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LM1972N Arkusz danych(PDF) 2 Page - National Semiconductor (TI) |
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LM1972N Arkusz danych(HTML) 2 Page - National Semiconductor (TI) |
2 / 11 page Absolute Maximum Ratings (Notes 2, 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (V DD–VSS) 15V Voltage at Any Pin V SS − 0.2V to VDD + 0.2V Power Dissipation (Note 3) 150 mW ESD SusceptabiIity (Note 4) 2000V Junction Temperature 150˚C Soldering Information N Package (10 sec.) +260˚C Storage Temperature −65˚C to +150˚C Operating Ratings (Note 1) (Note 2) T MIN T A T MAX Temperature Range T MIN ≤TA ≤TMAX 0˚C ≤T A ≤ +70˚C Supply Voltage (V DD −VSS) 4.5V to 12V Electrical Characteristics (Note 1) (Note 2) The following specifications apply for all channels with V DD = +6V, VSS = −6V, VIN = 5.5 Vpk, and f = 1 kHz, unless otherwise specified. Limits apply for T A = 25˚C. Digital inputs are TTL and CMOS compatible. Symbol Parameter Conditions LM1972 Units (Limits) Typical Limit (Note 5) (Note 6) I S Supply Current Inputs are AC Grounded 2 4 mA (max) THD+N Total Harmonic Distortion plus Noise V IN = 0.5 Vpk @ 0dB Attenuation 0.0008 0.003 % (max) XTalk Crosstalk (Channel Separation) 0dB Attenuation for V IN 110 100 dB (min) V CH measured @ −78dB SNR Signal-to-Noise Ratio Inputs are AC Grounded @ −12dB Attenuation 120 110 dB (min) A-Weighted A M Mute Attenuation 104 96 dB (min) Attenuation Step Size Error 0dB to −47.5dB ±0.05 dB (max) −48dB to −78dB ±0.25 dB (max) Absolute Attenuation Error Attenuation @ 0dB 0.03 0.5 dB (min) Attenuation @ −20dB 19.8 19.0 dB (min) Attenuation @ −40dB 39.5 39.0 dB (min) Attenuation @ −60dB 59.3 57.5 dB (min) Attenuation @ −78dB 76.3 74.5 dB (min) Channel-to-Channel Attenuation Attenuation @ 0dB, −20dB, −40dB, −60dB ±0.5 dB (max) Tracking Error Attenuation @ −78dB ±0.75 dB (max) I LEAK Analog Input Leakage Current Inputs are AC Grounded 10.0 100 nA (max) R IN AC Input Impedance Pins 4, 20, V IN = 1.0 Vpk, f = 1 kHz 40 20 k Ω (min) 60 k Ω (max) I IN Input Current @ Pins 9, 10, 11 @ 0V < V IN < 5V 1.0 ±100 nA (max) f CLK Clock Frequency 3 2 MHz (max) V IH High-Level Input Voltage @ Pins 9, 10, 11 2.0 V (min) V IL Low-Level Input Voltage @ Pins 9, 10, 11 0.8 V (max) Data-Out Levels (Pin 12) V DD=6V, VSS=0V 0.1 V (max) 5.9 V (min) Note 1: All voltages are measured with respect to GND pins (1, 3, 5, 6, 14, 16, 19), unless otherwise specified. Note 2: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is func- tional, but do not guarantee specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which guar- antee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit is given, however, the typical value is a good indication of device performance. Note 3: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θJA, and the ambient temperature TA. The maximum allowable power dissipation is PD = (TJMAX −TA)/θJA or the number given in the Absolute Maximum Ratings, whichever is lower. For the LM1972, TJMAX = +150˚C, and the typical junction-to-ambient thermal resistance, when board mounted, is 65˚C/W. Note 4: Human body model, 100 pF discharged through a 1.5 k Ω resistor. Note 5: Typicals are measured at 25˚C and represent the parametric norm. Note 6: Limits are guaranteed to National’s AOQL (Average Output Quality Level). www.national.com 2 |
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