BU7858KN_07 Datasheet, PDF (2/25 Pages) Rohm – Mixer & Selector With 16bit D/A Converters

●ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Rating
Unit
Power-Supply
BU7858KN
VDD
-0.3 ～ 4.5
V
Voltage
DVDDIO
-0.3 ～ 4.5
BU7893GU
AVDD
V
DVDDCO
-0.3 ～ 2.5
Power Dissipation BU7858KN
Pd
BU7893GU
580 *1
mW
700 *2
Operating
Temperature
BU7858KN
BU7893GU
T_OPR
-20 ～ +85
℃
-30 ～ +85
Storage
Temperature
BU7858KN
BU7893GU
T_STG
-55 ～ +125
℃
-50 ～ +125
*1 5.8mW is decreased every 1℃ when using it over 25℃. (mounted on the ROHM standard PCB )
*2 7.0mW is decreased every 1℃ when using it over 25℃.
●RECOMMENDED OPERATING CONDITION
【BU7858KN】
Parameter
Symbol
Min
Power-Supply Voltage
VDD
2.7
Typ
Max
Unit
3.0
3.3
V
【BU7893GU】
Parameter
Symbol
Min
Typ
Analog Power-Supply Voltage
AVDD
2.6
2.8
Digital I/O Power-Supply Voltage
DVDDIO
DVDDCO
1.8
Digital Core Power-Supply Voltage
DVDDCO
1.62
1.8
Max
Unit
3.3
V
3.3
V
1.98
V
●ELECTRICAL CHARACTERISTICS
【BU7858KN】
Unless otherwise specified、Ta=25℃、AVDD=DVDD=3.0V
・Analog
Parameter
Symbol
Min Typ
Current Consumption
Idd3
－
2.3
DAC S/(N+D)
SN+D
－
85
DAC S/N
Headphone Amplifier Total
Harmonic Distortion
Headphone Amplifier Maximum
Output
Headphone Amplifier Output
Noise Voltage
SPO Maximum Output Level
EXTO Maximum Output Level
・Digital (DC)
Parameter
Digital Input Voltage “L”
Digital Input Voltage “H”
Digital Output Voltage “L”
Digital Output Voltage “H”
Input Leakage Current 1
SNR
－
THDhp
－
PO
－
VNO
－
VOMAX1 2.0
VOMAX2 2.0
Symbol
VIL
VIH
VOL
VOH
IIN1
Min
－
0.8 x
DVDD
－
DVDD
-0.5
－
92
0.05
10
-94
－
－
Typ
－
－
－
－
－
Max Unit
Condition
3.7 mA 16Ω driver part and no signal
－
dB
fs=44.1kHz, fin=1kHz, 20kHz
LPF, Vin=-0.5dBFS
－
fs=44.1kHz, fin=1kHz
dB _{, A-weighted, Vin=0dBFS}
0.5
% fin=1kHz, 20kHz LPF, Vin=-10dBV
－ mW fin=1kHz, THD=10%, RL=16Ω
-80 dBV A-weighted
－ V_P-P fin=1kHz, THD≦1%, 10kΩLoad
－ V_P-P fin=1kHz, THD≦1%, 600ΩLoad
Max
0.2 x
DVDD
－
0.5
－
±2
Unit
Condition
V
V
V Iol=-500μA
V Ioh=500μA
μA at 0V, 3V
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