BU76294GUW Datasheet, PDF (1/5 Pages) Rohm – Silicon Monolithic integrated circuit

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◇Structure
◇Product name
◇Type
◇Applications
◇Functions
Silicon Monolithic integrated circuit
Audio interface + Video driver + POL + RTC LSI
BU76294GUW
DSC, etc
＜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)
・64-step electronic volume with ALC function
・PLL built-in（Reference clock：12MHz、24MHz、27MHz、16fs、32fs、64fs）
(sampling rate：8kHz ～ 48kHz)
・Four-line serial interface （power on reset function）
・Audio IF format MSB First, 2’s compliment
＜ADC＞ 16bit word lengths Left justified, I²S
＜DAC＞ 16bit word lengths Left, Right justified, I²S
＜Video part＞
・Sync-tip-clamp, LPF, 6dB Amplifier
・Output coupling condenser unnecessary
＜Boot system＞
・Step up charge pump：1ch , Voltage detect circuit：4ch built-in
＜RTC part＞
・32bit counter built-in
・128bit back up register built-in
◇Absolute maximum ratings （Ta=25℃）
Parameter
Symbol
Limits
Unit
Supply voltage
VDD
-0.3～4.5
V
DVDD Supply voltage
DVDD
-0.3～2.5
V
UNREG Supply voltage
UNREG
-0.3～6.0
V
BATT Supply voltage
BATT
-0.3～4.5
V
Input voltage
VIN
-0.3～supply voltage +0.3
V
Storage temperature range
TSTG
-50～125
℃
Operating temperature range
TOPE
-20～85
℃
Power dissipation *1
PD
800^*1
mW
＊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.
◇Operating conditions （Ta=25℃）
Parameter
Symbol
Limits
Unit
Supply voltage
VDD
2.7～3.6
Ｖ
DVDD Supply voltage
DVDD
1.62～1.98
V
UNREG Supply voltage
UNREG
1.7～5.5
V
BATT Supply voltage
BATT
2.0～3.3
V
（note） Please do not set SPVDD lower than AVDD-0.3V.
（note） Please do not surpass package permissible loss, when SPVDD is set.
Comment
AVDD, IOVDD, SPVDD, VVDD
DVDD
UNREG
BATT
keep each limits upon
Comment
AVDD, IOVDD, SPVDD, VVDD
DVDD
UNREG
BATT
REV. A