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LM49150 Datasheet(PDF) 2 Page - Texas Instruments |
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LM49150 Datasheet(HTML) 2 Page - Texas Instruments |
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2 / 31 page  Volume Class D Volume INM+ Volume 1 PF 1 PF 0.22 PF 0.22 PF SDA SCL + 6 +12 dB Speaker LSOUT+ 8 + + + + - 6 dB + - GND Bias Cs6 Bypass CIN4 CIN3 CIN2 CIN1 INR INL I 2 CVDD I 2 C Interface Mixer and Output Mode Select 2.2 PF + 1 PF Cs7 VDD 80 ~ + 18 dB - 80 ~ + 18 dB - 80 ~ + 18 dB - BYPASS INM- LSOUT- 2.2 PF 0.1 PF Cs2 Cs1 LSVDD LDO HPR HPL Cs5 Charge Pump C1 CPP CPN CPGND VO (LDO) 2.2 PF 2.2 PF Headphone -18 dB - 0 dB (8 steps) + 2.2 PF 0.1 PF Cs3 Cs4 CPVss Headphone -18 dB - 0 dB (8 steps) Amp LM49150, LM49150TLEVAL SNAS439B – AUGUST 2008 – REVISED MARCH 2009 www.ti.com Table 1. Key Specifications VALUE UNIT Output power at VDD = 5V: Speaker: RL = 8Ω BTL, THD+N ≤ 1% 1.25 W (typ) Headphone: RL = 32Ω SE, THD+N ≤ 1% 42 mW (typ) Earpiece: RL = 8Ω SE, THD+N ≤ 1% 135 mW (typ) Output power at VDD = 3.3V: Speaker: RL = 8Ω BTL, THD+N ≤ 1% 520 mW (typ) Headphone: RL = 32Ω BTL, THD+N ≤ 1% 42 mW (typ) Earpiece: RL = 8Ω SE, THD+N ≤ 1% 35 mW (typ) Output Offset LS Mode 9 mV (typ) HP Mode 1 mV (typ) Earpiece 1 mV (typ) Single Supply Operation (VDD) 2.7 to 5.5 V I2C Single Supply Operation 1.7 to 5.5 V Typical Application Figure 1. Typical Audio Amplifier Application Circuit-Output Capacitor-less 2 Submit Documentation Feedback Copyright © 2008–2009, Texas Instruments Incorporated Product Folder Links: LM49150 LM49150TLEVAL |
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