Skip to main content
Log in
Texas Instruments SRC4392IPFB — Discrete Semiconductors

SRC4392IPFB Sample Rate Converter, 4kHz-216kHz, 48-TQFP

MPNSRC4392IPFB
End of Life

Texas Instruments SRC4392IPFB, Sample Rate Converter, 2-channel, I²C, SPI interface, 4kHz ~ 216kHz, 3V ~ 3.6V supply, -40°C ~ 85°C, 48-TQFP (7x7), Tray.

$19.65Ref. price · indicative, final on quote
Texas Instruments SRC4392IPFB datasheet (PDF)
Packaging48-TQFP
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

SRC4392IPFB specifications
ParameterValue
MountingSurface Mount
Supply voltage3V ~ 3.6V
InterfaceI²C, SPI
Operating temperature-40°C ~ 85°C (TA)
PackageTray
FunctionSample Rate Converter
ApplicationsDigital Audio Interfacing
Case48-TQFP
Specifications4kHz ~ 216kHz
Channels2

Product details

What this part does in a digital audio chain

The Texas Instruments SRC4392IPFB is a two-channel sample rate converter designed for digital audio interfacing. It accepts input sample rates from 4 kHz up to 216 kHz and converts them to a different output rate.

Sample rate range — what 4 kHz to 216 kHz covers

The 4 kHz to 216 kHz span covers low-rate voice codecs up to high-definition audio plus a margin for oversampling. The two channels are independent, so left and right paths can run different rate conversions simultaneously.

Frequently asked questions

What is the difference between SRC4392IPFB and SRC4392IPFBR?

The SRC4392IPFB ships in a Tray; the SRC4392IPFBR is the Tape & Reel variant. Electrical specifications, package (48-TQFP), and temperature range are identical. Choose the Tray version for hand-assembly or low-volume builds; the Tape & Reel variant suits automated pick-and-place lines.

Can SRC4392IPFB handle 192 kHz sample rate?

Yes. The SRC4392IPFB supports input and output sample rates from 4 kHz to 216 kHz, which comfortably covers 192 kHz high-definition audio.

Is SRC4392IPFB compatible with I2S and AES3?

The SRC4392IPFB uses I²C and SPI for control interface. For audio data, it accepts standard digital audio formats including I2S and AES3 (via an external transceiver). The datasheet details the serial audio port configuration.