Key facts
- Brand
- Texas Instruments
- Model
- PGA2500
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2012-08-01
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TEXAS INSTRUMENTS PGA2500 handbook
The document describes the features and characteristics of the PGA2500 digitally controlled analog microphone preamplifier, including fully differential input-to-output architecture, digitally controlled gain, dynamic performance, zero crossing detection, integrated DC servo, and common-mode servo.
Read onlineTexas Instruments PGA2500 specifications
| Gain range | 10 dB to 65 dB, 1 dB step |
|---|---|
| Equivalent Input Noise (EIN) at 30 dB gain | -128 dBu |
| THD+N at 30 dB gain | 0.0004 % |
| Quiescent current (VA+) | 30‑40 mA |
| Input resistance per pin | 4.6 kΩ |
Source: Texas Instruments PGA2500 Digitally Controlled Microphone Preamplifier Datasheet
All Texas Instruments PGA2500 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the gain range and step size of the PGA2500?
The PGA2500 provides a gain range of 10 dB to 65 dB with 1 dB steps.
From: Texas Instruments PGA2500 Digitally Controlled Microphone Preamplifier Datasheet
How is gain programmed on the PGA2500?
Gain is programmed with a 16‑bit control word sent over a four‑wire serial port interface.
From: Texas Instruments PGA2500 Digitally Controlled Microphone Preamplifier Datasheet