|Category||Analog & Mixed-Signal Processing => Amplifiers => Operational Amplifiers => Precision => Dual|
|Description||Precision op Amp: Dual|
|Datasheet||Download OP313 datasheet
FEATURES Single- or Dual-Supply Operation Low Noise: 4.7 nV/ @ 1 kHz Wide Bandwidth: 3.4 MHz Low Offset Voltage: 100 V Very Low Drift: V/ C Unity Gain Stable No Phase Reversal APPLICATIONS Digital Scales Multimedia Strain Gages Battery Powered Instrumentation Temperature Transducer Amplifier
The OP113 family of single supply operational amplifiers features both low noise and drift. It has been designed for systems with internal calibration. Often these processor-based systems are capable of calibrating corrections for offset and gain, but they cannot correct for temperature drifts and noise. Optimized for these parameters, the OP113 family can be used to take advantage of superior analog performance combined with digital correction. Many systems using internal calibration operate from unipolar supplies, usually either +5 volts or +12 volts. The OP113 family is designed to operate from single supplies from +4 volts to +36 volts, and to maintain its low noise and precision performance. The OP113 family is unity gain stable and has a typical gain bandwidth product of 3.4 MHz. Slew rate is in excess of 1 V/µs. Noise density is a very low 4.7 nV/Hz, and noise in the 10 Hz band 120 nV p-p. Input offset voltage is guaranteed and offset drift is guaranteed to be less than 0.8 µV/°C. Input common-mode range includes the negative supply and to within 1 volt of the positive supply over the full supply range. Phase reversal protection is designed into the OP113 family for cases where input voltage range is exceeded. Output voltage swings also include the negative supply and go to within 1 volt of the positive rail. The output is capable of sinking and sourcing current throughout its range and is specified with 600 loads. Digital scales and other strain gage applications benefit from the very low noise and low drift of the OP113 family. Other applications include use as a buffer or amplifier for both A/D and
D/A sigma-delta converters. Often these converters have high resolutions requiring the lowest noise amplifier to utilize their full potential. Many of these converters operate in either single supply or low supply voltage systems, and attaining the greater signal swing possible increases system performance. The OP113 family is specified for single +5 volt and dual ± 15 volt operation over the XIND--extended industrial to +85°C) temperature range. They are available in plastic and SOIC surface mount packages.
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. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 World Wide Web Site: http://www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 1998Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection
Short Circuit Limit POWER SUPPLY Power Supply Rejection Ratio
Supply Voltage Range AUDIO PERFORMANCE THD + Noise Voltage Noise Density Current Noise Density Voltage Noise DYNAMIC PERFORMANCE Slew Rate Gain Bandwidth Product Channel Separation Settling Time
NOTES 1 Long-term offset voltage is guaranteed a 1000-hour life test performed on three independent lots at 125 °C, with an LTPD 1.3. 2 Guaranteed specifications, based on characterization data. Specifications subject to change without notice.Units V dB V/µV µV µV/° mA % nV/Hz pA/Hz nV p-p V/µs MHz µs
Output Voltage Swing Low Short Circuit Limit POWER SUPPLY Supply Current Supply Current AUDIO PERFORMANCE THD + Noise Voltage Noise Density Current Noise Density Voltage Noise DYNAMIC PERFORMANCE Slew Rate Gain Bandwidth Product Settling Time
NOTES 1 Long-term offset voltage is guaranteed a 1000 hour life test performed on three independent lots at 125 °C, with an LTPD 1.3. 2 Guaranteed specifications, based on characterization data. Specifications subject to change without notice.
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