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OPA1688IDR Datasheet(PDF) 7 Page - Texas Instruments |
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OPA1688IDR Datasheet(HTML) 7 Page - Texas Instruments |
7 / 41 page OPA1688, OPA1689 www.ti.com SBOS724 – SEPTEMBER 2015 8.6 Electrical Characteristics At TA = 25°C, VS = ±2.25 V to ±18 V, VCM = VOUT = VS / 2, and RL = 10 kΩ connected to VS / 2, unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT AUDIO PERFORMANCE 0.00005% G = 1, f = 1 kHz, VO = 3.5 VRMS , RL = 2 kΩ –126 dB 0.000051% G = 1, f = 1 kHz, VO = 3.5 VRMS , RL = 600 Ω –126 dB 0.000153% Total harmonic distortion THD+N G = 1, f = 1 kHz, PO = 10 mW, RL = 128 Ω + noise –116 dB 0.000357% G = 1, f = 1 kHz, PO = 10 mW, RL = 32 Ω –109 dB 0.000616% G = 1, f = 1 kHz, PO = 10 mW, RL = 16 Ω –104 dB FREQUENCY RESPONSE GBP Gain bandwidth product G = 1 10 MHz SR Slew rate G = 1 8 V/µs Full-power bandwidth(1) VO = 1 VPP 1.3 MHz Overload recovery time VIN × gain > VS 200 ns Channel separation f = 1 kHz –120 dB (dual) tS Settling time To 0.1%, VS = ±18 V, G = 1, 10-V step 3 µs NOISE En Input voltage noise f = 0.1 Hz to 10 Hz 2.5 µVPP f = 100 Hz 14 Input voltage noise en nV/ √Hz density(2) f = 1 kHz 8 Input current noise in f = 1 kHz 1.8 fA/ √Hz density OFFSET VOLTAGE TA = 25°C ±0.25 ±1.5 VOS Input offset voltage mV TA = –40°C to 85°C ±1.6 dVOS/dT VOS over temperature (2) TA = –40°C to 85°C ±0.5 ±2 µV/°C Power-supply rejection PSRR TA = –40°C to 85°C ±1 ±2.5 µV/V ratio Channel separation, dc At dc 0.1 µV/V INPUT BIAS CURRENT TA = 25°C ±10 ±20 pA IB Input bias current TA = –40°C to 85°C ±1.5 nA TA = 25°C ±3 ±7 pA IOS Input offset current TA = –40°C to 85°C ±250 pA INPUT VOLTAGE RANGE Common-mode voltage VCM (V–) – 0.1 V (V+) – 2 V V range(3) VS = ±2.25 V, (V–) – 0.1 V < VCM < (V+) – 2 V, 90 104 TA = –40°C to 85°C Common-mode rejection CMRR dB ratio VS = ±18 V, (V–) – 0.1 V < VCM < (V+) – 2 V, 104 120 TA = –40°C to 85°C INPUT IMPEDANCE Differential 100 || 7 M Ω || pF Common-mode 6 || 1.5 1012 Ω || pF (1) Full-power bandwidth = SR / (2 π × VP), where SR = slew rate. (2) Specified by design and characterization. (3) Common-mode range can extend to the top rail with reduced performance. Copyright © 2015, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: OPA1688 OPA1689 |
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