OPA2251| Datasheet

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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 (25uA), 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 ( 250uV max) is so low, user adjustment is usually not required. However, external trim pins are provided for special applications (single versions o
nly). 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 = 25uA

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: 250uV 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. OPA251, 2251, 4251 October, 1998

SBOS075