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| RH1498M 10MHz, 6V/s, Dual Rail-to-Rail Input and Output Precision C-Load Op Amp DESCRIPTION The RH1498 is a dual, rail-to-rail input and output precision C-LoadTM op amp with a 10MHz gain-bandwidth product and a 6V/s slew rate. The RH1498 is designed to maximize input dynamic range by delivering precision performance over the full supply voltage. Using a patented technique, the input stages of the RH1498 are trimmed, one at the negative supply and the other at the positive supply. The resulting guaranteed common mode rejection is much better than other rail-torail input op amps. When used as a unity-gain buffer in front of single supply 12-bit A-to-D converters, the RH1498 is guaranteed to add less than 1LSB of error even in single 3V supply systems. With 110dB of supply rejection, the RH1498 maintains its performance over a supply range of 2.2V to 36V. The inputs can be driven beyond the supplies without damage or phase reversal of the output. These op amps remain stable while driving capacitive loads up to 10,000pF . The wafer lots are processed to Linear Technology's inhouse Class S flow to yield circuits usable in stringent military and space applications. L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. C-Load is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. ABSOLUTE MAXIMUM RATINGS (Note 1) Total Supply Voltage (V + to V-) ............................... 36V Input Current....................................................... 10mA Output Short-Circuit Duration (Note 2) ........ Continuous Operating Temperature Range............... - 55C to 125C Specified Temperature Range ................ - 55C to 125C Junction Temperature ......................................... 150C Storage Temperature Range...................- 65C to 150C Lead Temperature (Soldering, 10 sec) .................. 300C BURN-IN CIRCUIT 50k 16V PACKAGE INFORMATION TOP VIEW OUT A -IN A +IN A 1 2 3 4 5 10 9 8 7 6 V+ OUT B -IN B +IN B NC 100 RH1498M NC V- 50k -16V RH1498M BI W PACKAGE 10-LEAD FLATPAK RH1498Mfc 1 RH1498M TABLE 1: ELECTRICAL CHARACTERISTICS (Preirradiation) VS = 15V, VCM = VOUT = 0V, unless otherwise noted. TA = 25C SYMBOL PARAMETER VOS Input Offset Voltage Input Offset Voltage Match (Channel-to-Channel) (Note 3) IB Input Bias Current CONDITIONS VCM VCM = 14.5V, -14.5V VCM = V+ to V- VCM = 14.5V to -14.5V VCM = V+ VCM = 14.5V VCM = V- VCM = -14.5V VCM = V+, V- VCM = 14.5V, -14.5V VCM = V+, V- VCM = 14.5V, -14.5V -15 0.1Hz to 10Hz f = 1kHz f = 1kHz VO = -14.5V to 14.5V, R1 = 10k VO = -10V to 10V, R1 = 2k VCM = V+ to V- VCM = 14.5V to -14.5V VCM = V+ to V- VCM = 14.5V to -14.5V VS = 2V to 16V VS = 2V to 16V 3 3 1000 500 90 84 400 12 0.3 5200 2300 102 103 80 90 83 110 110 1 88 82 100 100 2, 3 1 86 102 4 60 25 400 100 2, 3 5, 6 3 3 = V+, V- NOTES MIN TYP 200 250 SUBMAX GROUP 800 1 1400 450 0 -715 0 250 -250 12 715 1 0 -1200 200 50 6 70 1 15 -14.5 40 300 14.5 2, 3 400 -500 0 500 1200 2, 3 1800 350 1100 2, 3 -55C TA 125C MIN TYP MAX SUBGROUP UNITS V V V V nA nA nA nA nA nA nA nA V nVP-P nV/Hz pA/Hz V/mV V/mV dB dB dB dB dB dB Input Bias Current Match (Channel-to-Channel) (Note 3) IOS Input Offset Current Input Voltage Range Input Noise Voltage en in AVOL Input Noise Voltage Density Input Noise Current Density