홈 오디오, 햅틱, 피에조 오디오 증폭기 오토모티브 오디오 증폭기
홈
오디오, 햅틱, 피에조
오디오 증폭기
오토모티브 오디오 증폭기

LM48100Q-Q1

활성

출력 오류 감지를 지원하는 1.3W, 모노, 아날로그 입력 클래스 AB 오디오 증폭기

지금 주문하기
데이터 시트

LM48100Q-Q1

활성
데이터 시트 지금 주문하기

제품 상세 정보

Output power (W) 2.4 Power stage supply (max) (V) 5.5 Power stage supply (min) (V) 3 Speaker channels (max) Mono Features Fault Diagnostic, Low power Audio input type Analog Input Control interface I2C THD + N at 1 kHz (%) 0.04 Output noise voltage (µV) 12 Rating Automotive Operating temperature range (°C) -40 to 105
Output power (W) 2.4 Power stage supply (max) (V) 5.5 Power stage supply (min) (V) 3 Speaker channels (max) Mono Features Fault Diagnostic, Low power Audio input type Analog Input Control interface I2C THD + N at 1 kHz (%) 0.04 Output noise voltage (µV) 12 Rating Automotive Operating temperature range (°C) -40 to 105
HTSSOP (PWP) 14 32 mm² (5 mm × 6.4 mm)
  • Output Fault Detection
  • I2C Volume and Mode Control
  • Input Mixer and Multiplexer
  • High PSRR
  • Individual 32-Step Volume Control
  • Short Circuit and Thermal Protection
  • Advanced Click-and-Pop Suppression
  • Low-Power Shutdown Mode
  • Available in 14-Pin HTSSOP Package
  • Key Specifications:
    • Output Power at VDD = 5 V, RL = 8 Ω,
      THD+N ≤ 1% 1.3 W (Typical)
    • Quiescent Power Supply Current at 5 V,
      6 mA (Typical)
    • PSRR at 1 kHz 74 dB (Typical)
    • Shutdown current 0.01 µA (Typical)
  • Output Fault Detection
  • I2C Volume and Mode Control
  • Input Mixer and Multiplexer
  • High PSRR
  • Individual 32-Step Volume Control
  • Short Circuit and Thermal Protection
  • Advanced Click-and-Pop Suppression
  • Low-Power Shutdown Mode
  • Available in 14-Pin HTSSOP Package
  • Key Specifications:
    • Output Power at VDD = 5 V, RL = 8 Ω,
      THD+N ≤ 1% 1.3 W (Typical)
    • Quiescent Power Supply Current at 5 V,
      6 mA (Typical)
    • PSRR at 1 kHz 74 dB (Typical)
    • Shutdown current 0.01 µA (Typical)

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.

Operating from a single 5-V supply, the LM48100Q-Q1 delivers 1.3 W of continuous output power to an 8 Ω load with < 1% THD+N. Flexible power supply requirements allow operation from 3 V to 5.5 V. High power supply rejection ratio (PSRR), 74 dB at 1 kHz, allows the device to operate in noisy environments without additional power supply conditioning.

The LM48100Q-Q1 features dual audio inputs that can be mixed/multiplexed to the device output. Each input path has its own independent, 32-step volume control. The mixer, volume control and device mode select are controlled through an I2C compatible interface. An open drain FAULT output indicates when a fault has occurred. Comprehensive output short circuit and thermal overload protection prevent the device from being damaged during a fault condition.

A low power shutdown mode reduces supply current consumption to 0.01 µA. Superior click and pop suppression eliminates audible transients on power-up/down and during shutdown. The LM48100Q-Q1 is available in an 14-pin HTSSOP PowerPAD™ IC package.

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.

Operating from a single 5-V supply, the LM48100Q-Q1 delivers 1.3 W of continuous output power to an 8 Ω load with < 1% THD+N. Flexible power supply requirements allow operation from 3 V to 5.5 V. High power supply rejection ratio (PSRR), 74 dB at 1 kHz, allows the device to operate in noisy environments without additional power supply conditioning.

The LM48100Q-Q1 features dual audio inputs that can be mixed/multiplexed to the device output. Each input path has its own independent, 32-step volume control. The mixer, volume control and device mode select are controlled through an I2C compatible interface. An open drain FAULT output indicates when a fault has occurred. Comprehensive output short circuit and thermal overload protection prevent the device from being damaged during a fault condition.

A low power shutdown mode reduces supply current consumption to 0.01 µA. Superior click and pop suppression eliminates audible transients on power-up/down and during shutdown. The LM48100Q-Q1 is available in an 14-pin HTSSOP PowerPAD™ IC package.
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* 데이터 시트 LM48100Q-Q1 Boomer Mono, 1.3-W Audio Power Amplifier With Output Fault Detection and Volume Control datasheet (Rev. E) PDF | HTML 2015. 11. 20

설계 및 개발

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