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LTC1562AIG 数据表(PDF) 13 Page - Linear Technology |
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LTC1562AIG 数据表(HTML) 13 Page - Linear Technology |
13 / 28 page 13 LTC1562 TYPICAL APPLICATIONS (Basic) Quad 3rd Order Butterworth Lowpass Filter, Gain = – 1 Quad 3rd Order Butterworth f –3dB f –3dB f –3dB f –3dB f –3dB f –3dB f –3dB Lowpass Filters 20kHz 40kHz 60kHz 80kHz 100kHz 120kHz 140kHz CIN 220pF 1000pF 1000pF 1000pF 1000pF 1000pF 1000pF RINA 44.2k 4.32k 3.16k 2.43k 1.96k 1.87k 1.69k RINB 205k 57.6k 24.3k 13.0k 8.06k 5.11k 3.4k RQ 249k 61.9k 27.4k 15.4k 10.0k 6.98k 5.11k R2 249k 61.9k 27.4k 15.4k 10.0k 6.98k 5.11k All four sections have identical RINA, RINB and CIN values. All resistor values are ±1% FREQUENCY (Hz) 10k 10 0 –10 –20 –30 –40 –50 –60 100k 1M 1562 TA05b f–3dB = 100kHz 1 2 3 5 6 8 9 10 20 19 18 16 15 13 12 11 INV B V1 B V2 B V+ SHDN V2 A V1 A INV A INV C V1 C V2 C V– AGND V2 D V1 D INV D LTC1562 RIN1B RIN1A RIN3A VIN1 VIN3 CIN1 VIN2 1562 TA05a VOUT2 VOUT3 VOUT4 VOUT1 RIN3B –5V 5V RQ1 R21 R23 0.1 µF 0.1 µF RQ3 R24 RQ4 RQ2 R22 CIN2 CIN3 RIN2B RIN2A VIN4 CIN4 RIN4B RIN4A SCHEMATIC INCLUDES PIN NUMBERS FOR 20-PIN PACKAGE. PINS 4, 7, 14, 17 (NOT SHOWN) ALSO CONNECT TO V – Amplitude Response |
类似零件编号 - LTC1562AIG |
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类似说明 - LTC1562AIG |
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