BU76292AGUW Datasheet, PDF (1/5 Pages) Rohm – Silicon Monolithic integrated circuit

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◇Structure
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)
・64-step electronic volume with ALC function
・PLL built-in（Reference clock：12MHz、24MHz、27MHz、16fs、32fs、64fs）
(sampling rate：8kHz ～ 48kHz)
(Master clock output)
・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
＜Back up part＞
・LDO：1ch、Voltage detect circuit：2ch built-in
＜RTC part＞
・32bit counter built-in
・64bit back up register built-in
◇Absolute maximum ratings （Ｔａ＝２５℃）
Parameter
Supply voltage
Symbol
VDD
Limits
-0.3～4.5
Unit
Comment
Ｖ
AVDD、SPVDD、VVDD、DVDD
LVDD Supply voltage
LVDD
-0.3～2.5
V
LVDD
UNREG Supply voltage
BATT Supply voltage
Input voltage
VCC
BATT
VIN
-0.3～7.0
-0.3～4.5
-0.3～supply voltage+0.3
V
UNREG
V
BATT
Ｖ
keep each limits upon
Storage temperature range TSTG
-50～125
℃
Operating temperature range TOPE
-20～85
℃
Power dissipation ＊１
PD
800
ｍＷ
＊1：In the case of use at Ta=25℃ or more, 8mW should be reduced per 1℃.
Radiation resistance design is not arranged.
◇Operating conditions （Ｔａ＝２５℃）
Parameter
Symbol
Limits
Unit
Supply voltage
VDD
2.7～3.3
Ｖ
LVDD Supply voltage
LVDD
1.62～1.98
V
UNREG Supply voltage
VCC
2.65～5.5
V
BATT Supply voltage
BATT
2.0～3.3
V
Comment
AVDD、SPVDD、VVDD、DVDD
LVDD
UNREG
BATT
（note） AVDD、DVDD、SPVDD、are not needed to be same voltage.
（note） Please do not set SPVDD lower than AVDD-0.3V.
（note） Please do not surpass package permissible loss, when SPVDD is set.
REV. B