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OPA1641_101 Datasheet(PDF) 3 Page - Texas Instruments |
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OPA1641_101 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 25 page  OPA1641 OPA1642 OPA1644 www.ti.com SBOS484A – DECEMBER 2009 – REVISED APRIL 2010 ELECTRICAL CHARACTERISTICS: VS = +4.5V to +36; ±2.25V to ±18V At TA = +25°C, RL = 2kΩ connected to midsupply, VCM = VOUT = midsupply, unless otherwise noted. OPA1641, OPA1642, OPA1644 PARAMETER CONDITIONS MIN TYP MAX UNIT AUDIO PERFORMANCE 0.00005 % Total Harmonic Distortion + THD+N G = +1, f = 1kHz, VO = 3VRMS Noise –126 dB Intermodulation Distortion IMD G = +1, VO = 3VRMS 0.00004 % SMPTE/DIN Two-Tone, 4:1 (60Hz and 7kHz) –128 dB 0.00008 % DIM 30 (3kHz square wave and 15kHz sine wave) –122 dB 0.00007 % CCIF Twin-Tone (19kHz and 20kHz) –123 dB FREQUENCY RESPONSE Gain-Bandwidth Product GBW G = +1 11 MHz Slew Rate SR G = +1 20 V/ms Full-Power Bandwidth(1) VO = 1VP 3.2 MHz Overload Recovery Time(2) G = –10 600 ns Channel Separation (Dual and Quad) f = 1kHz –126 dB NOISE Input Voltage Noise f = 20Hz to 20kHz 4.3 mVPP Input Voltage Noise Density en f = 10Hz 8 nV/ √Hz f = 100Hz 5.8 nV/ √Hz f = 1kHz 5.1 nV/ √Hz Input Current Noise Density In f = 1kHz 0.8 fA/ √Hz OFFSET VOLTAGE Input Offset Voltage VOS VS = ±18V 1 3.5 mV vs Power Supply PSRR VS = ±2.25V to ±18V 0.14 2 mV/V INPUT BIAS CURRENT Input Bias Current IB VCM = 0V ±2 ±20 pA Input Offset Current IOS VCM = 0V ±2 ±20 pA INPUT VOLTAGE RANGE Common-Mode Voltage Range VCM (V–)-0.1 (V+)–3.5 V Common-Mode Rejection Ratio CMRR VCM = (V–) – 0.1V to (V+) – 3.5V, VS = ±18V 120 126 dB INPUT IMPEDANCE Differential Ω || pF 1013 || 8 VCM = (V–) – 0.1V to (V+) – 3.5V Common-Mode Ω || pF 1013 || 6 OPEN-LOOP GAIN Open-Loop Voltage Gain AOL (V–) + 0.2V ≤ VO ≤ (V+) – 0.2V, RL = 10kΩ 120 134 dB (V–) + 0.35V ≤ VO ≤ (V+) – 0.35V, RL = 2kΩ 114 126 dB (1) Full power bandwidth = SR/(2p × VP), where SR = slew rate. (2) See Figure 21 and Figure 22. Copyright © 2009–2010, Texas Instruments Incorporated 3 Product Folder Link(s): OPA1641 OPA1642 OPA1644 |
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