Datasheet LT1115 (Analog Devices) - 12
| Hersteller | Analog Devices |
| Beschreibung | Ultra-Low Noise, Low Distortion, Audio Op Amp |
| Seiten / Seite | 16 / 12 — TYPICAL APPLICATIO S. Figure 4. Moving Coil Passive RIAA Phonograph … |
| Dateiformat / Größe | PDF / 252 Kb |
| Dokumentensprache | Englisch |
TYPICAL APPLICATIO S. Figure 4. Moving Coil Passive RIAA Phonograph Pre-Amp. Deviation from RIAA Response
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LT1115
U TYPICAL APPLICATIO S
18V + 1µF + 470µF 35V 35V 100pF 2.49k RIAA NETWORK + 1µF 12.1Ω 2 35V – 7 R1 6081Ω 6 3 LT1115 + 7 4.7µF FILM 3 MOVING COIL + 6 LT1056 OUTPUT INPUT 4 2 499Ω 1 C1 R2 – µF 4 100 100k Ω 0.01µF + 35V 0.1645µF 490Ω 10k C2 1µF 0.483 499Ω + 35V µF RESISTORS 1% METAL FILM –18V CAPACITORS—BYPASS: LOW ESR OTHER: HIGH QUALITY FILM 470µF NOTE 1: 1kHz GAIN = 53dB + 35V NOTE 2: IN RIAA NETWORK VALUES SHOWN ARE MEASURED AND PRODUCE THE “DEVIATION FROM RIAA” GRAPH SHOWN. THE CALCULATED EXACT VALUES ARE: R1-6249Ω C1-0.161µF R2-504Ω C2-0.47µF LT1115 • TA10
Figure 4. Moving Coil Passive RIAA Phonograph Pre-Amp Deviation from RIAA Response THD + Noise vs Frequency Input at 1kHz = 232
µ
VRMS Input at 1kHz = 232
µ
VRMS Pre-Emphasized (Figure 4) Pre-Emphasized (Figure 4)
0.50000 0.1 VS = ±18V V 0.40000 S = ± 18V RL = 100k RL = 100k 0.30000 RS = 10Ω RS = 10Ω TA = 25°C TA = 25°C 0.20000 0.10000 0.0 0.010 – 0.1000 DEVIATION (dB) – 0.2000 – 0.3000 – 0.4000 – 0.5000 TOTAL HARMONIC DISTORTION + NOISE (%) 0.001 20 100 1k 20k 20 100 1k 20k FREQUENCY (Hz) LT1115 • TA11 FREQUENCY (Hz) LT1115 • TA12 1115fa 12
U TYPICAL APPLICATIO S
18V + 1µF + 470µF 35V 35V 100pF 2.49k RIAA NETWORK + 1µF 12.1Ω 2 35V – 7 R1 6081Ω 6 3 LT1115 + 7 4.7µF FILM 3 MOVING COIL + 6 LT1056 OUTPUT INPUT 4 2 499Ω 1 C1 R2 – µF 4 100 100k Ω 0.01µF + 35V 0.1645µF 490Ω 10k C2 1µF 0.483 499Ω + 35V µF RESISTORS 1% METAL FILM –18V CAPACITORS—BYPASS: LOW ESR OTHER: HIGH QUALITY FILM 470µF NOTE 1: 1kHz GAIN = 53dB + 35V NOTE 2: IN RIAA NETWORK VALUES SHOWN ARE MEASURED AND PRODUCE THE “DEVIATION FROM RIAA” GRAPH SHOWN. THE CALCULATED EXACT VALUES ARE: R1-6249Ω C1-0.161µF R2-504Ω C2-0.47µF LT1115 • TA10
Figure 4. Moving Coil Passive RIAA Phonograph Pre-Amp Deviation from RIAA Response THD + Noise vs Frequency Input at 1kHz = 232
µ
VRMS Input at 1kHz = 232
µ
VRMS Pre-Emphasized (Figure 4) Pre-Emphasized (Figure 4)
0.50000 0.1 VS = ±18V V 0.40000 S = ± 18V RL = 100k RL = 100k 0.30000 RS = 10Ω RS = 10Ω TA = 25°C TA = 25°C 0.20000 0.10000 0.0 0.010 – 0.1000 DEVIATION (dB) – 0.2000 – 0.3000 – 0.4000 – 0.5000 TOTAL HARMONIC DISTORTION + NOISE (%) 0.001 20 100 1k 20k 20 100 1k 20k FREQUENCY (Hz) LT1115 • TA11 FREQUENCY (Hz) LT1115 • TA12 1115fa 12