BU9252S 데이터 시트보기 (PDF) - ROHM Semiconductor
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BU9252S Datasheet PDF : 6 Pages
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Multimedia ICs
•Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limits
Unit
Power supply voltage
Power
BU9252S
dissipation BU9252F
VDD
– 0.3 ~ + 7.0
V
600∗1
Pd
mW
450∗2
Storage temperature
Tstg
– 55 ~ + 125
°C
Input voltage
VIN
– 0.3 ~ VDD + 0.3
V
Output voltage
VOUT
– 0.3 ~ VDD + 0.3
V
∗1 IC only. Reduce by – 6mW / °C for each in Ta of 1°C over 25°C.
∗2 IC only. Reduce by – 4.5mW / °C for each in Ta of 1°C over 25°C.
•Recommended operating conditions
Parameter
Symbol
Limits
Unit
Power supply voltage
VDD
4.5 ~ 5.5
V
Analog power supply voltage
AVDD
VDD
V
Input "L" voltage
VIL
0.0 ~ 0.2VDD
V
Input "H" voltage
VIH
0.8VDD ~ VDD
V
Analog input voltage
VAIN
0 ~ AVDD
V
Clock frequency
fOSC
200 ~ 1000
kHz
Operating temperature
Topr
– 10 ~ + 70
°C
BU9252S / BU9252F
•Electrical characteristics (unless otherwise noted, Ta = 25°C, VDD = AVDD = 5V)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Supply current
IDD
—
3.5
12
mA VAIN = AVDD, fOSC = 455kHz
Analog output current
Analog input impedance
IAOUT
RAIN
1
4
—
mA VAOUT = 1V, VAIN = 0V
0.3
0.8
—
mA
VAOUT = 0.5VDD, VAIN = VDD
12
25
60
kΩ ∗
A / D to D / A precision
RES
—
2
—
LSB
OSCO output "L" voltage
VLOSC
—
0.6
1.2
V
IOL = 100µA
OSCO output "H" voltage
VHOSC
3.8
4.4
—
V
IOH = – 100µA
OSCI feedback loop current IOSCI
1
6
20
µA
VOSCI = VDD
Oscillation capacity
—
—
150
—
pF
∗ The bias circuit is impedance.
4
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