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LM4961 Folha de dados(PDF) 2 Page - Texas Instruments |
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LM4961 Folha de dados(HTML) 2 Page - Texas Instruments |
2 / 23 page Shutdown 1 GND 12 6 GND 7 11 4 SW VDD L1 10 PH FB 8 470 pF 13k SW-Out 1 68k Shutdown 1 Band-SW 19 Band-SW Shutdown 2 3 Shutdown 2 4.7 PF SW GND 28 4.7 PF VI 26 4.7 PF GND 24 1.0 PF Bypass 2 15 VO2 27 15 VO1 23 2 PF Ceramic 20k Cchg 17 VIN 18 0.1 PF Audio In 20k 200k 82 pF BW2 BW1 21 20 VDD VI = VFB(1 + R2/(R3 + 170))** Load CO R2 D1 CF R3 CS1 CBYPASS Ci Ri CF1 RF2 RF1 CS2 *Rc 1k LM4961, LM4961LQBD SNAS242J – AUGUST 2004 – REVISED MARCH 2007 www.ti.com Typical Application * RC is needed for over/under voltage protection. If inputs are less than VDD +0.3V and greater than –0.3V, and if inputs are disabled when in shutdown mode, then RC can be shorted. ** VFB = 1.23V Figure 2. Typical Audio Amplifier Application Circuit Shutdown 1 Shutdown 2 Band-SW Receiver Mode (BW2) — high low Ringer Mode (BW1) high high high Shutdown low low low These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. 2 Submit Documentation Feedback Copyright © 2004–2007, Texas Instruments Incorporated Product Folder Links: LM4961 LM4961LQBD |
Nº de peça semelhante - LM4961 |
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Descrição semelhante - LM4961 |
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