BU8768FV Datasheet, PDF (2/2 Pages) List of Unclassifed Manufacturers – Tone generator LSI for cellular phones

Absolute Maximum Ratings (Ta=25˚C)
Parameter
Digital block supply voltage
Analog block supply voltage
Digital pin applied voltage
Analog pin applied voltage
Power dissipation
Storage temperature range
Operating temperature range
Symbol
Limits
Unit
DVDD
—0.3 ~ +4.5
V
AVDD
—0.3 ~ +4.5
V
VDin DVSS—0.3 ~ DVDD+0.3 V
VAin AVSS—0.3 ~ AVDD+0.3 V
Pd
450 ^*
mW
Tstg
—50 ~ +125
˚C
Topr
—20 ~ +70
˚C
*Derating : 4mW/˚C for operation above Ta=25˚C , (70mmx70mm, t=1.6mm) glass epoxy mounting .
Electrical characteristics (Unless otherwise noted; Ta=25˚C, DVDD=AVDD=3.0V)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Analog block supply voltage
AVDD
2.7
3.0
3.6
V Difference with DVDD: Less than 0.3V
Current consumption 1
Idd1
—
—
1.8
µA ^{Clock stop at sleep mode}
Current consumption 2
AOUT maximum output
(1 sound source) level
Load resistance
Load capacity
Block Diagram
Idd2
Vout
Rload
Cload
—
289.0
20
—
1.2
342.5
—
—
2.5
415.4
—
100
mA
Operating: ATT123=000, f=986Hz
pseudo-sine wave
mVrms
ATT123=000, f=986Hz
pseudo-sine wave
kΩ
pF
16 15 14 13 12 11 10 9
TEST CIRCUIT
WAVE GEN1(h)
ATT
1
WAVEFORM
GENERATOR
WAVE GEN2(m)
ATT
1
WAVE GEN3(I)
ATT
3
VOLUME
DAC
SMOOTHING
FILTER
CLOCK
GENERATOR
CONTROL
REGISTER
BU8768FV
1
2
3
4
5
6
7
8