10 A, Rail-to-Rail I/O, Zero Input Crossover Distortion Amplifiers Data Sheet ADA4505-1/ADA4505-2/ADA4505-4 FEATURES PIN CONFIGURATIONS PSRR: 100 dB minimum CMRR: 105 dB typical OUT 1 5 V+ ADA4505-1 OUT A 1 8 V+ Very low supply current: 10 A per amplifier maximum V 2 TOP VIEW ADA4505-2 IN A 2 7 OUT B (Not to Scale) 1.8 V to 5 V single-supply or 0.9 V to 2.5 V dual-supply operation TOP VIEW +IN A 3 6 IN B +IN 3 4 IN (Not to Scale) Rail-to-rail input and output V 4 5 +IN B 3 mV offset voltage maximum Figure 1. 5-Lead SOT-23 (RJ-5) Figure 2. 8-Lead MSOP (RM-8) Very low input bias current: 0.5 pA typical BALL A1 APPLICATIONS INDICATOR BALL A1 Pressure and position sensors CORNER OUT V+ Remote security A1 A2 OUT B V+ OUT A Medical monitors V NC A1 A2 A3 Battery-powered consumer equipment B1 B2 IN B IN A Hazard detectors +IN IN B1 B3 GENERAL DESCRIPTION C1 C2 +IN B V +IN A The ADA4505-1/ADA4505-2/ADA4505-4 are single, dual, and C1 C2 C3 ADA4505-1 quad micropower amplifiers featuring rail-to-rail input and output TOP VIEW (BALL SIDE DOWN) ADA4505-2 swings while operating from a single 1.8 V to 5 V power supply Not to Scale TOP VIEW (BALL SIDE DOWN) or from dual 0.9 V to 2.5 V power supplies. NC = NO CONNECT Employing a new circuit technology, these low cost amplifiers Figure 3. 6-Ball WLCSP (CB-6-7) Figure 4. 8-Ball WLCSP (CB-8-2) offer zero input crossover distortion (excellent PSRR and CMRR BALL A1 performance) and very low bias current, while operating with a INDICATOR supply current of less than 10 A per amplifier. OUT D OUT A IN A A1 A2 A3 This combination of features makes the ADA4505-x amplifiers IN D V +IN A ideal choices for battery-powered applications because they B1 B2 B3 +IN D +IN B minimize errors due to power supply voltage variations over the 1 OUT A 14 OUT D C1 C3 lifetime of the battery and maintain high CMRR even for a rail- 2 13 IN A IN D +IN C V+ IN B to-rail op amp. ADA4505-4 3 12 D1 D2 D3 +IN A +IN D TOP VIEW IN C OUT C OUT B Remote battery-powered sensors, handheld instrumentation 4 11 V+ V (Not to Scale) E1 E2 E3 and consumer equipment, hazard detectors (for example, smoke, 5 10 +IN B +IN C fire, and gas), and patient monitors can benefit from the features 6 9 IN B IN C ADA4505-4 TOP VIEW of the ADA4505-x amplifiers. OUT B 7 8 OUT C (BALL SIDE DOWN) Not to Scale The ADA4505-x family is specified for both the industrial Figure 5. 14-Lead TSSOP (RU-14) Figure 6. 14-Ball WLCSP (CB-14-1) temperature range (40C to +85C) and the extended industrial temperature range (40C to +125C). The ADA4505-1 single amplifier is available in a tiny 5-lead SOT-23 and a 6-ball WLCSP. The ADA4505-2 dual amplifier is available in a standard 8-lead MSOP and a 8-ball WLCSP. The ADA4505-4 quad amplifier is available in a 14-lead TSSOP and a 14-ball WLCSP. The ADA4505-x family is a member of a growing series of zero crossover op amps offered by Analog Devices, Inc., including the AD8505/AD8506/AD8508, which also operate from a single 1.8 V to 5 V power supply or from dual 0.9 V to 2.5 V power supplies. Rev. E 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 Tel: 781.329.4700 20082017 Analog Devices, Inc. All rights reserved. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Technical Support www.analog.com Trademarks and registered trademarks are the property of their respective owners. 07416-068 07416-001 07416-005 07416-003 07416-061 07416-004ADA4505-1/ADA4505-2/ADA4505-4 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 ESD Caution...................................................................................5 Applications ....................................................................................... 1 Typical Performance Characteristics ..............................................6 General Description ......................................................................... 1 Theory of Operation ...................................................................... 14 Pin Configurations ........................................................................... 1 Applications Information .............................................................. 16 Revision History ............................................................................... 