bu76292aguw ROHM Co. Ltd., bu76292aguw Datasheet

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bu76292aguw

Manufacturer Part Number
bu76292aguw
Description
Audio Interface + Video Driver + Back Up + Rtc Lsi
Manufacturer
ROHM Co. Ltd.
Datasheet
◇Structure
◇Product name
◇Type
◇Applications
◇Functions
Operating temperature range
Storage temperature range
Absolute maximum ratings (Ta=25℃)
Operating conditions (Ta=25℃)
UNREG Supply voltage
UNREG Supply voltage
Power dissipation *1
LVDD Supply voltage
LVDD Supply voltage
BATT Supply voltage
BATT Supply voltage
Supply voltage
Supply voltage
Input voltage
*1:In the case of use at Ta=25℃ or more, 8mW should be reduced per 1℃.
Parameter
Parameter
Radiation resistance design is not arranged.
Silicon Monolithic integrated circuit
Audio interface + Video driver + Back up + RTC LSI
BU76292AGUW
DSC, etc
<Audio part>
(note) Please do not set SPVDD lower than AVDD-0.3V.
(note) Please do not surpass package permissible loss, when SPVDD is set.
<Video part>
<Back up part>
<RTC part>
(note) AVDD、DVDD、SPVDD、are not needed to be same voltage.
・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
・Sync-tip-clamp, LPF, 6dB Amplifier
・Output coupling condenser unnecessary
・LDO:1ch、Voltage detect circuit:2ch built-in
・32bit counter built-in
・64bit back up register built-in
<ADC> 16bit word lengths Left justified, I
<DAC> 16bit word lengths Left, Right justified, I
Symbol
Symbol
TOPE
LVDD
TSTG
LVDD
BATT
BATT
VDD
VCC
VDD
VCC
VIN
PD
(sampling rate:8kHz ~ 48kHz)
(Master clock output)
-0.3~supply voltage+0.3
1.62~1.98
2.65~5.5
-0.3~4.5
-0.3~2.5
-50~125
-0.3~7.0
-0.3~4.5
2.7~3.3
2.0~3.3
-20~85
Limits
Limits
800
REV. B
2
S
mW
Unit
Unit
2
V
V
V
V
V
V
S
UNREG
BATT
AVDD、SPVDD、VVDD、DVDD
LVDD
UNREG
BATT
AVDD、SPVDD、VVDD、DVDD
LVDD
keep each limits upon
Comment
Comment
1/4

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bu76292aguw Summary of contents

Page 1

... Silicon Monolithic integrated circuit ◇Product name Audio interface + Video driver + Back up + RTC LSI ◇Type BU76292AGUW ◇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=DVDD=VVDD= 3.0V、LVDD= 1.8V、BATT=3.1V、UNREG=4.5V B.W.=22Hz~22kHz、fs=48kHz、fin=1kHz、OSCIN=32.768kHz) Parameter Symbol < Current consumption > # MASTER=0 Power-down mode IDDS Rec mode/PLL mode IDDR Play mode/PLL mode IDDP Video mode IDDV <MREG> Output voltage VOREG 0.75AVDD-0.2 ...

Page 3

Address Register 00H Power control 01H Power control 03H Gain control 04H Gain control 05H Clock control FMCK1 06H Clock control 07H Clock control MASTER 08H ALC control 09H ALC control ATMC1 0AH ALC control RC2MC1 0BH Time ...

Page 4

MREG A7 AVSS ALC1 B6 AVDD B5 BIAS BIAS B4 LINEOUT A4 EVROUT EVR DAC ALC2 C4 SPIN A3 BEEP IN Digital Filters B3 SPNEG Audio A2 SPVSS Interface B2 SPVDD A1 SPPOS ...

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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