bu76294guw ROHM Co. Ltd., bu76294guw Datasheet

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bu76294guw

Manufacturer Part Number
bu76294guw
Description
Audio Interface + Video Driver + Pol + Rtc Lsi
Manufacturer
ROHM Co. Ltd.
Datasheet
◇Structure
◇Product name
◇Type
◇Applications
◇Functions
◇Absolute maximum ratings (Ta=25℃)
◇Operating conditions (Ta=25℃)
Supply voltage
DVDD Supply voltage
UNREG Supply voltage
BATT Supply voltage
Input voltage
Storage temperature range
Operating temperature range
Power dissipation *1
Supply voltage
DVDD Supply voltage
UNREG Supply voltage
BATT Supply voltage
*1:In the case of use at Ta=25℃ or more, 8mW should be reduced per 1℃.
(t=1.6mm, 114.3mm x 76.2mm, , board base on SEMI, 4-layer board)
Radiation resistance design is not arranged.
Parameter
Parameter
Silicon Monolithic integrated circuit
Audio interface + Video driver + POL + RTC LSI
BU76294GUW
DSC, etc
<Audio part>
<Video part>
<Boot system>
<RTC part>
(note) Please do not set SPVDD lower than AVDD-0.3V.
(note) Please do not surpass package permissible loss, when SPVDD is set.
・Monaural・16 bit ΔΣCODEC
・Monaural microphone amplifier with ALC function
・Monaural line amplifier
・BTL output speaker amplifier (300mW@8Ω, THD+N=10%, VDD=3.0V)
・64-step electronic volume with ALC function
・PLL built-in(Reference clock:12MHz、24MHz、27MHz、16fs、32fs、64fs)
・Four-line serial interface (power on reset function)
・Audio IF format MSB First, 2’s compliment
<ADC> 16bit word lengths Left justified, I
<DAC> 16bit word lengths Left, Right justified, I
・Sync-tip-clamp, LPF, 6dB Amplifier
・Output coupling condenser unnecessary
・Step up charge pump:1ch , Voltage detect circuit:4ch built-in
・32bit counter built-in
・128bit back up register built-in
UNREG
Symbol
UNREG
Symbol
DVDD
BATT
DVDD
BATT
TSTG
TOPE
VDD
VDD
VIN
PD
(sampling rate:8kHz ~ 48kHz)
-0.3~supply voltage +0.3
1.62~1.98
REV. A
-0.3~4.5
-0.3~2.5
-0.3~6.0
-0.3~4.5
-50~125
2.7~3.6
1.7~5.5
2.0~3.3
-20~85
Limits
Limits
800
*1
2
S
2
S
Unit
Unit
mW
V
V
V
V
V
V
V
V
AVDD, IOVDD, SPVDD, VVDD
AVDD, IOVDD, SPVDD, VVDD
keep each limits upon
Comment
Comment
UNREG
UNREG
DVDD
BATT
DVDD
BATT
1/4

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bu76294guw Summary of contents

Page 1

... Silicon Monolithic integrated circuit ◇Product name Audio interface + Video driver + POL + RTC LSI ◇Type BU76294GUW ◇Applications DSC, etc ◇Functions <Audio part> ・Monaural・16 bit ΔΣCODEC ・Monaural microphone amplifier with ALC function ・Monaural line amplifier ・BTL output speaker amplifier (300mW@8Ω, THD+N=10%, VDD=3.0V) ・ ...

Page 2

Video driver (Unless specified, Ta=25℃、AVDD=SPVDD=IOVDD=VVDD= 3.0V、DVDD= 1.8V、BATT=3.0V、FBREG=4.2V B.W.=22Hz~22kHz、fs=48kHz、fin=1kHz、XIN=32.768kHz) Parameter Symbol < Current consumption > #MASTER=0 MCLK=24MHz Power-down mode IDDS Rec mode/PLL mode IDDR Play mode/PLL mode IDDP Video mode IDDV <MREG> output voltage VOREG <REC ...

Page 3

UNREG - OSC + CPOUT TEST EV3 BATT BATT XIN OSC Det XOUT DIV RTCGND DVDD IOVDD CLAMP DVSS VIN VVDD LPF VVSS VOUT (Note)Please the capacitors for AVDD ,BIAS ,LNF ,EV3 pins close to each. Please the ...

Page 4

Bottom View G RTCGND XIN XOUT F PWRSW1 BATT VVSS E PWRCTRL0 PWRSW0 TEST D EV3 RESETIN PWRCTRL1 PMG_VBAT_DA C UVLO UNREG FBREG B SPPOS SPVSS A CPOUT SPVDD SPNEG Figure 2. pin ...

Page 5

No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose ...

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