Low

PGA2505IDB - 

Audio Power Amplifier, AB, 1 Channel, ± 4.75V to ± 5.25V, SSOP, 24 Pins

TEXAS INSTRUMENTS PGA2505IDB

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Manufacturer Part No:
PGA2505IDB
Order Code:
1735567
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The PGA2505IDB is a digitally-controlled analog Microphone Preamplifier designed for use as a front-end for high-performance audio analog-to-digital converters (ADCs). The PGA2505 features include low noise, wide dynamic range and a differential signal path. An on-chip DC servo loop is employed to minimize DC offset, while a common-mode servo function may be used to enhance common-mode rejection. The PGA2505 features a gain range of 9dB through 60dB (3dB/step), along with unity gain setting. The wide gain range allows the PGA2505 to be used with a variety of microphones. Gain settings and internal functions are programmed using a 16-bit control word, which is loaded using a simple serial port interface. A serial data output pin provides support for daisy-chained connection of multiple PGA2505 devices. Four programmable digital outputs are provided for controlling the external switching of input pads, phantom power and high-pass filters.
  • Fully differential input-to-output architecture
  • Digitally controlled gain using serial port interface
  • 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
  • Over-range output pin provides clipping indication
  • Four general-purpose digital output pins
  • ±5V Power supplies
  • Green product and no Sb/Br

Applications

Audio, Industrial

Product Information

:
AB
:
1 Channel
:
-
:
± 4.75V to ± 5.25V
:
SSOP
:
24Pins
:
600ohm
:
-40°C
:
85°C
:
Each
:
-
:
-
:
MSL 2 - 1 year
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