| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 28 Pin |
| Supply Voltage (DC) | -5.25 V to 5.25 V |
| Case/Package | SSOP-28 |
| Number of Circuits | 2 Circuit |
| Number of Channels | 1 Channel |
| Number of Positions | 28 Position |
| Quiescent Current | 30.0 mA |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
| Size-Length | 10.2 mm |
| Size-Width | 5.3 mm |
| Size-Height | 1.95 mm |
| Operating Temperature | -40℃ ~ 85℃ (TA) |
The PGA2500 is a digitally controlled, analog microphone preamplifier designed for use as a front end for highperformance audio analog-to-digital (A/D) converters. The PGA2500 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 PGA2500 features a gain range of 10dB through 65dB (1dB/step), along with a unity gain setting. The wide gain range allows the PGA2500 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 PGA2500 devices. Four programmable digital outputs are provided for controlling the external switching of input pads, phantom power, high pass filters, and polarity reversal functions. The PGA2500 requires both +5V and 5V power supplies and is available in a small SSOP-28 package.
TI
Gain Range: 0dB, and 10dB to 65dB in 1dB steps
Burr Brown
Digitally Controlled Microphone Preamplifier
TI
TEXAS INSTRUMENTS PGA2500IDB Audio Power Amplifier, AB, 1Channel, ± 4.75V to ± 5.25V, SSOP, 28Pins
TI
Gain Range: 0dB, and 10dB to 65dB in 1dB steps 28-SSOP -40℃ to 85℃
TI
Gain ange: 0dB, and 10dB to 65dB in 1dB steps 28-SSOP -40℃ to 85℃
TI
Gain Range: 0dB, and 10dB to 65dB in 1dB steps 28-SSOP -40℃ to 85℃
TI
Evaluation Module, PGA2500 Digitally Controlled Analog Microphone Preamplifier, Integrated Circuit
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