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OPA1642AQDGKRQ1 Datasheet(PDF) 5 Page - Texas Instruments |
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OPA1642AQDGKRQ1 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 31 page  5 OPA1641-Q1, OPA1642-Q1 www.ti.com SBOS791 – JUNE 2017 Product Folder Links: OPA1641-Q1 OPA1642-Q1 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated (1) Full power bandwidth = SR / (2π × VP), where SR = slew rate. (2) See Figure 19 and Figure 20. 6.5 Electrical Characteristics at TA = 25°C, VS = 4.5 V to 36 (±2.25 V to ±18 V), RL = 2 kΩ connected to midsupply, and VCM = VOUT = midsupply (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT AUDIO PERFORMANCE THD+N Total harmonic distortion + noise G = 1, f = 1 kHz, VO = 3 VRMS 0.00005% –126 dB IMD Intermodulation distortion SMPTE/DIN two-tone, 4:1 (60 Hz and 7 kHz), G = 1, VO = 3 VRMS 0.00004% –128 dB DIM 30 (3-kHz square wave and 15-kHz sine wave), G = 1, VO = 3 VRMS 0.00008% –122 dB CCIF twin-tone (19 kHz and 20 kHz), G = 1, VO = 3 VRMS 0.00007% –123 dB FREQUENCY RESPONSE GBW Gain-bandwidth product G = 1 11 MHz SR Slew rate G = 1 20 V/μs Full-power bandwidth(1) VO = 1 VP 3.2 MHz Overload recovery time(2) G = –10 600 ns Channel separation (dual and quad) f = 1 kHz –126 dB NOISE Input voltage noise f = 20 Hz to 20 kHz 4.3 μVPP en Input voltage noise density f = 10 Hz 8 nV/ √Hz f = 100 Hz 5.8 f = 1 kHz 5.1 In Input current noise density f = 1 kHz 0.8 fA/ √Hz OFFSET VOLTAGE VOS Input offset voltage VS = ±18 V 1 3.5 mV PSRR VOS vs power supply VS = ±2.25 V to ±18 V 0.14 2 μV/V INPUT BIAS CURRENT IB Input bias current VCM = 0 V ±2 ±20 pA IOS Input offset current VCM = 0 V ±2 ±20 pA INPUT VOLTAGE RANGE VCM Common-mode voltage range (V–) – 0.1 (V+) – 3.5 V CMRR Common-mode rejection ratio VCM = (V–) – 0.1 V to (V+) – 3.5 V, VS = ±18 V 120 126 dB INPUT IMPEDANCE Differential 1013 || 8 Ω || pF Common-mode VCM = (V–) – 0.1 V to (V+) – 3.5 V 1013 || 6 Ω || pF OPEN-LOOP GAIN AOL Open-loop voltage gain (V–) + 0.2 V ≤ VO ≤ (V+) – 0.2 V, RL = 10 kΩ 120 134 dB (V–) + 0.35 V ≤ VO ≤ (V+) – 0.35 V, RL = 2 kΩ 114 126 |
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