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LA4581MB Folha de dados(PDF) 3 Page - Sanyo Semicon Device |
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LA4581MB Folha de dados(HTML) 3 Page - Sanyo Semicon Device |
3 / 8 page Sample Application Circuit Pin and external part functions (when the voltage is VCC = 3.0 V) Pin No. Pin Function 1 PRE GND 2 PRE IN1R 1.8 V v Turns ON when pin 17 is grounded. v A bias resistor (2.2 k Ω) must be connected between pin 2 and pin 24 (Vref) when no head is in use. 3 PRE IN1F 1.8 V v Turns ON when pin 17 is floating. v A bias resistor (2.2 k Ω) must be connected between pin 3 and pin 24 (Vref) when no head is in use. 4 PRE NF1 1.8 V 5 PRE OUT1 1.8 V v Like pin 6, 10 k Ω load drivable. 6 SW OUT1 1.8V v Provides PRE AMP1 output when pin 8 is floating (PRE MUTE OFF)(equivalent to pin 5). v Disconnects from PRE AMP1 and sets RIN ^ 500 kΩ when pin 8 is at VCC (PRE MUTE ON). 7 POWER IN1 1.8V v Input resistance RIN 7 30 kΩ Continued on next page. Ambient temperature, Ta − °C Preamplifier input is applied to pins 2,23/ pins 3,22 when SW ON/OFF, respectively. POWER MUTE ON when connected to GND. Note) Pre closed loop gain VG = 40 dB/1 kHz NAB PRE MUTE ON when connected to VCC Unit (resistance: Ω, capacitance: F) 1.8 to 3.6 V LA4581MB No.3535-3/8 |
Nº de peça semelhante - LA4581MB |
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Descrição semelhante - LA4581MB |
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