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LTC1562AIG Datasheet(PDF) 3 Page - Linear Technology |
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LTC1562AIG Datasheet(HTML) 3 Page - Linear Technology |
3 / 28 page 3 LTC1562 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Q Error VS = ±2.375V, LP Output Has RL = 5k, CL = 30pF + 3 % Wideband Output Noise, VS = ±2.375V, BW = 200kHz, Input AC GND 24 µVRMS Lowpass Response (V2 Output) VS = ±5V, BW = 200kHz, Input AC GND 24 µVRMS Input-Referred Noise, Gain = 100 BW = 200kHz, fO = 100kHz, Q = 1, Input AC GND 4.5 µVRMS THD Total Harmonic Distortion, fIN = 20kHz, 2.8VP-P, V1 and V2 Outputs Have – 96 dB Lowpass Response (V2 Output) RL = 5k, CL = 30pF fIN = 100kHz, 2.8VP-P, V1 and V2 Outputs Have – 78 dB RL = 5k, CL = 30pF Shutdown Supply Current SHDN Pin to V+ 1.5 15 µA SHDN Pin to V+, VS = ±2.375V 1.0 µA Shutdown-Input Logic Threshold 2.5 V Shutdown-Input Bias Current SHDN Pin to 0V – 10 – 20 µA Shutdown Delay SHDN Pin Steps from 0V to V + 20 µs Shutdown Recovery Delay SHDN Pin Steps from V + to 0V 100 µs Inverting Input Bias Current, Each Biquad 5 pA ELECTRICAL CHARACTERISTICS VS = ±5V, outputs unloaded, TA = 25°C, SHDN pin to logic “low”, unless otherwise noted. AC specs are for a single 2nd order section, RIN = R2 = RQ =10k ±0.1%, fO = 100kHz, unless noted. The q denotes specifications that apply over the full operating temperature range. Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: fO change from ±5V to ±2.375 supplies is – 0.15% typical, fO temperature coefficient, – 40°C to 85°C, is 25ppm/°C typical. TYPICAL PERFOR A CE CHARACTERISTICS NOMINAL fO (kHz) 50 35 30 25 20 15 10 5 0 –5 130 1562 G03 70 90 110 150 120 60 80 100 140 TA = 70°C TA = 25°C RIN = RQ Q = 10 Q = 5 Q = 2.5 Q = 1 Q Error vs Nominal fO (VS = ±5V) NOMINAL fO (kHz) 50 0 0.50 1.00 0.75 1.50 1.25 130 1562 G01 – 0.50 –1.00 – 0.25 0.25 – 0.75 –1.25 –1.50 70 90 110 150 120 60 80 100 140 Q = 5 Q = 2.5 Q = 1 fO Error vs Nominal fO (VS = ±5V) NOMINAL fO (kHz) 50 0 0.50 1.00 0.75 1.50 1.25 130 1562 G02 – 0.50 –1.00 – 0.25 0.25 – 0.75 –1.25 –1.50 70 90 110 150 120 60 80 100 140 Q = 5 Q = 2.5 Q = 1 fO Error vs Nominal fO (VS = ±2.5V) |
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