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LM48100Q-Q1 bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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LM48100Q-Q1 bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 28 page VOLUME CONTROL -80 dB TO +18 dB MIXER/MULITPLEXER I 2 C CONTROL BIAS FAULT DETECTION VDD PVDD +1.8V to +5.5V I 2 CVDD SDA SCL ADR IN2 IN1 BIAS GND PGND FAULT OUTA OUTB VDD +6 dB 0.1 PF 0.1 PF 0.1 PF 0.1 PF 2.2 PF 1.5 k: 1 PF VOLUME CONTROL -80 dB TO +18 dB 3.0V to 5.5V CB CB CIN1 CIN2 CBIAS CB RPU Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM48100Q-Q1 SNAS470E – OCTOBER 2008 – REVISED NOVEMBER 2015 LM48100Q-Q1 Boomer™ Mono, 1.3-W Audio Power Amplifier With Output Fault Detection and Volume Control Operating from a single 5-V supply, the LM48100Q- 1 Features Q1 delivers 1.3 W of continuous output power to an 8 1 • Output Fault Detection Ω load with < 1% THD+N. Flexible power supply • I2C Volume and Mode Control requirements allow operation from 3 V to 5.5 V. High power supply rejection ratio (PSRR), 74 dB at 1 kHz, • Input Mixer and Multiplexer allows the device to operate in noisy environments • High PSRR without additional power supply conditioning. • Individual 32-Step Volume Control The LM48100Q-Q1 features dual audio inputs that • Short Circuit and Thermal Protection can be mixed/multiplexed to the device output. Each • Advanced Click-and-Pop Suppression input path has its own independent, 32-step volume control. The mixer, volume control and device mode • Low-Power Shutdown Mode select are controlled through an I2C compatible • Available in 14-Pin HTSSOP Package interface. An open drain FAULT output indicates • Key Specifications: when a fault has occurred. Comprehensive output – Output Power at VDD = 5 V, RL = 8 Ω, short circuit and thermal overload protection prevent the device from being damaged during a fault THD+N ≤ 1% 1.3 W (Typical) condition. – Quiescent Power Supply Current at 5 V, 6 mA (Typical) A low power shutdown mode reduces supply current consumption to 0.01 µA. Superior click and pop – PSRR at 1 kHz 74 dB (Typical) suppression eliminates audible transients on power- – Shutdown current 0.01 μA (Typical) up/down and during shutdown. The LM48100Q-Q1 is available in an 14-pin HTSSOP PowerPAD™ IC 2 Applications package. • Automotive Instrument Clusters Device Information(1) • Hands-Free Car Kits PART NUMBER PACKAGE BODY SIZE (NOM) • Medical LM48100Q-Q1 HTSSOP (14) 5.00 mm × 4.40 mm (1) For all available packages, see the orderable addendum at 3 Description the end of the datasheet. The LM48100Q-Q1 is a single supply, mono, bridge- tied load amplifier with I2C volume control, ideal for automotive applications. A comprehensive output fault detection system senses the load conditions, protecting the device during short circuit events, as well as detecting open circuit conditions. Typical Audio Amplifier Application Circuit 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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