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SSM2141SZ Datasheet(PDF) 1 Page - Analog Devices |
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SSM2141SZ Datasheet(HTML) 1 Page - Analog Devices |
1 / 8 page FUNCTIONAL BLOCK DIAGRAM SSM2141 –IN +IN SENSE +VCC OUTPUT –VEE REFERENCE 25k Ω 25k Ω 25k Ω 25k Ω 1 3 2 5 7 6 4 PIN CONNECTIONS 8-Pin Plastic Mini-DIP (P Suffix) Narrow Body SO (S Suffix) 1 2 3 4 8 7 6 5 TOP VIEW (Not to Scale) NC = NO CONNECT SSM2141 REFERENCE SENSE OUTPUT V+ NC –IN +IN V– REV. 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 rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a High Common-Mode Rejection Differential Line Receiver SSM2141 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 617/329-4700 Fax: GENERAL DESCRIPTION The SSM2141 is an integrated differential amplifier intended to receive balanced line inputs in audio applications requiring a high level of noise immunity and optimum common-mode rejection. The SSM2141 typically achieves 100 dB of common- mode rejection (CMR), whereas implementing an op amp with four off-the-shelf precision resistors will typically achieve only 40 dB of CMR—inadequate for high-performance audio. The SSM2141 achieves low distortion performance by maintaining a large slew rate of 9.5 V/ µs and high open-loop gain. Distortion is less than 0.002% over the full audio bandwidth. The SSM2141 complements the SSM2142 balanced line driver. Together, these devices comprise a fully integrated solution for equivalent transformer balancing of audio signals without the problems of distortion, EMI fields, and high cost. Additional applications for the SSM2141 include summing signals, differential preamplifiers, and 600 Ω low distortion buffer amplifiers. For similar performance with G = 1/2, see SSM2143. FEATURES High Common-Mode Rejection DC: 100 dB typ 60 Hz: 100 dB typ 20 kHz: 70 dB typ 40 kHz: 62 dB typ Low Distortion: 0.001% typ Fast Slew Rate: 9.5 V/ s typ Wide Bandwidth: 3 MHz typ Low Cost Complements SSM2142 Differential Line Driver APPLICATIONS Line Receivers Summing Amplifiers Buffer Amplifiers–Drives 600 Load C 781/461-3113 |
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