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| INTEGRATED CIRCUITS SA58602 High precision operational amplifier Product data Supersedes data of 2001 Oct 03 2002 Nov 13 Philips Semiconductors Philips Semiconductors Product data High precision operational amplifier SA58602 GENERAL DESCRIPTION The SA58602 is a low voltage, high precision dual operational amplifier. The input offset voltage is typically 100 V with a very low temperature drift of 1 V/C. The SA58602 supply current is typically 100 A per amplifier, and it operates from 1.8 V to 6 V single supply. Having single power supply capability, low current consumption, low offset voltage, low input offset current and low input bias current, the SA58602 is ideal for battery powered applications. It is excellent for precision amplifiers in portable instrumentation equipment used for test and measurement, medical monitors and diagnostics, and remote meters and sensors. FEATURES * Functionality to 1.8 V typical * Low supply current: 100 A per amplifier (typical) * Very low input offset voltage: 100 V (typical) * Very low input offset drift: 1 V/C (typical) * Low input offset current: 1 nA (typical) * Low input bias current: 50 nA (typical) * Open loop gain: 100 dB (typical) * Common mode input includes ground SIMPLIFIED DEVICE DIAGRAM APPLICATIONS * Signal conditioning and sensing amplification * Portable instrumentation: Test & measurement, medical monitors and diagnostics, remote meters * Error amplifiers * Communications: Pagers, cellular phones, LAN, 5 V datacom bus * Security systems * Transducer buffer amplifier VCC 8 SA58602 IN1+ IN1- 1 2 3 OUT1 IN2+ IN2- 5 6 7 OUT2 4 GND SL01533 Figure 1. Simplified device diagram. 2002 Nov 13 2 Philips Semiconductors Product data High precision operational amplifier SA58602 ORDERING INFORMATION TYPE NUMBER SA58602D PACKAGE NAME SO8 DESCRIPTION plastic small outline package; 8 leads; body width 3.9 mm TEMPERATURE RANGE -40 to +85 C Part number marking Each device is marked with three or four lines of alphanumeric codes. The first three letters of the top line designate the product. The fourth letter, represented by `x', is a date tracking code. The remaining lines of characters are internal manufacturing codes. Part number SA58602 Marking AGVx 1 2 3 4 7 6 8 5 AG V x SL01532 PIN CONFIGURATION TOP VIEW IN1+ IN1- OUT1 GND 1 2 8 7 VCC OUT2 IN2- IN2+ PIN DESCRIPTION PIN 1 2 3 4 5 SL01531 SYMBOL IN1+ IN1- OUT1 GND IN2+ IN2- OUT2 VCC DESCRIPTION Non-inverting input of Amp 1 Inverting input of Amp 1 Output of Amp 1 Ground Non-inverting input of Amp 2 Inverting input of Amp 2 Output of Amp 2 Positive supply SO8 3 4 6 5 6 Figure 2. Pin configuration. 7 8 MAXIMUM RATINGS SYMBOL VCC VIN Tstg Tamb P Single supply voltage Input voltage Storage temperature Operating temperature Power dissipation PARAMETER MIN. -0.3 -0.3 -40 -40 - MAX. +10 +10 +125 +85 300 UNIT V V C C mW 2002 Nov 13 3 Philips Semiconductors Product data High precision operational amplifier SA58602 ELECTRICAL CHARACTERISTICS VCC = 3.0 V, VIN = 0 V, and Tamb = 25 C, unless otherwise specified. SYMBOL ICC PSRR VCC VIN VIO VIO/T IIO Ii(bias) Gv(ol) IO VO PARAMETER Supply current Power supply rejection ratio Power supply voltage operating range Input voltage range Input offset voltage Input offset voltage temperature drift Input offset current Input bias current Open-loop voltage gain Output current Output voltage swing