| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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2,000 pcs
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2000 pcs | On Request | 1 | On Request | On Request | 21+ | On Request | On Request | |
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1,785 pcs
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1785 pcs | On Request | 1 | On Request | On Request | On Request | On Request | 2026-02-16 21:33:16 | |
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1,200 pcs
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1200 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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1,096 pcs
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1096 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The Texas Instruments PGA2505IDBR is a digitally-controlled analog microphone preamplifier designed for high-performance audio analog-to-digital converter front-ends. It features a fully differential input-to-output architecture and digitally-controlled gain via an SPI interface, with a range from 0dB up to 60dB in 3dB steps.
Dynamic performance is a key aspect, with an equivalent input noise of -123dBu (at ZS = 150 Ω and Gain = 30dB) and a Total Harmonic Distortion plus Noise (THD+N) of 0.0006% (at Gain = 30dB). The device incorporates zero-crossing detection to minimize audible artifacts during gain switching and an integrated DC servo to minimize output offset voltage. A common-mode servo improves CMRR.
The PGA2505IDBR utilizes a four-wire serial control port for simple interface to microprocessors or DSPs, supporting daisy-chaining. It includes an over-range output pin for clipping indication and four general-purpose digital output pins. The preamplifier operates with ±5V power supplies and is available in an SSOP-24 package.
Applications include microphone preamplifiers and mixers, digital mixers and recorders, digital audio editing systems, broadcast equipment, and intercoms.
| Qty | Low | High |
|---|---|---|
| 1+ | $6.26 | $6.26 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The gain range is 0dB, and 9dB to 60dB, in 3dB steps.
The equivalent input noise is -123dBu with ZS = 150 Ω and Gain = 30dB.
The THD+N is 0.0006% with Gain = 30dB.
The operating temperature range is -40°C to 85°C.
The PGA2505IDBR is available in an SSOP (DB) package with 24 pins.
The RoHS status is RoHS3 Compliant and the REACH status is REACH Unaffected.
The MSL is Level 1 Unlimited.