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OPA4251 Dataheets PDF



Part Number OPA4251
Manufacturers Burr-Brown
Logo Burr-Brown
Description Single-Supply / MicroPOWER OPERATIONAL AMPLIFIERS
Datasheet OPA4251 DatasheetOPA4251 Datasheet (PDF)

® OPA 241 OPA 425 1 OPA241 OPA2241 OPA4241 OPA 424 1 OPA 225 1 OPA251 OPA2251 OPA4251 Single-Supply, MicroPOWER OPERATIONAL AMPLIFIERS OPA241 Family optimized for +5V supply. OPA251 Family optimized for ±15V supply. DESCRIPTION The OPA241 series and OPA251 series are specifically designed for battery powered, portable applications. In addition to very low power consumption (25µA), these amplifiers feature low offset voltage, rail-to-rail output swing, high common-mode rejection, and high .

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® OPA 241 OPA 425 1 OPA241 OPA2241 OPA4241 OPA 424 1 OPA 225 1 OPA251 OPA2251 OPA4251 Single-Supply, MicroPOWER OPERATIONAL AMPLIFIERS OPA241 Family optimized for +5V supply. OPA251 Family optimized for ±15V supply. DESCRIPTION The OPA241 series and OPA251 series are specifically designed for battery powered, portable applications. In addition to very low power consumption (25µA), these amplifiers feature low offset voltage, rail-to-rail output swing, high common-mode rejection, and high open-loop gain. The OPA241 series is optimized for operation at low power supply voltage while the OPA251 series is optimized for high power supplies. Both can operate from either single (+2.7V to +36V) or dual supplies (±1.35V to ±18V). The input common-mode voltage range extends 200mV below the negative supply—ideal for single-supply applications. They are unity-gain stable and can drive large capacitive loads. Special design considerations assure that these products are easy to use. High performance is maintained as the amplifiers swing to their specified limits. Because the initial offset voltage (±250µV max) is so low, user adjustment is usually not required. However, external trim pins are provided for special applications (single versions only). The OPA241 and OPA251 (single versions) are available in standard 8-pin DIP and SO-8 surface-mount packages. The OPA2241 and OPA2251 (dual versions) come in 8-pin DIP and SO-8 surface-mount packages. The OPA4241 and OPA4251 (quad versions) are available in 14-pin DIP and SO-14 surface-mount packages. All are fully specified from –40°C to +85°C and operate from –55°C to +125°C. FEATURES q q q q MicroPOWER: IQ = 25µA q q q q SINGLE-SUPPLY OPERATION RAIL-TO-RAIL OUTPUT (within 50mV) WIDE SUPPLY RANGE Single Supply: +2.7V to +36V Dual Supply: ±1.35V to ±18V LOW OFFSET VOLTAGE: ±250µV max HIGH COMMON-MODE REJECTION: 124dB HIGH OPEN-LOOP GAIN: 128dB SINGLE, DUAL, AND QUAD APPLICATIONS q BATTERY OPERATED INSTRUMENTS q PORTABLE DEVICES q MEDICAL INSTRUMENTS q TEST EQUIPMENT OPA241, OPA251 Offset Trim –In +In V– 1 2 3 4 8-Pin DIP, SO-8 8 7 6 5 NC V+ Output Offset Trim OPA2241, OPA2251 Out A –In A +In A V– 1 2 3 4 8-Pin DIP, SO-8 A B 8 7 6 5 V+ Out B –In B +In B Out A –In A +In A V+ +In B –In B Out B 1 2 OPA4241, OPA4251 14 13 A 3 4 5 B 6 7 14-Pin DIP, SO-14 C 9 8 –In C Out C D 12 11 10 +In D V– +In C Out D –In D International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111 Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132 © 1997 Burr-Brown Corporation PDS-1406B 1 OPA241, 2241, 4241 Printed in U.S.A. October, 1998 OPA251, 2251, 4251 ® SBOS075 SPECIFICATIONS: VS = 2.7V to 5V At TA = +25°C, RL = 100kΩ connected to VS/2, unless otherwise noted. Boldface limits apply over the specified temperature range, TA = –40°C to +85°C. OPA241UA, PA OPA2241UA, PA OPA4241UA, PA PARAMETER OFFSET VOLTAGE Input Offset Voltage TA = –40°C to +85°C vs Temperature vs Power Supply TA = –40°C to +85°C Channel Separation (dual, quad) INPUT BIAS CURRENT Input Bias Current(2) TA = –40°C to +85°C Input Offset Current TA = –40°C to +85°C NOISE Input Voltage Noise, f = 0.1Hz to 10Hz Input Voltage Noise Density, f = 1kHz Current Noise Density, f = 1kHz INPUT VOLTAGE RANGE Common-Mode Voltage Range Common-Mode Rejection Ratio TA = –40°C to +85°C INPUT IMPEDANCE Differential Common-Mode OPEN-LOOP GAIN Open-Loop Voltage Gain TA = –40°C to +85°C TA = –40°C to +85°C FREQUENCY RESPONSE Gain-Bandwidth Product Slew Rate Overload Recovery Time OUTPUT Voltage Output Swing from Rail(3) TA = –40°C to +85°C TA = –40°C to +85°C Short-Circuit Current Single Versions Dual, Quad Versions Capacitive Load Drive POWER SUPPLY Specified Voltage Range Operating Voltage Range Quiescent Current (per amplifier) TA = –40°C to +85°C TEMPERATURE RANGE Specified Range Operating Range Storage Range Thermal Resistance 8-Pin DIP SO-8 Surface Mount 14-Pin DIP SO-14 Surface Mount GBW SR AOL RL = 100kΩ, VO = (V–)+100mV to (V+)–100mV RL = 100kΩ, VO = (V–)+100mV to (V+)–100mV RL = 10kΩ, VO = (V–)+200mV to (V+)–200mV RL = 10kΩ, VO = (V–)+200mV to (V+)–200mV 100 100 100 100 VOS dVOS/dT PSRR TA = –40°C to +85°C VS = 2.7V to 36V VS = 2.7V to 36V CONDITION MIN TYP(1) ±50 MAX ±250 OPA251UA, PA OPA2251UA, PA OPA4251UA, PA MIN TYP(1) ±100 MAX UNITS µV µV µV/°C µV/V µV/V µV/V nA nA nA nA µVp-p nV/√Hz fA/√Hz V dB dB Ω || pF Ω || pF dB dB dB dB kHz V/µs µs mV mV mV mV mV mA mA ±100 ±0.4 3 0.3 ±400 30 30 ±130 ±0.6 T T T T IB IOS –4 ±0.1 –20 –25 ±2 ±2 T T en in –0.2 80 80 1 45 40 (V+) –0.8 106 T T T VCM CMRR VCM = –0.2V to (V+) –0.8V VCM = 0V to (V+) –0.8V T 107 || 2 109 || 4 120 120 T T T T VS = 5V, G = 1 VIN • G = VS RL = 100kΩ to VS /2, AOL ≥ 70dB RL = 100kΩ to VS /2, AOL ≥ 100dB.


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