VIN = 10 mV; VO = 0.5 V VIN = -5 to +25 mV; RL = 10 k Tamb = -20 to +75 C f = 100 Hz CONDITIONS MIN. - 50 1.8 -0.2 - - - - 80 0.5 0.01 TYP. 0.1 60 3.0 - 0.1 1 1 50 100 - - MAX. 0.15 - 6.0 0.3 0.35 3 10 150 - - VCC - 1.0 UNIT mA dB V V mV V/C nA nA dB mA V 2002 Nov 13 4 Philips Semiconductors Product data High precision operational amplifier SA58602 TYPICAL CHARACTERIZATION CURVES Unless otherwise specified, VCC = 3.0 V, VIN = 0 V, and Tamb = 25 C. AMPLIFIER INPUT OFFSET VOLTAGE, VIOA (mV) 120 115 SUPPLY CURRENT ( A) 110 105 100 95 90 85 -40 0.15 0.10 0.05 0 -0.05 -0.10 -20 0 20 40 60 80 -0.15 -40 -20 0 20 40 60 80 AMBIENT TEMPERATURE, Tamb (C) AMBIENT TEMPERATURE, Tamb (C) SL01898 SL01899 Figure 3. Supply current versus ambient temperature. Figure 4. Amplifier input offset voltage versus ambient temperature. AMPLIFIER INPUT OFFSET CURRENT, I IOA (nA) 1.4 AMPLIFIER INPUT BIAS CURRENT, I i(bias) (nA) 10 1.5 52.5 52.0 1.3 51.5 1.2 51.0 1.1 50.5 1.0 50.0 0.9 -40 -15 35 60 85 49.5 -40 -20 0 20 40 60 80 AMBIENT TEMPERATURE, Tamb (C) AMBIENT TEMPERATURE, Tamb (C) SL01900 SL01901 Figure 5. Amplifier input offset current versus ambient temperature. Figure 6. Amplifier input bias current versus ambient temperature. AMPLIFIER OUTPUT VOLTAGE, LOW, V OAL (mV) 2.5 AMPLIFIER OUTPUT CURRENT, IOA (mA) 2.4 2.3 2.2 2.1 2.0 1.9 1.8 1.7 1.6 1.5 -40 -20 0 20 40 60 80 VIN = 10 mV VOA = 0.5 V 1.25 VIN = -5 mV RL = 10 k 1.20 1.15 1.10 1.05 1.00 0.95 -40 -20 0 20 40 60 80 AMBIENT TEMPERATURE, Tamb (C) AMBIENT TEMPERATURE, Tamb (C) SL01902 SL01903 Figure 7. Amplifier output current versus ambient temperature. Figure 8. Amplifier output voltage, low versus ambient temperature. 2002 Nov 13 5 Philips Semiconductors Product data High precision operational amplifier SA58602 TYPICAL CHARACTERIZATION CURVES (continued) Unless otherwise specified, VCC = 3.0 V, VIN = 0 V, and Tamb = 25 C. AMPLIFIER INPUT OFFSET VOLTAGE, V IOA (nV) 120 130 VIN = -5 mV RL = 10 k SUPPLY CURRENT, ICC ( A) 0 2 4 6 8 10 12 120 115 110 105 110 100 100 95 90 90 SUPPLY VOLTAGE, VCC (V) 80 0 2 4 6 8 10 12 SUPPLY VOLTAGE, VCC (V) SL01904 SL01905 Figure 9. Amplifier offset voltage versus supply voltage. Figure 10. Supply current versus supply voltage. AMPLIFIER INPUT OFFSET CURRENT, I IOA (nA) AMPLIFIER OUTPUT VOLTAGE, HIGH, VOAH (V) 2.32 2.30 2.28 2.26 2.24 2.22 2.20 2.18 -40 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0 2 4 6 8 10 12 SUPPLY VOLTAGE, VCC (V) -20 0 20 40 60 80 AMBIENT TEMPERATURE, Tamb (C) SL01906 SL01907 Figure 11. Amplifier input offset current versus supply voltage. Figure 12. Amplifier input offset current versus supply voltage. AMPLIFIER INPUT BIAS CURRENT, Ii(bias) (nA) 50.05 AMPLIFIER OUTPUT CURRENT, IOA (mA) 2.8 VIN = 10 mV VOA = 0.5 V 2.6 50.00 2.4 2.2 49.95 2.0 49.90 1.8 49.85 0 2 4 6 8 10 12 SUPPLY VOLTAGE, VCC (V) 1.6 0 2 4 6 8 10 12 SUPPLY VOLTAGE, VCC (V) SL01908 SL01909 Figure 13. Amplifier input bias current versus supply voltage. Figure 14. Amplifier output current versus supply voltage. 2002 Nov 13 6 Philips Semiconductors Product data High precision operational amplifier SA58602 TYPICAL CHARACTERIZATION CURVES (continued) Unless otherwise specified, VCC = 3.0 V, VIN = 0 V, and Tamb = 25 C. AMPLIFIER OUTPUT VOLTAGE, LOW, VOAL (mV) AMPLIFIER OUTPUT VOLTAGE, HIGH, VOAH (V) 1.6 VIN = -5 mV RL = 10 k 1.5 10 9 8 7 6 5 4 3 2 1 0 0 2 4 6 8 10 12 SUPPLY VOLTAGE, VCC (V) VIN = 25 mV RL = 10 k 1.4 1.3 1.2 1.1 0 2 4 6 8 10 12 SUPPLY VOLTAGE, VCC (V) SL01910 SL01911 Figure 15. Amplifier output voltage, LOW versus supply voltage. Figure 16. Amplifier output voltage, HIGH versus supply voltage. 