signal Voltage Gain A R = 2 kΩ, V = −10 V to +10 V 1000 6000 V/mV VO L O Input Capacitance Common Mode C 6.25 pF INCM Differential Mode C 7.5 pF INDM Input Resistance Common Mode R 3.5 GΩ IN Differential Mode R 15 MΩ INDM OUTPUT CHARACTERISTICS Output Voltage High V R = 2 kΩ, −55°C to +125°C 13.2 13.8 V OH L R = 600 Ω 11 12.3 V L Low V R = 2 kΩ, −55°C to +125°C −13.8 −13.2 V OL L R = 600 Ω −12.4 −11 V L Output Current I ±20 mA OUT Short Circuit Current I ±30 mA SC POWER SUPPLY Power Supply Rejection Ratio PSRR V = ±4 V to ±18 V 110 130 dB S Supply Current per Amplifier I V = 0 V 3 3.5 mA SY O −55°C < T < +125°C 4.2 mA A DYNAMIC PERFORMANCE Slew Rate SR R = 2 kΩ 4 V/μs L Settling Time t To 0.1% (10 V step, G = 1) 2.2 μs S To 0.01% (10 V step, G = 1) 6.3 μs Gain Bandwidth Product GBP 10 MHz NOISE PERFORMANCE Peak-to-Peak Noise e 0.1 Hz to 10 Hz 77 100 nV p-p n p-p Voltage Noise Density e f = 1 kHz 2.8 3.8 nV/√Hz n Current Noise Density i f = 1 kHz 0.3 pA/√Hz n Channel Separation C f = 1 kHz −130 dB S f = 10 kHz −105 dB Rev. 0 | Page 4 of 8

Enhanced Product AD8672-EP ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE Table 3. Parameter Rating θ is specified for the worst-case conditions, that is, θ is JA JA Supply Voltage 36 V specified for the device soldered on a 4-layer circuit board for Input Voltage V to V surface-mount packages. S− S+ Differential Input Voltage ±0.7 V Table 4. Output Short-Circuit Duration Indefinite Package Type θ θ Unit Storage Temperature Range −65°C to +150°C JA JC 8-Lead SOIC_N (R-8) 120 43 °C/W Operating Temperature Range −55°C to +125°C Junction Temperature Range −65°C to +150°C Lead Temperature Range (Soldering, 60 sec) 300°C ESD CAUTION Stresses at or above those listed under Absolute Maximum Ratings may cause permanent damage to the product. This is a stress rating only; functional operation of the product at these or any other conditions above those indicated in the operational section of this specification is not implied. Operation beyond the maximum operating conditions for extended periods may affect product reliability. Rev. 0 | Page 5 of 8

AD8672-EP Enhanced Product TYPICAL PERFORMANCE CHARATERISTICS 4.0 135 VS = ±2.5V TO ±18V 3.5 134 VS = ±15V A) 3.0 133 T (m 2.5 VS = ±5V 132 CURREN 2.0 SRR (dB) 131 Y P PL 1.5 130 P U S 1.0 129 0.5 128 0–75 –50 –25 TE0MPERA25TURE (5°0C) 75 100 125 13063-101 127–75 –50 –25 TE0MPERA25TURE (5°0C) 75 100 125 13063-104 Figure 2. Supply Current vs. Temperature Figure 5. PSRR vs. Temperature 100 100 VS = ±5V VS = ±15V 80 TA = –55°C TO +125°C 80 TA = –55°C TO +125°C 60 60 MEAN + 3σ 40 MEAN + 3σ 40 V) 20 V) 20 (µOS 0 MEAN (µOS 0 MEAN V V –20 –20 –40 MEAN – 3σ –40 MEAN – 3σ –60 –60 –80 –80 –100–75 –50 –25 TE0MPERA25TURE (5°0C) 75 100 125 13063-102 –100–75 –50 –25 TE0MPERA25TURE (5°0C) 75 100 125 13063-105 Figure 3. Input Offset Voltage (VOS) vs. Temperature, VS = ±5 V Figure 6. Input Offset Voltage (VOS) vs. Temperature, VS = ±15 V 25 16 VS = ±5V VS = ±15V TA = –55°C TO +125°C 14 TA = –55°C TO +125°C 20 S S 12 R R E E PLIFI 15 PLIFI 10 M M F A F A 8 O O ER 10 ER 6 B B M M U U N N 4 5 2 0 0 –0.50–0.45–0.40–0.35–0.30–0.25–0.20–0.15T–0.10CV–0.05OS0 (µV0.05/°C0.10) 0.150.200.250.300.350.400.450.50 13063-103 –0.50–0.45–0.40–0.35–0.30–0.25–0.20–0.15T–0.10CV–0.05OS0 (µV0.05/°C0.10) 0.150.200.250.300.350.400.450.50 13063-106 Figure 4. Input Offset Voltage Drift (TCVOS) Distribution, VS = ±5 V Figure 7. Input Offset Voltage Drift (TCVOS) Distribution, VS = ±15 V Rev. 0 | Page 6 of 8