2 Pulse Oximeter Current Source ............................................... 16 Specifications ..................................................................................... 3 Four-Pole, Low-Pass Butterworth Filter for Glucose Monitor ....................................................................................................... 17 Electrical Characteristics1.8 V Operation ............................ 3 Outline Dimensions ....................................................................... 18 Electrical Characteristics5 V Operation................................ 4 Ordering Guide .......................................................................... 21 Absolute Maximum Ratings ............................................................ 5 Thermal Resistance ...................................................................... 5 REVISION HISTORY 8/2017Rev. D to Rev. E 10/2008Rev. 0 to Rev. A Updated Outline Dimensions ....................................................... 18 Added 8-Ball WLCSP (ADA4505-2) and 14-Lead TSSOP (ADA4505-4) ................................................................. Throughout 7/2010Rev. C to Rev. D Change to Features Section .............................................................. 1 Added 6-Ball WLCSP, ADA4505-1 .................................. Universal Added Figure 2 and Figure 3 Renumbered Sequentially ............ 1 Moved Electrical Characteristics1.8 V Operation Section .... 3 Changes to Table 1 ............................................................................. 3 Changes to Large Signal Voltage Gain Parameter, Table 1 .......... 3 Changes to Table 2 ............................................................................. 4 Moved Electrical Characteristics5 V Operation Section ....... 4 Changes to Thermal Resistance Section ........................................ 5 Changes to Large Signal Voltage Gain Parameter, Table 2 .......... 4 Changes to Figure 22 and Figure 25 ............................................... 9 Changes to Thermal Resistance Section and Table 4................... 5 Changes to Figure 40 and Figure 43 ............................................ 12 Updated Outline Dimensions ....................................................... 18 Deleted Figure 46 and Figure 48 Renumbered Sequentially ... 13 Changes to Ordering Guide .......................................................... 21 Change to Theory of Operation Section ..................................... 14 Changes to Figure 52 ...................................................................... 16 7/2009Rev. B to Rev. C Change to Four-Pole Low-Pass Butterworth Filter Added 5-Lead SOT-23 (ADA4505-1) ......................... Throughout for Glucose Monitor Section ......................................................... 17 Updated Outline Dimensions ....................................................... 18 Changes to Supply Current per Amplifier Parameter, Table 1 ... 3 Changes to Supply Current per Amplifier Parameter, Table 2 ... 4 Changes to Ordering Guide .......................................................... 19 Changes to Figure 26 and Figure 29 ............................................... 9 Changes to Figure 31 and Figure 34 ............................................. 10 7/2008Revision 0: Initial Version Changes to Figure 42 and Figure 45 ............................................. 12 Added Figure 49 and Figure 51 Renumbered Sequentially ..... 13 Updated Outline Dimensions ....................................................... 18 Changes to Ordering Guide .......................................................... 20 2/2009Rev. A to Rev. B Added 14-Ball WLCSP (ADA4505-4) ........................ Throughout Changes to Thermal Resistance Section ........................................ 5 Changes to Figure 17, Figure 18, Figure 20, and Figure 21 ......... 8 Changes to Figure 42 and Figure 45 ............................................. 12 Updated Outline Dimensions ....................................................... 18 Changes to Ordering Guide .......................................................... 20 Rev. E Page 2 of 24