0 OPEN LOOP VOLTAGE GAIN (dB) -10 -20 PSRR (dB) -30 -40 -50 -60 -70 0.1 1 FREQUENCY, f (kHz) 10 100 100 90 80 70 60 50 40 30 20 10 0 0.01 1 100 10000 FREQUENCY, f (kHz) SL01912 SL01913 Figure 17. PSRR, power supply rejection ratio versus frequency. Figure 18. Open loop voltage gain versus frequency. 2002 Nov 13 7 Philips Semiconductors Product data High precision operational amplifier SA58602 APPLICATION INFORMATION The SA58602 is a precision dual op amps with PNP input stages and emitter follower outputs. It may be used as a sensor amplifier with a recommended gain from 20 to 50 dB. It also may be used as a dual comparator with VCC "H" and ground "L" inputs. The output "L" is less than 10 mV and "H" is VCC - 1 V. It operates from 2 to 6 V single supply and each amplifier draws typically 100 A making it attractive for battery operation. With very low input offset voltage (typically 100 mV), low input offset current (typically 1 nA) and low bias current (typically 50 nA), the SA58602 is ideal for error amplifiers, transducer buffer amplifiers, medical monitors, remote meters, signal conditioning and sensor amplifiers. Comparator Circuit As shown in Table 1 below, when the non-inverting input, IN+ is pulled "H" (to VCC), and the inverting input, IN- is pulled "L" (to ground), then the output goes "H" (VCC - 1 V). Conversely, if the non-inverting input is pulled "L", and the inverting input is pulled HIGH then the output goes "L". Table 1. Logic table for Amp1 and Amp2 IN+ H L H L IN- L H H L OUT H L H H VOUT level VCC - 1 V 10 mV VCC - 1 V VCC - 1 V Determination of external components Recommended amplifier gain is 40 dB. The gain is set by the combination of R1, R2, and R3 as shown in the following equations: Av = (R3 + R2) / R3; Av (dB) = 20 log (Av); and R3 = R1 II R2 For a gain of 40 dB, Av = 100 V/V, if R2 = 100 k, then 99*R3 = 100 K; R3 = 1.01 k. R3 = R1*R2 / (R1 + R2); R3*R1 + R3*R2 = R1*R2: R3*R2 = R1 (R2 - R3) Thus R1 = R3 * R2 / (R2 - R3) = 1.02 k. Application example A gas burner flame detection circuit shown in Figure 19 consists of two amplifiers: AMP1 configured as an inverting amplifier and AMP2 configured as a comparator. If S1 selects VCC, the inverting terminal of AMP2 is logic 1 (HIGH). When the flame is ON, the output of AMP1 is HIGH. Thus, the output of AMP2 is HIGH. Conversely, when the flame is OFF, AMP2 output is LOW. VCC 8 R1 THERMOCOUPLE IN1- 2 AMP1 AMP2 1 R3 IN1+ 22 k 1.27 V 22 k R2 GND 4 OUT1 3 IN2+ 5 6 IN2- 7 OUT2 S1 VCC SL01914 Figure 19. SA58602 gas burner flame detection circuit. 2002 Nov 13 8 Philips Semiconductors Product data High precision operational amplifier SA58602 PACKING METHOD GUARD BAND TAPE REEL ASSEMBLY TAPE DETAIL COVER TAPE CARRIER TAPE BARCODE LABEL BOX SL01305 Figure 20. Tape and reel packing method. 2002 Nov 13 9 Philips Semiconductors Product data High precision operational amplifier SA58602 SO8: plastic small outline package; 8 leads; body width 3.9 mm pin 1 index B2 1.73 0.068 4.95 4.80 0.189 0.195 0.51 0.33 0.013 0.020 4.95 4.80 1.27 0.38 0.050 0.015 0.076 0.003 SO8 2002 Nov 13 10 Philips Semiconductors Product data High precision operational amplifier SA58602 REVISION HISTORY Rev _2 Date 20021113 Description Product data (9397 750 10648). Supersedes SA58602_1 of 2001 Oct 03 (9397 750 08954). Engineering Change Notice 853-2288 29133 (date: 20021031). Modifications: * Added "Typical characterization curves" and "Application information" sections. _1 20011003 Product data; initial version (9397 750 08954). Engineering Change Notice 853-2288 27197 (date: 20011003). 