Large-Signal Voltage Gain CMRR Common Mode Rejection Ratio CMRR Match (Channel-to-Channel) (Note 3) PSRR Power Supply Rejection Ratio PSRR Match (Channel-to-Channel) (Note 3) VOL Output Voltage Swing (Low) (Note 4) No Load ISINK = 1mA ISINK = 10mA ISINK = 5mA No Load ISINK = 1mA ISINK = 10mA ISINK = 5mA 4 18 50 230 2.5 75 420 15 30 1.8 30 100 500 10 150 800 4 25 70 180 75 150 500 25 250 800 5, 6 mV mV mV mV mV mV mV mV mA mA MHz V/s VOH Output Voltage Swing (High) (Note 4) 4 4 5 100 300 5, 6 ISC IS GBW SR Short-Circuit Current Supply Current per Amp Gain-Bandwidth Product Slew Rate f = 100kHz AV = -1, RL = 2k, VO = 10V, Measure at VO = 5V 1 2.5 1 7.5 5.8 12 2.2 8.5 4 3 2, 3 2, 3 5, 6 6.8 3.5 10.5 6 4 2.2 RH1498Mfc 2 RH1498M TABLE 1A: ELECTRICAL CHARACTERISTICS (Postirradiation) VS = 15V, VCM = 0V, TA = 25C, unless otherwise noted. 10-Krad(Si) SYMBOL PARAMETER VOS IB IOS AVOL Input Offset Voltage Input Bias Current Input Offset Current Input Voltage Range Large-Signal Voltage Gain VO = -14.5V to 14.5V, R1 = 10k VO = -10V to 10V, R1 = 2k CMRR Common Mode Rejection Ratio CMRR Match (Channel-to-Channel) PSRR Power Supply Rejection Ratio PSRR Match (Channel-to-Channel) VOUT Output Voltage Swing Low Output Voltage Swing High ISC IS GBW SR Short-Circuit Current Supply Current Gain-Bandwidth Product f = 100kHz Slew Rate AV = -1, RL = 10k, VO = 10V, Measure at VO = 5V 4.5 3 VCM = V+ to V- VCM = V+ to V- VS = 2V to 16V VS = 2V to 16V No Load ISINK = 1mA ISINK = 10mA No Load ISINK = 1mA ISINK = 10mA 3 3 CONDITIONS VCM = V+, V- VCM = V+, V- VCM = V+, V- V- 500 250 86 83 90 83 60 100 500 20 150 800 10 2.5 4.5 3 10 2.5 4.5 3 NOTES MIN MAX 950 765 100 V+ V- 500 250 86 83 90 83 60 100 500 20 150 800 10 2.5 4.5 3 20Krad(Si) MIN MAX 950 815 100 V+ V- 500 250 86 83 90 83 60 100 500 20 150 800 10 2.5 4.5 3 50Krad(Si) MIN MAX 950 865 100 V+ V- 500 250 86 83 90 83 60 100 500 20 150 800 10 2.5 100Krad(Si) 200Krad(Si) MIN MAX 950 915 100 V+ V- 500 250 86 83 90 83 60 100 500 20 150 800 MIN MAX 950 965 100 V+ UNITS V nA nA V V/mV V/mV dB dB dB dB mV mV mV mV mV mV mA mA MHz V/s 4 4 RH1498Mfc 3 RH1498M TABLE 2: ELECTRICAL CHARACTERISTICS (Preirradiation) VS = 3V, 5V; VCM = VOUT = half supply, unless otherwise noted. TA = 25C SYMBOL PARAMETER VOS Input Offset Voltage CONDITIONS VCM = V+, V- VCM = V+ - 0.5V, V- + 0.5V 3 NOTES MIN TYP 150 200 SUBMAX GROUP 800 1 1400 350 0 250 650 1 -650 -250 0 3 5 V- 0.1Hz to 10Hz 400 12 0.3 5 VS = 5V, VO = 75mV to 4.8V, RL = 10k VS = 3V, VO = 75mV to 2.8V, RL = 10k VS = 5V, VCM = V+ to V- VS = 3V, VCM = V+ to V- VS = 5V, VCM = 0.5V to 4.5V VS = 3V, VCM = 0.5V to 2.5V VS = 5V, VCM = V+ to V- VS = 3V, VCM = V+ to V- VS = 5V, VCM = 0.5V to 4.5V VS = 3V, VCM = 0.5V to 2.5V VS = 2.2V to 12V, VCM = VO = 0.5V VS = 2.2V to 12V, VCM = VO = 0.5V No Load ISINK = 1mA ISINK = 2.5mA No Load ISINK = 1mA ISINK = 2.5mA VS = 5V VS = 3V VS = 5V, f = 100kHz VS = 2.5V, AV = -1, RL = 2k, VO = 2V, Measure at VO = 1V 3 3 600 3800 500 2000 76 72 90 86 4 60 25 210 210 5, 6 65 1 V+ V- + 0.5V 15 300 V+ - 0.5V 2, 3 10 0 -1100 180 0 30 400 -450 0 0 450 1100 2, 3 1800 300 1100 2, 3 -55C TA 125C MIN TYP MAX SUBGROUP UNITS V V V V nA nA nA nA nA nA nA nA V nVP-P nV/Hz pA/Hz pF V/mV V/mV dB dB dB dB dB dB dB dB dB dB Input Offset Voltage Match VCM = V+ to V- (Channel-to-Channel) VCM = V+ - 0.5V, V- + 0.5V (Note 3) IB Input Bias Current VCM = V+ VCM = V+ - 0.5V VCM = V- VCM = V- + 0.5V VCM = V+, V- VCM = V+ - 0.5V, V- + 0.5V VCM = V+, V- VCM = V+ - 0.5V, V- + 0.5V Input Bias Current Match (Channel-to-Channel) (Note 3) IOS Input Offset Current Input Voltage Range Input Noise Voltage en in CIN AVOL Input Noise Voltage Density f = 1kHz Input Noise Current Density f = 1kHz Input Capacitance Large-Signal Voltage Gain CMRR Common Mode Rejection Ratio 1 68 65 85 85 2, 3 CMRR Match (Channel-to-Channel) (Note 3) PSRR Power Supply Rejection Ratio PSRR Match (Channel-to-Channel) (Note 3) VOL Output Voltage Swing (Low) (Note 4) Output Voltage Swing (High) (Note 4) Short-Circuit Current Supply Current per Amp Gain-Bandwidth Product Slew Rate 75 70 91 86 1 66 62 82 104 118 2, 3 88 82 105 120 1 86 80 2, 3 4 14 50 90 2.5 70 140 12.5 12.0 6.8 2.6 24 19 1.7 10.5 4.5 30 100 200 10 150 250 4 25 65 110 5 100 180 5 5 5.8 10 9.5 2 8.5 3.6 2 75 150 220 25 250 300 5, 6 mV mV mV mV mV mV mA mA mA MHz V/s VOH 4 4 1 5, 6 2, 3 ISC IS GBW SR 2.2 1 4 2.7 2, 3 5, 6 RH1498Mfc 4 RH1498M TABLE 2A: ELECTRICAL CHARACTERISTICS (Postirradiation) VS = 5V, 3V; VCM = half supply, TA = 25C, unless otherwise noted. 10Krad(Si) SYMBOL PARAMETER VOS IB IOS AVOL CMRR Input Offset Voltage Input Bias Current Input Offset Current Input Voltage Range Large-Signal Voltage Gain Common Mode Rejection Ratio CMRR Match (Channel-to-Channel) PSRR Power Supply Rejection Ratio PSRR Match (Channel-to-Channel) VOUT Output Voltage Swing Low Output Voltage Swing High ISC IS SR Short-Circuit Current Supply Current Slew Rate VS = 2.5V, AV = -1, RL = 10k, VO = 2V, Measure at VO = 1V 2 VO R1 = 10k = 75mV to V+ - 0.2V CONDITIONS VCM = V+, V- VCM VCM = V+, V- = V+, V- V- 300 70 3 70 88 3 82 60 100 200 20 150 250 8 2.2 2 8 2.2 2 NOTES MIN MAX 950 700 65 V+ V- 300 70 70 88 82 60 100 200 20 150 250 8 2.2 2 20Krad(Si) MIN MAX 950 750 65 V+ V- 300 70 70 88 82 60 100 200 20 150 250 8 2.2 2 50Krad(Si) MIN MAX 950 800 65 V+ V- 300 70 70 88 82 60 100 200 20 150 250 8 2.2 100Krad(Si) 200Krad(Si) MIN MAX 950 850 65 V+ V- 300 70 70 88 82 60 100 200 20 150 250 MIN MAX 950 900 65 V+ UNITS V nA nA V V/mV dB dB dB dB mV mV mV mV mV mV mA mA V/s VCM = V+ to V- VCM = V+ to V- VS = 2.2V to 12V, VCM = VO = 0.5V VS = 2.2V to 12V, VCM = VO = 0.5V No Load ISINK = 1mA ISINK = 2.5mA No Load ISINK = 1mA ISINK = 2.5mA 4 4 Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: A heat sink may be required to keep the junction temperature below this absolute maximum rating when the output is shorted indefinitely. Note 3: Matching parameters are the difference between amplifiers A and B. Note 4: Output voltage swings are measured between the output and power supply rails. RH1498Mfc 5 RH1498M TABLE 2: ELECTRICAL TEST REQUIREMENTS MIL-STD-883 TEST REQUIREMENTS Final Electrical Test Requirements (Method 5004) Group A Test Requirements (Method 5005) Group B and D for Class S, and End Point Electrical Parameters (Method 5005) *PDA applies to subgroup 1. See PDA Test Notes. SUBGROUP 1*,2,3,4,5,6 1,2,3,4,5,6 1,2,3 PDA Test Notes The PDA is specified as 5% based on failures from group A, subgroup 1, tests after cooldown as the final electrical test in accordance with method 5004 of MIL-STD-883. The verified failures of group A, subgroup 