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首 页 > 新闻动态 > 公司新闻 > 供应 TI PGA2500ID 麦克风前置放大器 供应 TI PGA2500ID 麦克风前置放大器PGA2500ID Digitally Controlled Microphone PreamplifierFEATURES
Fully Differential Input-to-Output Architecture Digitally Controlled Gain Using Serial Port Interface: − Gain Range: 10dB through 65dB, 1dB per step − Unity (0dB) Gain Setting via Serial Port or Dedicated Control Pin Dynamic Performance: − Equivalent Input Noise with ZS = 150Ω and Gain = 30dB: −128dBu − Total Harmonic Distortion plus Noise (THD+N) with Gain = 30dB: 0.0004% Zero Crossing Detection Minimizes Audible Artifacts when Gain Switching Integrated DC Servo Minimizes Output Offset Voltage Common-Mode Servo Improves CMRR Four-Wire Serial Control Port Interface: − Simple Interface to Microprocessor or DSP Serial Ports − Supports Daisy-Chaining of Multiple PGA2500 Devices Dedicated Input Pin for Selecting Unity Gain Overload Output Pin Provides Clipping Indication Four General-Purpose Digital Output Pins Requires ±5V Power Supplies Available in an SSOP-28 Package  |