Enhanced Product AD8672-EP 3.5 4.0 VS = ±5V VS = ±15V 3.0 3.5 –IB 3.0 2.5 2.5 A) 2.0 A) –IB (nB +IB (nB 2.0 I 1.5 I 1.5 +IB 1.0 1.0 0.5 0.5 0–75 –50 –25 TE0MPERA25TURE (5°0C) 75 100 125 13063-107 0–75 –50 –25 TE0MPERA25TURE (5°0C) 75 100 125 13063-110 Figure 8. Input Bias Current (IB) vs. Temperature, VS = ±5 V Figure 11. Input Bias Current (IB) vs. Temperature, VS = ±15 V 14.5 –11.0 RL = 2kΩ VS = ±15V 14.0 –11.5 13.5 V) V)–12.0 E ( 13.0 E ( G G A A VOLT 12.5 RL = 600Ω VOLT–12.5 RL = 600Ω UT 12.0 UT –13.0 P P UT 11.5 UT O O–13.5 11.0 RL = 2kΩ –14.0 10.5 VS = ±15V 10.0–75 –50 –25 TE0MPERA25TURE (5°0C) 75 100 125 13063-108 –14.5–75 –50 –25 TE0MPERA25TURE (5°0C) 75 100 125 13063-111 Figure 9. Output Voltage High vs. Temperature Figure 12. Output Voltage Low vs. Temperature 30000 25000 20000 mV) VS = ±5V (V/O15000 V A 10000 VS = ±15V 5000 0–75 –50 –25 TE0MPERA25TURE (5°0C) 75 100 125 13063-109 Figure 10. Open-Loop Gain (AVO) vs. Temperature Rev. 0 | Page 7 of 8

AD8672-EP Enhanced Product OUTLINE DIMENSIONS 5.00(0.1968) 4.80(0.1890) 8 5 4.00(0.1574) 6.20(0.2441) 3.80(0.1497) 1 4 5.80(0.2284) 1.27(0.0500) 0.50(0.0196) BSC 1.75(0.0688) 0.25(0.0099) 45° 0.25(0.0098) 1.35(0.0532) 8° 0.10(0.0040) 0° COPLANARITY 0.51(0.0201) 0.10 SEATING 0.31(0.0122) 0.25(0.0098) 10..2470((00..00510507)) PLANE 0.17(0.0067) COMPLIANTTOJEDECSTANDARDSMS-012-AA C(RINOEFNPEATRRREOENNLCLTEIHNEOGSNDELISYM)AEANNRDSEIAORRNOESUNANORDETEDAIN-POMPFRIFLOLMPIMIRLELIATIMTEEERTFSEO;RIRNECUQHSUEDIVIINMAELDENENSSTIIOGSNNFS.OR 012407-A Figure 13. 8-Lead Standard Small Outline Package [SOIC_N] Narrow Body (R-8) Dimensions shown in millimeters and (inches) ORDERING GUIDE Model1 Temperature Range Package Description Package Option AD8672TRZ-EP −55°C to +125°C 8-Lead Standard Small Outline Package [SOIC_N] R-8 AD8672TRZ-EP-R7 −55°C to +125°C 8-Lead Standard Small Outline Package [SOIC_N] R-8 1 Z = RoHS Compliant Part. ©2015 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D13063-0-9/15(0) Rev. 0 | Page 8 of 8

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: A nalog Devices Inc.: AD8672ARMZ AD8672ARZ AD8672ARZ-REEL7 AD8672ARMZ-REEL AD8672ARZ-REEL AD8672TRZ-EP AD8672TRZ-EP-R7