R2A15908SP – 5 Input Selector 2ch Electronic Volume

Part Number : R2A15908SP

Function : 5 Input Selector 2ch Electronic Volume

Manufactures : Renesas

Images :

1 page
R2A15908SP image

2 page
pinout

Description :

R2A15908SP 5 Input Selector 2ch Electronic Volume with Tone & Surround REJ03F0270-0100 Rev.1.00 Jan 25, 2008 Description The R2A15908SP is an optimum audio signal processor IC for TV. It has a 5ch input selector with mono switch, surround, tone control (2band), input gain control and 2ch master volume. It can control all of these functions with I2C bus. Features • Volume 0 to –87dB, –∞ / 1dB step Each channel is independent control. • 5 input selector + MUTE with mono switch • Input gain control 0dB to +20dB / 2dB step • Tone control Bass : –14dB to +14dB / 2dB step Treble : – 14dB to +14dB / 2dB step • Surround Low / High • Mode selector Bypass / Tone / Tone & Surround • I2C-bus control • Package SOP with 28 pin Application • Mini stereo, TV, etc. Recommended Operating Condition • Supply voltage …… VCC = 9.0V (typ) System Configuration + VCC=9V IN L1 IN L2 IN L3 IN L4 IN L5 Mono /Stereo VolumeL Mode Selector Input Gain Control Tone Control (Bass / Treble) Input Gain Control VolumeR LOUT Surround IN R1 IN R2 IN R3 IN R4 IN R5 ROUT MCU SCL SDA Mode Selector + REJ03F0270-0100 Rev.1.00 Jan 25, 2008 Page 1 of 13 R2A15908SP Block Diagram and Pin Configuration INR5 INR4 1 Mode Selector + + – 28 27 26 Rch Bass/ Treble ROUT LOUT TRER BASSR1 BASSR2 BASSL2 BASSL1 TREL 2 3 Input Selector Surround INR3 INR2 INR1 INL1 INL2 INL3 5 Mute Tone Control 4 25 24 23 22 21 7 8 Input Selector INL4 INL5 IGOUTL VOLINL IGOUTR VOLINR 9 10 Input Gain Control Tone Control Mono /Stereo Lch Bass/ Treble 6 20 19 MCU I/F Mute Volume DGND SDA SCL AGND REFIN 11 12 13 14 + 0 to +20dB /2dB step 0 to -87dB,-∞ 18 17 REF + – 0 to +20dB /2dB step + – 16 15 Volume 0 to -87dB, -∞ VCC (Top view) REJ03F0270-0100 Rev.1.00 Jan 25, 2008 Page 2 of 13 R2A15908SP Application Example 1μF 4.7μF INR5 1μF + + + 1μF 1 Mode Selector + + – 28 + 4.7μF 47kΩ ROUT INR4 1μF 2 3 27 + 8200pF 47kΩ LOUT INR3 26 Rch Bass/ Treble Tone Control INR2 + Input Selector Surround 4 5 Mute 25 24 23 22 21 0.068μF 8.2kΩ 0.068uF 1μF INR1 + 1μF 1μF INL2 1μF + + + 1μF 7 8 Input Selector Tone Control Mono /Stereo Lch Bass/ Treble INL1 + 6 0.068μF 8.2kΩ 0.068μF 8200pF INL3 1μF INL4 9 10 Input Gain Control 20 19 SDA MCU I/F Mute Volume INL5 + 11 2.2μF + 12 13 + 0 to +20dB /2dB step 18 SCL 17 10μF REF 0 to -87dB, -∞ 2.2μF + 14 + – 0 to +20dB /2dB step + – 16 15 + Volume 0 to -87dB, -∞ VCC=9V REJ03F0270-0100 Rev.1.00 Jan 25, 2008 Page 3 of 13 R2A15908SP Equivalent Circuit of Pin Interface Block Pin 1 2 3 4 5 6 7 8 9 10 Pin Name INR5 INR4 INR3 INR2 INR1 INL1 INL2 INL3 INL4 INL5 Equivalent Circuit 50k ref 11 13 27 28 IGOUTL IGOUTR LOUT ROUT 12 14 VOLINL VOLINR R1 R2 ref R1+R2=50kΩ 18 SCL 19 SDA Ack 50k 16 REFIN 50k 15 17 20 VCC AGND DGND REJ03F0270-0100 Rev.1.0 […]

3 page
image

R2A15908SP Datasheet


This entry was posted in Uncategorized. Bookmark the permalink.