bu76294guw ROHM Co. Ltd., bu76294guw Datasheet - Page 2

• Manufacturer Part Number: bu76294guw
• Description: Audio Interface + Video Driver + Pol + Rtc Lsi
• Manufacturer: ROHM Co. Ltd.

◇Electrical characteristics
○Audio interface + Video driver
○Back up・RTC
*1 The operation of DC-DC start voltage.
< Current consumption > #MASTER=0 MCLK=24MHz
Power-down mode
Rec mode/PLL mode
Play mode/PLL mode
Video mode
<MREG>
output voltage
<REC path （MICIN→ADOUT）> #ALC1=OFF, MGAIN=48dB
Input impedance
Input level
L/R gain mismatch
Distortion
SNR
ALC１ output level
<PB path1 （DAIN→LINEOUT）> #LGAIN=+5dB
Output level
Distortion
ＳＮＲ
<PB path2 （DAIN→EVROUT→SPIN→SPOUT BTL output）> #ALC2=OFF, EVR=-6dB, RL=8Ω
Output level
Distortion
SNR
ALC２ output level
< Video path （VIN→VOUT）>
Voltage gain
Maximum output level
Frequency characteristic 1
Frequency characteristic 2
< Current consumption >
UNREG Current consumption
BATT Current consumption
<DC-DC>
Stop oscillation voltage
Operation start voltage
<Regulator>
Output voltage
<Back up SW>
Change voltage
Hysteresis width
<Reset>
ＲＥＳＥＴ voltage
UVLO voltage
Hysteresis width
<voltage monitor>
Output voltage
<Logic>
L input voltage 1
H input voltage 1
L input voltage 2
H input voltage 2
L output voltage 1
H output voltage 1
L output voltage 2
H output voltage 2
（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）
（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
Parameter
IDDS
IDDR
IDDP
IDDV
VOREG
ZIN
VIN
△GV
THD+N
SNR
DOALC
VO
THD+N
SNR
VO
THD+N
SNR
VOALC
GV
VOM
GF1
GF2
Icc
Iｒｔｃ
Vout
Vstart
VREG
VSW
VShys
VRST
VＵLVO
VRhys
VPMG
VIL1
VIH1
VIL2
VIH2
VOL1
VOH1
VOL2
VOH2
Symbol
Symbol
0.75AVDD-0.2
0.45×UVLO
0.7IOVDD
0.8IOVDD
RTCGND
RTCGND
0.7EV3
0.9EV3
DVSS
DVSS
MIN.
2.940
3.100
-1.0
-5.0
+5.0
-1.0
-53
MIN.
2.65
0.1
0.1
2.2
70
43
59
81
75
3.6
1.9
40
40
-
-
-
-
-
-
-
-
-
-
-
0.50×UVLO
0.75AVDD
TYP.
Limits
0.04
-7.3
-5.0
0.01
+6.0
3.000
3.200
100
-51
-20
Limits
TYP.
5.8
5.3
8.2
2.1
0.1
2.1
2.6
2.75
58
65
89
82
100
100
1.0
0
0
3.9
1.3
2.0
50
-
-
-
-
-
-
-
-
REV. A
0.75AVDD+0.2
0.55×UVLO
0.3IOVDD
0.2IOVDD
IOVDD
0.3EV3
IOVDD
0.1EV3
MAX.
MAX.
3.060
3.300
+1.0
-3.5
+7.0
+0.5
130
-49
2.85
EV3
EV3
0.1
0.1
4.1
1.0
4.1
16
16
18
-6
100
160
160
2.0
4.2
1.7
2.1
-
-
-
-
-
-
dBFS
dBV
Unit
Unit
dBV
dBV
dBV
Vpp
μA
μA
kΩ
mA
mA
mA
mA
mV
mV
dB
dB
dB
dB
dB
dB
dB
dB
Ｖ
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
%
%
#PWAP=0
#PWAP=MDREC=MDPLL=1,
MCLK=24MHz
MCLK=24MHz
#PWAP=PWVD=1 MDPLL=0
2.2kΩ load
DOUT=0dBFS
DOUT=0dBFS
DOUT=-6dBFS@1kHz
B.W.=JIS-A
ALC1=ON
DIN=-6dBFS
DIN=-6dBFS@1kHz
B.W.=JIS-A
DIN=0dBFS
B.W.=JIS-A
ALC2=ON, EVR=8dB
f=10KHz, THD=1%
UNREG=4.5V, EV3=no load
BATT=3.0V, Counter start
EV3 no load, VDET=FBREG
Oscillation start, VDET=FBREG*1
No load
VDET=FBREG
VDET=FBREG
Hi→Lo detect, VDET=RESETIN
Hi→Lo detect, VDET=UVLO
ACT
ACT
PWRSW0,1
PWRSW0,1
Iout=1.0mA SOUT,PWRSW_STATE,RESETOUT
Iout=-1.0mA SOUT,PWRSW_STATE
Iout=0.5mA PWRCTRL0,1
Iout=-0.5mA PWRCTRL0,1
#PWAP=MDPB=MDSP=MDPLL=1,
DIN=0dBFS@1kHz
VIN=100KHz, 1.0Vpp
f=4.5MHz/100KHz
f=18MHz/100KHz
Condition
Condition
2/4