1, after burn-in divided by the total number of devices submitted for burn-in in that lot shall be used to determine the percent for the lot. Linear Technology Corporation reserves the right to test to tighter limits than those given. TOTAL DOSE BIAS CIRCUIT 40pF 5k 15V - 5k 8V + -15V RH1498 TC RH1498Mfc 6 RH1498M TYPICAL PERFORMANCE CHARACTERISTICS Large Signal Voltage Gain 8000 RL = 10k 4000 Large Signal Voltage Gain VS = 15V VO = 10V RL = 2k SLEW RATE (V/s) 8 Slew Rate VS = 15V VO = 10V RL = 10k 6000 AVOL (V/mV) AVOL (V/mV) VS = 15V VO = 14.5V 3000 6 4000 VS = 5V VO = 75mV TO 4.8V 2000 VS = 3V VO = 75mV TO 2.8V 0 1 10 100 TOTAL DOSE-krads (Si) 1000 RH1498 G01 2000 4 1000 2 0 1 10 100 TOTAL DOSE-krads (Si) 1000 RH1498 G02 0 1 10 100 TOTAL DOSE-krads (Si) 1000 RH1498 G03 Supply Current per Amp 4 VS = 15, 5V, 3V 800 600 3 VOS (V) 400 200 Input Offset Voltage VS = 15V, 5V, 3V VCM = 0V 80 60 40 20 IOS (nA) 0 -20 -40 -60 -80 1 10 100 TOTAL DOSE-krads (Si) 1000 RH1498 G05 Input Offset Current VS = 15V, 5V, 3V VCM = 0V IS (mA) 2 0 -200 1 -400 -600 0 1 10 100 TOTAL DOSE-krads (Si) 1000 RH1498 G04 -800 1 10 100 TOTAL DOSE-krads (Si) 1000 RH1498 G06 Input Bias Current 0 VS = 15V, 5V, 3V VCM = 0V 130 120 110 CMRR (dB) Common Mode Rejection Ratio V- V CM Power Supply Rejection Ratio 160 2V VS 16V VCM = 0V V+ -200 140 PSRR (dB) VS = 15V VS = 5V 100 90 80 70 60 IB (nA) -400 120 VS = 3V -600 100 -800 1 10 100 TOTAL DOSE-krads (Si) 1000 RH1498 G07 50 1 10 100 TOTAL DOSE-krads (Si) 1000 RH1498 G08 80 1 10 100 TOTAL DOSE-krads (Si) 1000 RH1498 G09 RH1498Mfc Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representation that the interconnection of its circuits as described herein will not infringe on existing patent rights. 7 RH1498M TYPICAL PERFORMANCE CHARACTERISTICS Supply Current vs Supply Voltage 2.0 SUPPLY CURRENT PER AMPLIFIER (mA) TA = 125C TA = 25C 1.5 TA = -55C 1.0 SUPPLY CURRENT PER AMPLIFIER (mA) 2.0 VS = 15V 1.5 INPUT BIAS CURRENT (nA) VS = 5V, 0V Supply Current vs Temperature 400 300 200 100 0 -100 -200 -300 0 -50 -25 -400 0 75 50 25 TEMPERATURE (C) 100 125 Input Bias Current vs Common Mode Voltage VS = 5V, 0V 1.0 0.5 0.5 TA = 125C TA = 25C TA = -55C 0 0 4 8 12 16 20 24 28 32 TOTAL SUPPLY VOLTAGE (V) 36 -2 -1 0 2 3 4 5 1 COMMON MODE VOLTAGE (V) 6 RH1498 G10 RH1498 G11 RH1498 G12 Open-Loop Voltage Gain vs Temperature 10000 OPEN LOOP VOLTAGE GAIN (V/mV) 400 RL = 2k VS = 15V INPUT BIAS CURRENT (nA) 300 200 Input Bias Current vs Temperature VS = 15V VCM = 15V NPN ACTIVE 100 0 -100 PNP ACTIVE -200 -300 VS = 15V VCM = -15V VS = 5V, 0V VCM = 0V VS = 5V, 0V VCM = 5V 1000 100 10 -50 -25 0 25 50 75 100 125 TEMPERATURE (C) RH1498 G13 -400 -50 -35 -20 -5 10 25 40 55 70 85 100 TEMPERATURE (C) RH1498 G14 Output Saturation Voltage vs Load Current (Output High) 1000 1000 Output Saturation Voltage vs Load Current (Output Low) SATURATION VOLTAGE (mV) 100 SATURATION VOLTAGE (mV) 100 TA = 25C TA = 125C 10 TA = -55C 10 TA = -55C TA = 125C TA = 25C 1 0.001 0.01 0.1 1 LOAD CURRENT (mA) 10 RH1498 G15 1 0.001 0.1 1 0.01 LOAD CURRENT (mA) 10 RH1498 G16 I.D. No. 66-10-1089 RH1498Mfc 8 Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 LT 0708 REV C * PRINTED IN USA www.linear.com (c) LINEAR TECHNOLOGY CORPORATION 2003 |
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