2002 Nov 13 11 Philips Semiconductors Product data High precision operational amplifier SA58602 Data sheet status Level I Data sheet status [1] Objective data Product status [2] [3] Development Definitions This data sheet contains data from the objective specification for product development. Philips Semiconductors reserves the right to change the specification in any manner without notice. This data sheet contains data from the preliminary specification. Supplementary data will be published at a later date. Philips Semiconductors reserves the right to change the specification without notice, in order to improve the design and supply the best possible product. This data sheet contains data from the product specification. Philips Semiconductors reserves the right to make changes at any time in order to improve the design, manufacturing and supply. Relevant changes will be communicated via a Customer Product/Process Change Notification (CPCN). II Preliminary data Qualification III Product data Production [1] Please consult the most recently issued data sheet before initiating or completing a design. [2] The product status of the device(s) described in this data sheet may have changed since this data sheet was published. The latest information is available on the Internet at URL http://www.semiconductors.philips.com. [3] For data sheets describing multiple type numbers, the highest-level product status determines the data sheet status. Definitions Short-form specification -- The data in a short-form specification is extracted from a full data sheet with the same type number and title. For detailed information see the relevant data sheet or data handbook. Limiting values definition -- Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 60134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information -- Applications that are described herein for any of these products are for illustrative purposes only. Philips Semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or modification. Disclaimers Life support -- These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application. Right to make changes -- Philips Semiconductors reserves the right to make changes in the products--including circuits, standard cells, and/or software--described or contained herein in order to improve design and/or performance. When the product is in full production (status `Production'), relevant changes will be communicated via a Customer Product/Process Change Notification (CPCN). Philips Semiconductors assumes no responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless otherwise specified. Contact information For additional information please visit http://www.semiconductors.philips.com. Fax: +31 40 27 24825 (c) Koninklijke Philips Electronics N.V. 2002 All rights reserved. Printed in U.S.A. Date of release: 11-02 For sales offices addresses send e-mail to: sales.addresses@www.semiconductors.philips.com. Document order number: 9397 750 10648 Philips Semiconductors 2002 Nov 13 12 |
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