首 页 > 新闻动态 > 公司新闻 > 供应 PGA2500IDB 麦克风前置放大器
供应 PGA2500IDB 麦克风前置放大器
PGA2500IDB
特性
- 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 Noise with ZS = 150
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
- APPLICATIONS
- Microphone Preamplifiers and Mixers
- Digital Mixers and Recorders
