m62437fp Renesas Electronics Corporation., m62437fp Datasheet

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m62437fp

Manufacturer Part Number
m62437fp
Description
Sound Controller With Srs Focus & Srs Surround
Manufacturer
Renesas Electronics Corporation.
Datasheet

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M62437FP
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Part Number:
M62437FP
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M62437FP
Sound Controller With SRS Focus & SRS Surround
Description
This is an IC for car audio.
F(•)cus system can realize more optimal speaker position.
Features
• Built-in F(•)cus [LF/HF elevation (position) and Bass Compensation can be changed by the external resistors.]
• Built-in SR
• SRS ON/OFF mode and FOCUS ON/OFF mode can be controlled by the DC voltage.
Recommended Operating Condition
Supply voltage range: V
Rated supply voltage: V
System Block Diagram
REJ03F0216-0201 Rev.2.01 Mar 31, 2008
Page 1 of 11
M62419FP
Tone
Tone
CC
CC
= 8 V
= 7 to 9 V
Rear R
Rear L
Rin
Lin
ON/OFF
SRS
Interface
ON/OFF
FOCUS
M62437FP
LF Ele. HF Ele.
Comp.
Bass
REJ03F0216-0201
Front R
Front L
Mar 31, 2008
Rev.2.01

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m62437fp Summary of contents

Page 1

... Supply voltage range Rated supply voltage System Block Diagram Tone Tone M62419FP REJ03F0216-0201 Rev.2.01 Mar 31, 2008 Page Ele. HF Ele. SRS FOCUS ON/OFF ON/OFF Rear L Interface Rear R Lin Rin M62437FP REJ03F0216-0201 Rev.2.01 Mar 31, 2008 Bass Comp. Front L Front R ...

Page 2

... M62437FP Block Diagram & Application Example V IN Vol 2 2.2 F 0.22 F 470 SRS OUT FOCUS IN REF SRS OUT Cref 2.2 F 0.018 F IN REJ03F0216-0201 Rev.2.01 Mar 31, 2008 Page C17 390 pF Vol.4 C13 0.0039 F R39 ...

Page 3

... M62437FP Absolute Maximum Ratings Item Symbol Supply Voltage V , Vdd CC Power Dissipation Pd Thermal Derating Kθ Operating Temperature Topr Storage Temperature Tstg REJ03F0216-0201 Rev.2.01 Mar 31, 2008 Page Ratings Unit 12 V 990 mW 9.9 mW/°C −20 to +75 °C −55 to +125 °C Thermal Derating 1200 ...

Page 4

... M62437FP Electrical Characteristics (1) Power supply characteristics Item Symbol Circuit current I CC (2) Input/Output characteristics = = (Ta 25° Item Symbol Maximum output voltage VOMt Maximum input voltage VIM1 VIM2 VIM3 Pass gain Gvt Gv1 Gv2 Gv3 Output noise voltage Vno1 Vno2 Vno3 Channel separation ...

Page 5

... M62437FP Switch Condition and the Mode (23) SRS 3D Stereo SRS ON SRS OFF (22) FOCUS FOCUS ON FOCUS OFF Note: Bypass mode can be set by both SRS ON/OFF switch and FOCUS ON/OFF switch are set to “L”. Application Circuit Example 0. 2.2 F R13 C6 2.2 F 390 ...

Page 6

... M62437FP Regarding to the other Application Circuit • R16 (R13), R17 (R14), R18 (R15) The resisters of R16 (R13), R17 (R14), R18 (R15) can be set the FOCUS position (LF Elevation). Note: This figure shows only the side channel. C10 8 0. The setting of the FOCUS position “H” ...

Page 7

... M62437FP • R20 (R23) , R21 (R24) The resisters of R20 (R23), R21 (R24) can be set the HF Elevation. Note: This figure shows only the side channel. 13 0.0039 F 1. The setting of the HF Elevation. R21 R20 + R21 Note: please keep the following formula. R20 + R21 ≈ 10 kΩ ...

Page 8

... M62437FP (Switch Setting) Bass Compensation “H” Bass Compensation “L” Between Pin16 (31) and Pin17 (30) Add resistors between Pin16(31) and Pin17(30), can adjust the difference between the sound level of Focus ON and the sound level of Focus OFF. Also add resistors between Pin16(31) and Pin17(30), can decrease the Focus gain. ...

Page 9

... M62437FP (Reference) (VOL. 1kΩ, VOL. 10kΩ, VOL.5 = 1kΩ, Add 10kΩ of resistors between Pin16(31) and Pin17(30)) Item Symbol Maximum output voltage VOMt Maximum input voltage VIM1 VIM2 VIM3 Pass gain Gvt Gv1 Gv2 Gv3 Output noise voltage Vno1 Vno2 ...

Page 10

... Renesas Technology Corp. assumes no responsibility for any damage, or infringement of any third-party’s rights, originating in the use of any product data, diagrams, charts or circuit application examples contained in these materials. REJ03F0216-0201 Rev.2.01 Mar 31, 2008 Page M62437FP Front fader SRS FOCUS Rear fader Rear M62437FP Front fader SRS Rear fader Front FOCUS Front Rear ...

Page 11

... M62437FP Package Dimensions 42P2R-A MMP EIAJ Package Code JEDEC Code SSOP42-P-450-0.80 — Detail G 1 REJ03F0216-0201 Rev.2.01 Mar 31, 2008 Page Weight(g) Lead Material 0.63 Alloy 42/Cu Alloy Plastic 42pin 450mil SSOP Recommended Mount Pad F Dimension in Millimeters ...

Page 12

Notes: 1. This document is provided for reference purposes only so that Renesas customers may select the appropriate Renesas products for their use. Renesas neither makes warranties or representations with respect to the accuracy or completeness of the information contained ...

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